id sid tid token lemma pos fis-1332 1 1 microsoft microsoft PROPN fis-1332 1 2 word word PROPN fis-1332 1 3 numero_30_art_64 numero_30_art_64 PROPN fis-1332 1 4 w. w. PROPN fis-1332 1 5 tao tao PROPN fis-1332 1 6 et et PROPN fis-1332 1 7 alii alii PROPN fis-1332 1 8 , , PUNCT fis-1332 1 9 frattura frattura PROPN fis-1332 1 10 ed ed PROPN fis-1332 1 11 integrità integrità PROPN fis-1332 1 12 strutturale strutturale PROPN fis-1332 1 13 , , PUNCT fis-1332 1 14 30 30 NUM fis-1332 1 15 ( ( PUNCT fis-1332 1 16 2014 2014 NUM fis-1332 1 17 ) ) PUNCT fis-1332 1 18 537 537 NUM fis-1332 1 19 - - SYM fis-1332 1 20 544 544 NUM fis-1332 1 21 ; ; PUNCT fis-1332 1 22 doi doi NOUN fis-1332 1 23 : : PUNCT fis-1332 1 24 10.3221 10.3221 NUM fis-1332 1 25 / / SYM fis-1332 1 26 igf igf NOUN fis-1332 1 27 - - ADJ fis-1332 1 28 esis.30.64 esis.30.64 PROPN fis-1332 1 29 537 537 NUM fis-1332 1 30 a a DET fis-1332 1 31 research research NOUN fis-1332 1 32 on on ADP fis-1332 1 33 detecting detect VERB fis-1332 1 34 and and CCONJ fis-1332 1 35 recognizing recognize VERB fis-1332 1 36 bridge bridge NOUN fis-1332 1 37 cracks crack NOUN fis-1332 1 38 in in ADP fis-1332 1 39 complex complex ADJ fis-1332 1 40 underwater underwater ADJ fis-1332 1 41 conditions condition NOUN fis-1332 1 42 wang wang PROPN fis-1332 1 43 tao tao PROPN fis-1332 1 44 , , PUNCT fis-1332 1 45 du du PROPN fis-1332 1 46 tao tao PROPN fis-1332 1 47 , , PUNCT fis-1332 1 48 zou zou PROPN fis-1332 1 49 xiaohong xiaohong PROPN fis-1332 1 50 , , PUNCT fis-1332 1 51 sun sun PROPN fis-1332 1 52 yiming yiming PROPN fis-1332 1 53 institute institute PROPN fis-1332 1 54 of of ADP fis-1332 1 55 highway highway PROPN fis-1332 1 56 , , PUNCT fis-1332 1 57 chang’an chang’an PROPN fis-1332 1 58 university university NOUN fis-1332 1 59 , , PUNCT fis-1332 1 60 xi'an xi'an PROPN fis-1332 1 61 , , PUNCT fis-1332 1 62 710064 710064 NUM fis-1332 1 63 , , PUNCT fis-1332 1 64 china china PROPN fis-1332 1 65 48045664@qq.com 48045664@qq.com NUM fis-1332 1 66 abstract abstract ADJ fis-1332 1 67 . . PUNCT fis-1332 2 1 the the DET fis-1332 2 2 method method NOUN fis-1332 2 3 aims aim VERB fis-1332 2 4 to to PART fis-1332 2 5 recognize recognize VERB fis-1332 2 6 and and CCONJ fis-1332 2 7 extract extract VERB fis-1332 2 8 the the DET fis-1332 2 9 characteristic characteristic ADJ fis-1332 2 10 parameters parameter NOUN fis-1332 2 11 of of ADP fis-1332 2 12 bridge bridge NOUN fis-1332 2 13 cracks crack NOUN fis-1332 2 14 based base VERB fis-1332 2 15 on on ADP fis-1332 2 16 images image NOUN fis-1332 2 17 of of ADP fis-1332 2 18 the the DET fis-1332 2 19 cracks crack NOUN fis-1332 2 20 obtained obtain VERB fis-1332 2 21 through through ADP fis-1332 2 22 the the DET fis-1332 2 23 application application NOUN fis-1332 2 24 of of ADP fis-1332 2 25 preprocessing preprocessing NOUN fis-1332 2 26 technologies technology NOUN fis-1332 2 27 , , PUNCT fis-1332 2 28 such such ADJ fis-1332 2 29 as as ADP fis-1332 2 30 graying gray VERB fis-1332 2 31 , , PUNCT fis-1332 2 32 graphical graphical ADJ fis-1332 2 33 enhancements enhancement NOUN fis-1332 2 34 , , PUNCT fis-1332 2 35 spatial spatial ADJ fis-1332 2 36 filtering filtering NOUN fis-1332 2 37 , , PUNCT fis-1332 2 38 gray gray ADJ fis-1332 2 39 - - PUNCT fis-1332 2 40 level level NOUN fis-1332 2 41 threshold threshold NOUN fis-1332 2 42 segmentation segmentation NOUN fis-1332 2 43 , , PUNCT fis-1332 2 44 etc etc X fis-1332 2 45 .. .. X fis-1332 2 46 the the DET fis-1332 2 47 approach approach NOUN fis-1332 2 48 has have AUX fis-1332 2 49 been be AUX fis-1332 2 50 tested test VERB fis-1332 2 51 for for ADP fis-1332 2 52 accuracy accuracy NOUN fis-1332 2 53 to to PART fis-1332 2 54 avoid avoid VERB fis-1332 2 55 the the DET fis-1332 2 56 incorrect incorrect ADJ fis-1332 2 57 identification identification NOUN fis-1332 2 58 of of ADP fis-1332 2 59 chaff chaff NOUN fis-1332 2 60 as as ADP fis-1332 2 61 a a DET fis-1332 2 62 method method NOUN fis-1332 2 63 error error NOUN fis-1332 2 64 . . PUNCT fis-1332 3 1 the the DET fis-1332 3 2 proposed propose VERB fis-1332 3 3 method method NOUN fis-1332 3 4 has have AUX fis-1332 3 5 proved prove VERB fis-1332 3 6 to to PART fis-1332 3 7 be be AUX fis-1332 3 8 rather rather ADV fis-1332 3 9 accurate accurate ADJ fis-1332 3 10 and and CCONJ fis-1332 3 11 effective effective ADJ fis-1332 3 12 in in ADP fis-1332 3 13 extracting extract VERB fis-1332 3 14 information information NOUN fis-1332 3 15 on on ADP fis-1332 3 16 cracks crack NOUN fis-1332 3 17 from from ADP fis-1332 3 18 the the DET fis-1332 3 19 bridge bridge NOUN fis-1332 3 20 image image NOUN fis-1332 3 21 tests test NOUN fis-1332 3 22 . . PUNCT fis-1332 4 1 keywords keyword NOUN fis-1332 4 2 . . PUNCT fis-1332 5 1 crack crack VERB fis-1332 5 2 detection detection NOUN fis-1332 5 3 ; ; PUNCT fis-1332 5 4 digital digital ADJ fis-1332 5 5 processing processing NOUN fis-1332 5 6 ; ; PUNCT fis-1332 5 7 image image NOUN fis-1332 5 8 analysis analysis NOUN fis-1332 5 9 ; ; PUNCT fis-1332 5 10 fracture fracture NOUN fis-1332 5 11 fragments fragment NOUN fis-1332 5 12 ; ; PUNCT fis-1332 5 13 electronic electronic ADJ fis-1332 5 14 information information NOUN fis-1332 5 15 . . PUNCT fis-1332 6 1 introduction introduction NOUN fis-1332 6 2 he he PRON fis-1332 6 3 first first ADV fis-1332 6 4 cracks crack NOUN fis-1332 6 5 start start VERB fis-1332 6 6 appearing appear VERB fis-1332 6 7 at at ADP fis-1332 6 8 the the DET fis-1332 6 9 bottom bottom NOUN fis-1332 6 10 of of ADP fis-1332 6 11 the the DET fis-1332 6 12 bridge bridge NOUN fis-1332 6 13 structure structure NOUN fis-1332 6 14 . . PUNCT fis-1332 7 1 if if SCONJ fis-1332 7 2 detected detect VERB fis-1332 7 3 in in ADP fis-1332 7 4 time time NOUN fis-1332 7 5 , , PUNCT fis-1332 7 6 engineers engineer NOUN fis-1332 7 7 can can AUX fis-1332 7 8 then then ADV fis-1332 7 9 follow follow VERB fis-1332 7 10 the the DET fis-1332 7 11 development development NOUN fis-1332 7 12 of of ADP fis-1332 7 13 the the DET fis-1332 7 14 cracks crack NOUN fis-1332 7 15 . . PUNCT fis-1332 8 1 meanwhile meanwhile ADV fis-1332 8 2 , , PUNCT fis-1332 8 3 it it PRON fis-1332 8 4 should should AUX fis-1332 8 5 the the DET fis-1332 8 6 bridge bridge NOUN fis-1332 8 7 should should AUX fis-1332 8 8 be be AUX fis-1332 8 9 maintained maintain VERB fis-1332 8 10 and and CCONJ fis-1332 8 11 repaired repair VERB fis-1332 8 12 without without ADP fis-1332 8 13 delay delay NOUN fis-1332 8 14 . . PUNCT fis-1332 9 1 detecting detect VERB fis-1332 9 2 and and CCONJ fis-1332 9 3 recognizing recognize VERB fis-1332 9 4 cracks crack NOUN fis-1332 9 5 in in ADP fis-1332 9 6 time time NOUN fis-1332 9 7 can can AUX fis-1332 9 8 reduce reduce VERB fis-1332 9 9 maintenance maintenance NOUN fis-1332 9 10 costs cost NOUN fis-1332 9 11 greatly greatly ADV fis-1332 9 12 and and CCONJ fis-1332 9 13 effectively effectively ADV fis-1332 9 14 guarantee guarantee VERB fis-1332 9 15 the the DET fis-1332 9 16 security security NOUN fis-1332 9 17 of of ADP fis-1332 9 18 public public ADJ fis-1332 9 19 transportation transportation NOUN fis-1332 10 1 [ [ X fis-1332 10 2 1 1 NUM fis-1332 10 3 ] ] PUNCT fis-1332 10 4 . . PUNCT fis-1332 11 1 the the DET fis-1332 11 2 difficulties difficulty NOUN fis-1332 11 3 in in ADP fis-1332 11 4 detecting detect VERB fis-1332 11 5 cracks crack NOUN fis-1332 11 6 at at ADP fis-1332 11 7 the the DET fis-1332 11 8 bottom bottom NOUN fis-1332 11 9 of of ADP fis-1332 11 10 bridges bridge NOUN fis-1332 11 11 are be AUX fis-1332 11 12 as as SCONJ fis-1332 11 13 follows follow VERB fis-1332 11 14 [ [ X fis-1332 11 15 2 2 NUM fis-1332 11 16 ] ] PUNCT fis-1332 11 17 : : PUNCT fis-1332 11 18 the the DET fis-1332 11 19 underwater underwater ADJ fis-1332 11 20 pressure pressure NOUN fis-1332 11 21 is be AUX fis-1332 11 22 immense immense ADJ fis-1332 11 23 and and CCONJ fis-1332 11 24 the the DET fis-1332 11 25 light light NOUN fis-1332 11 26 is be AUX fis-1332 11 27 dim dim ADJ fis-1332 11 28 . . PUNCT fis-1332 12 1 furthermore furthermore ADV fis-1332 12 2 , , PUNCT fis-1332 12 3 conditions condition NOUN fis-1332 12 4 in in ADP fis-1332 12 5 the the DET fis-1332 12 6 underwater underwater ADJ fis-1332 12 7 environment environment NOUN fis-1332 12 8 can can AUX fis-1332 12 9 be be AUX fis-1332 12 10 very very ADV fis-1332 12 11 bad bad ADJ fis-1332 12 12 . . PUNCT fis-1332 13 1 the the DET fis-1332 13 2 peculiarity peculiarity NOUN fis-1332 13 3 of of ADP fis-1332 13 4 the the DET fis-1332 13 5 underwater underwater ADJ fis-1332 13 6 environment environment NOUN fis-1332 13 7 and and CCONJ fis-1332 13 8 the the DET fis-1332 13 9 characteristics characteristic NOUN fis-1332 13 10 of of ADP fis-1332 13 11 the the DET fis-1332 13 12 water water NOUN fis-1332 13 13 can can AUX fis-1332 13 14 impede impede VERB fis-1332 13 15 and and CCONJ fis-1332 13 16 obstruct obstruct VERB fis-1332 13 17 communications communication NOUN fis-1332 13 18 . . PUNCT fis-1332 14 1 these these DET fis-1332 14 2 difficulties difficulty NOUN fis-1332 14 3 combined combine VERB fis-1332 14 4 lead lead NOUN fis-1332 14 5 to to ADP fis-1332 14 6 typical typical ADJ fis-1332 14 7 problems problem NOUN fis-1332 14 8 in in ADP fis-1332 14 9 underwater underwater ADJ fis-1332 14 10 viewing viewing NOUN fis-1332 14 11 . . PUNCT fis-1332 15 1 the the DET fis-1332 15 2 complex complex ADJ fis-1332 15 3 imaging imaging NOUN fis-1332 15 4 environment environment NOUN fis-1332 15 5 makes make VERB fis-1332 15 6 underwater underwater ADJ fis-1332 15 7 images image NOUN fis-1332 15 8 more more ADV fis-1332 15 9 sensitive sensitive ADJ fis-1332 15 10 to to ADP fis-1332 15 11 noise noise NOUN fis-1332 15 12 and and CCONJ fis-1332 15 13 interference interference NOUN fis-1332 15 14 . . PUNCT fis-1332 16 1 that that PRON fis-1332 16 2 inevitably inevitably ADV fis-1332 16 3 leads lead VERB fis-1332 16 4 to to ADP fis-1332 16 5 the the DET fis-1332 16 6 generally generally ADV fis-1332 16 7 bad bad ADJ fis-1332 16 8 quality quality NOUN fis-1332 16 9 and and CCONJ fis-1332 16 10 information information NOUN fis-1332 16 11 redundancy redundancy NOUN fis-1332 16 12 of of ADP fis-1332 16 13 underwater underwater ADJ fis-1332 16 14 images image NOUN fis-1332 16 15 . . PUNCT fis-1332 17 1 digital digital ADJ fis-1332 17 2 image image NOUN fis-1332 17 3 processing processing NOUN fis-1332 17 4 technology technology NOUN fis-1332 17 5 has have AUX fis-1332 17 6 been be AUX fis-1332 17 7 widely widely ADV fis-1332 17 8 used use VERB fis-1332 17 9 in in ADP fis-1332 17 10 the the DET fis-1332 17 11 detection detection NOUN fis-1332 17 12 of of ADP fis-1332 17 13 underwater underwater ADJ fis-1332 17 14 bridge bridge NOUN fis-1332 17 15 cracks crack NOUN fis-1332 17 16 in in ADP fis-1332 17 17 complicated complicated ADJ fis-1332 17 18 conditions condition NOUN fis-1332 17 19 . . PUNCT fis-1332 18 1 this this PRON fis-1332 18 2 primarily primarily ADV fis-1332 18 3 includes include VERB fis-1332 18 4 the the DET fis-1332 18 5 preprocessing preprocessing NOUN fis-1332 18 6 and and CCONJ fis-1332 18 7 partition partition NOUN fis-1332 18 8 of of ADP fis-1332 18 9 images image NOUN fis-1332 18 10 , , PUNCT fis-1332 18 11 the the DET fis-1332 18 12 extraction extraction NOUN fis-1332 18 13 of of ADP fis-1332 18 14 of of ADP fis-1332 18 15 the the DET fis-1332 18 16 image image NOUN fis-1332 18 17 features feature NOUN fis-1332 18 18 , , PUNCT fis-1332 18 19 image image NOUN fis-1332 18 20 classification classification NOUN fis-1332 18 21 and and CCONJ fis-1332 18 22 other other ADJ fis-1332 18 23 links link NOUN fis-1332 18 24 [ [ X fis-1332 18 25 3 3 NUM fis-1332 18 26 ] ] PUNCT fis-1332 18 27 . . PUNCT fis-1332 19 1 in in ADP fis-1332 19 2 china china PROPN fis-1332 19 3 , , PUNCT fis-1332 19 4 bo bo PROPN fis-1332 19 5 shaobo shaobo NOUN fis-1332 19 6 [ [ X fis-1332 19 7 4 4 X fis-1332 19 8 ] ] PUNCT fis-1332 19 9 has have AUX fis-1332 19 10 proposed propose VERB fis-1332 19 11 that that SCONJ fis-1332 19 12 the the DET fis-1332 19 13 morphological morphological ADJ fis-1332 19 14 corrosion corrosion NOUN fis-1332 19 15 operator operator NOUN fis-1332 19 16 should should AUX fis-1332 19 17 refine refine VERB fis-1332 19 18 the the DET fis-1332 19 19 crack crack NOUN fis-1332 19 20 to to PART fis-1332 19 21 obtain obtain VERB fis-1332 19 22 a a DET fis-1332 19 23 single single ADJ fis-1332 19 24 - - PUNCT fis-1332 19 25 pixel pixel NOUN fis-1332 19 26 width width ADJ fis-1332 19 27 skeleton skeleton NOUN fis-1332 19 28 image image NOUN fis-1332 19 29 . . PUNCT fis-1332 20 1 meanwhile meanwhile ADV fis-1332 20 2 , , PUNCT fis-1332 20 3 the the DET fis-1332 20 4 length length NOUN fis-1332 20 5 and and CCONJ fis-1332 20 6 width width NOUN fis-1332 20 7 of of ADP fis-1332 20 8 the the DET fis-1332 20 9 cracks crack NOUN fis-1332 20 10 may may AUX fis-1332 20 11 be be AUX fis-1332 20 12 measured measure VERB fis-1332 20 13 by by ADP fis-1332 20 14 applying apply VERB fis-1332 20 15 the the DET fis-1332 20 16 statistical statistical ADJ fis-1332 20 17 pixel pixel NOUN fis-1332 20 18 method method NOUN fis-1332 20 19 in in ADP fis-1332 20 20 dealing deal VERB fis-1332 20 21 with with ADP fis-1332 20 22 rule rule NOUN fis-1332 20 23 cracks crack NOUN fis-1332 20 24 in in ADP fis-1332 20 25 images image NOUN fis-1332 20 26 . . PUNCT fis-1332 21 1 the the DET fis-1332 21 2 encroachment encroachment NOUN fis-1332 21 3 method method NOUN fis-1332 21 4 should should AUX fis-1332 21 5 be be AUX fis-1332 21 6 used use VERB fis-1332 21 7 to to PART fis-1332 21 8 measure measure VERB fis-1332 21 9 the the DET fis-1332 21 10 area area NOUN fis-1332 21 11 of of ADP fis-1332 21 12 the the DET fis-1332 21 13 crack crack NOUN fis-1332 21 14 when when SCONJ fis-1332 21 15 dealing deal VERB fis-1332 21 16 with with ADP fis-1332 21 17 irregular irregular ADJ fis-1332 21 18 cracks crack NOUN fis-1332 21 19 . . PUNCT fis-1332 22 1 liu liu PROPN fis-1332 22 2 xiaorui xiaorui PROPN fis-1332 23 1 [ [ X fis-1332 23 2 5 5 NUM fis-1332 23 3 ] ] PUNCT fis-1332 23 4 has have AUX fis-1332 23 5 presented present VERB fis-1332 23 6 a a DET fis-1332 23 7 fusion fusion NOUN fis-1332 23 8 method method NOUN fis-1332 23 9 combined combine VERB fis-1332 23 10 with with ADP fis-1332 23 11 several several ADJ fis-1332 23 12 processing processing NOUN fis-1332 23 13 tectonic tectonic ADJ fis-1332 23 14 treatment treatment NOUN fis-1332 23 15 methods method NOUN fis-1332 23 16 - - PUNCT fis-1332 23 17 sfc sfc NOUN fis-1332 24 1 . . PUNCT fis-1332 24 2 fu fu PROPN fis-1332 24 3 jun jun PROPN fis-1332 25 1 [ [ X fis-1332 25 2 6 6 NUM fis-1332 25 3 ] ] PUNCT fis-1332 25 4 has have AUX fis-1332 25 5 applied apply VERB fis-1332 25 6 a a DET fis-1332 25 7 new new ADJ fis-1332 25 8 method method NOUN fis-1332 25 9 of of ADP fis-1332 25 10 image image NOUN fis-1332 25 11 segmentation segmentation NOUN fis-1332 25 12 based base VERB fis-1332 25 13 on on ADP fis-1332 25 14 a a DET fis-1332 25 15 neural neural ADJ fis-1332 25 16 network network NOUN fis-1332 25 17 . . PUNCT fis-1332 26 1 abroad abroad ADV fis-1332 26 2 , , PUNCT fis-1332 26 3 iota iota VERB fis-1332 26 4 et et NOUN fis-1332 26 5 al al PROPN fis-1332 27 1 [ [ X fis-1332 27 2 7 7 NUM fis-1332 27 3 ] ] PUNCT fis-1332 27 4 have have AUX fis-1332 27 5 applied apply VERB fis-1332 27 6 image image NOUN fis-1332 27 7 binarization binarization NOUN fis-1332 27 8 , , PUNCT fis-1332 27 9 wavelet wavelet NOUN fis-1332 27 10 transform transform NOUN fis-1332 27 11 , , PUNCT fis-1332 27 12 gray gray ADJ fis-1332 27 13 correction correction NOUN fis-1332 27 14 and and CCONJ fis-1332 27 15 other other ADJ fis-1332 27 16 image image NOUN fis-1332 27 17 processing processing NOUN fis-1332 27 18 methods method NOUN fis-1332 27 19 to to PART fis-1332 27 20 analyze analyze VERB fis-1332 27 21 the the DET fis-1332 27 22 crack crack NOUN fis-1332 27 23 images image NOUN fis-1332 27 24 and and CCONJ fis-1332 27 25 extract extract VERB fis-1332 27 26 information information NOUN fis-1332 27 27 . . PUNCT fis-1332 28 1 kawamurak kawamurak PROPN fis-1332 28 2 et et PROPN fis-1332 28 3 al al PROPN fis-1332 28 4 . . PUNCT fis-1332 29 1 [ [ X fis-1332 29 2 8 8 NUM fis-1332 29 3 ] ] PUNCT fis-1332 29 4 have have AUX fis-1332 29 5 found find VERB fis-1332 29 6 that that SCONJ fis-1332 29 7 the the DET fis-1332 29 8 parameter parameter NOUN fis-1332 29 9 genetic genetic ADJ fis-1332 29 10 algorithm algorithm NOUN fis-1332 29 11 of of ADP fis-1332 29 12 image image NOUN fis-1332 29 13 processing processing NOUN fis-1332 29 14 can can AUX fis-1332 29 15 be be AUX fis-1332 29 16 semi semi ADJ fis-1332 29 17 - - ADJ fis-1332 29 18 automatically automatically ADV fis-1332 29 19 optimized optimize VERB fis-1332 29 20 for for ADP fis-1332 29 21 the the DET fis-1332 29 22 effective effective ADJ fis-1332 29 23 accurate accurate ADJ fis-1332 29 24 detection detection NOUN fis-1332 29 25 of of ADP fis-1332 29 26 cracks crack NOUN fis-1332 29 27 . . PUNCT fis-1332 30 1 abdel abdel NOUN fis-1332 30 2 - - PUNCT fis-1332 30 3 qader qader NOUN fis-1332 30 4 [ [ X fis-1332 30 5 10 10 NUM fis-1332 30 6 ] ] X fis-1332 30 7 etc etc X fis-1332 30 8 . . X fis-1332 30 9 also also ADV fis-1332 30 10 assessed assess VERB fis-1332 30 11 surface surface NOUN fis-1332 30 12 crack crack NOUN fis-1332 30 13 detection detection NOUN fis-1332 30 14 efficiency efficiency NOUN fis-1332 30 15 at at ADP fis-1332 30 16 the the DET fis-1332 30 17 same same ADJ fis-1332 30 18 time time NOUN fis-1332 30 19 . . PUNCT fis-1332 31 1 they they PRON fis-1332 31 2 compared compare VERB fis-1332 31 3 the the DET fis-1332 31 4 results result NOUN fis-1332 31 5 of of ADP fis-1332 31 6 the the DET fis-1332 31 7 fourier fourier NOUN fis-1332 31 8 transformation transformation NOUN fis-1332 31 9 , , PUNCT fis-1332 31 10 sobel sobel NOUN fis-1332 31 11 filtering filtering NOUN fis-1332 31 12 , , PUNCT fis-1332 31 13 canny canny ADJ fis-1332 31 14 filtering filtering NOUN fis-1332 31 15 and and CCONJ fis-1332 31 16 wavelet wavelet NOUN fis-1332 31 17 transform transform NOUN fis-1332 31 18 method method NOUN fis-1332 31 19 , , PUNCT fis-1332 31 20 finding find VERB fis-1332 31 21 that that SCONJ fis-1332 31 22 the the DET fis-1332 31 23 wavelet wavelet NOUN fis-1332 31 24 transform transform NOUN fis-1332 31 25 was be AUX fis-1332 31 26 more more ADV fis-1332 31 27 reliable reliable ADJ fis-1332 31 28 . . PUNCT fis-1332 32 1 however however ADV fis-1332 32 2 , , PUNCT fis-1332 32 3 the the DET fis-1332 32 4 research research NOUN fis-1332 32 5 on on ADP fis-1332 32 6 underwater underwater ADJ fis-1332 32 7 bridge bridge NOUN fis-1332 32 8 crack crack NOUN fis-1332 32 9 image image NOUN fis-1332 32 10 segmentation segmentation NOUN fis-1332 32 11 algorithms algorithm NOUN fis-1332 32 12 still still ADV fis-1332 32 13 failed fail VERB fis-1332 32 14 to to PART fis-1332 32 15 meet meet VERB fis-1332 32 16 the the DET fis-1332 32 17 development development NOUN fis-1332 32 18 needs need NOUN fis-1332 32 19 of of ADP fis-1332 32 20 bridge bridge NOUN fis-1332 32 21 image image NOUN fis-1332 32 22 detection detection NOUN fis-1332 32 23 technology technology NOUN fis-1332 32 24 . . PUNCT fis-1332 33 1 and and CCONJ fis-1332 33 2 image image PROPN fis-1332 33 3 t t PROPN fis-1332 33 4 w. w. PROPN fis-1332 33 5 tao tao PROPN fis-1332 33 6 et et PROPN fis-1332 33 7 alii alii PROPN fis-1332 33 8 , , PUNCT fis-1332 33 9 frattura frattura PROPN fis-1332 33 10 ed ed PROPN fis-1332 33 11 integrità integrità PROPN fis-1332 33 12 strutturale strutturale PROPN fis-1332 33 13 , , PUNCT fis-1332 33 14 30 30 NUM fis-1332 33 15 ( ( PUNCT fis-1332 33 16 2014 2014 NUM fis-1332 33 17 ) ) PUNCT fis-1332 33 18 537 537 NUM fis-1332 33 19 - - SYM fis-1332 33 20 544 544 NUM fis-1332 33 21 ; ; PUNCT fis-1332 33 22 doi doi NOUN fis-1332 33 23 : : PUNCT fis-1332 33 24 10.3221 10.3221 NUM fis-1332 33 25 / / SYM fis-1332 33 26 igf igf NOUN fis-1332 33 27 - - PUNCT fis-1332 33 28 esis.30.64 esis.30.64 PROPN fis-1332 33 29 538 538 NUM fis-1332 33 30 segmentation segmentation NOUN fis-1332 33 31 plays play VERB fis-1332 33 32 a a DET fis-1332 33 33 key key ADJ fis-1332 33 34 role role NOUN fis-1332 33 35 in in ADP fis-1332 33 36 the the DET fis-1332 33 37 process process NOUN fis-1332 33 38 and and CCONJ fis-1332 33 39 , , PUNCT fis-1332 33 40 to to ADP fis-1332 33 41 some some DET fis-1332 33 42 extent extent NOUN fis-1332 33 43 , , PUNCT fis-1332 33 44 in in ADP fis-1332 33 45 the the DET fis-1332 33 46 analysis analysis NOUN fis-1332 33 47 of of ADP fis-1332 33 48 the the DET fis-1332 33 49 images image NOUN fis-1332 33 50 . . PUNCT fis-1332 34 1 the the DET fis-1332 34 2 quality quality NOUN fis-1332 34 3 of of ADP fis-1332 34 4 the the DET fis-1332 34 5 segmentation segmentation NOUN fis-1332 34 6 can can AUX fis-1332 34 7 directly directly ADV fis-1332 34 8 affect affect VERB fis-1332 34 9 the the DET fis-1332 34 10 further further ADJ fis-1332 34 11 understanding understanding NOUN fis-1332 34 12 of of ADP fis-1332 34 13 the the DET fis-1332 34 14 image image NOUN fis-1332 34 15 . . PUNCT fis-1332 35 1 thus thus ADV fis-1332 35 2 , , PUNCT fis-1332 35 3 we we PRON fis-1332 35 4 need need VERB fis-1332 35 5 to to PART fis-1332 35 6 perform perform VERB fis-1332 35 7 an an DET fis-1332 35 8 in in ADP fis-1332 35 9 depth depth NOUN fis-1332 35 10 research research NOUN fis-1332 35 11 into into ADP fis-1332 35 12 the the DET fis-1332 35 13 image image NOUN fis-1332 35 14 processing processing NOUN fis-1332 35 15 technology technology NOUN fis-1332 35 16 of of ADP fis-1332 35 17 underwater underwater ADJ fis-1332 35 18 bridge bridge NOUN fis-1332 35 19 cracks crack NOUN fis-1332 35 20 . . PUNCT fis-1332 36 1 extracting extract VERB fis-1332 36 2 information information NOUN fis-1332 36 3 on on ADP fis-1332 36 4 underwater underwater ADJ fis-1332 36 5 bridge bridge NOUN fis-1332 36 6 cracks crack NOUN fis-1332 36 7 histogram histogram NOUN fis-1332 36 8 image image NOUN fis-1332 36 9 enhancement enhancement NOUN fis-1332 36 10 mage mage NOUN fis-1332 36 11 enhancement enhancement NOUN fis-1332 36 12 is be AUX fis-1332 36 13 needed need VERB fis-1332 36 14 after after ADP fis-1332 36 15 collecting collect VERB fis-1332 36 16 and and CCONJ fis-1332 36 17 graying gray VERB fis-1332 36 18 the the DET fis-1332 36 19 crack crack NOUN fis-1332 36 20 image image NOUN fis-1332 36 21 . . PUNCT fis-1332 37 1 histograms histogram NOUN fis-1332 37 2 are be AUX fis-1332 37 3 statistical statistical ADJ fis-1332 37 4 tables table NOUN fis-1332 37 5 about about ADP fis-1332 37 6 the the DET fis-1332 37 7 gray gray ADJ fis-1332 37 8 levels level NOUN fis-1332 37 9 of of ADP fis-1332 37 10 image image NOUN fis-1332 37 11 distribution distribution NOUN fis-1332 37 12 . . PUNCT fis-1332 38 1 gray gray ADJ fis-1332 38 2 histogram histogram NOUN fis-1332 38 3 images image NOUN fis-1332 38 4 indicate indicate VERB fis-1332 38 5 that that SCONJ fis-1332 38 6 the the DET fis-1332 38 7 relative relative ADJ fis-1332 38 8 frequency frequency NOUN fis-1332 38 9 is be AUX fis-1332 38 10 about about ADP fis-1332 38 11 various various ADJ fis-1332 38 12 gray gray ADJ fis-1332 38 13 levels level NOUN fis-1332 38 14 of of ADP fis-1332 38 15 pixels pixel NOUN fis-1332 38 16 . . PUNCT fis-1332 39 1 generally generally ADV fis-1332 39 2 , , PUNCT fis-1332 39 3 the the DET fis-1332 39 4 grayscale grayscale NOUN fis-1332 39 5 is be AUX fis-1332 39 6 the the DET fis-1332 39 7 abscissa abscissa NOUN fis-1332 39 8 of of ADP fis-1332 39 9 the the DET fis-1332 39 10 histogram histogram NOUN fis-1332 39 11 . . PUNCT fis-1332 40 1 the the DET fis-1332 40 2 ordinate ordinate NOUN fis-1332 40 3 is be AUX fis-1332 40 4 the the DET fis-1332 40 5 occurrence occurrence NOUN fis-1332 40 6 number number NOUN fis-1332 40 7 of of ADP fis-1332 40 8 the the DET fis-1332 40 9 grayscale grayscale NOUN fis-1332 40 10 probability probability NOUN fis-1332 40 11 [ [ X fis-1332 40 12 11 11 NUM fis-1332 40 13 ] ] PUNCT fis-1332 40 14 . . PUNCT fis-1332 41 1 in in ADP fis-1332 41 2 the the DET fis-1332 41 3 crack crack NOUN fis-1332 41 4 images image NOUN fis-1332 41 5 , , PUNCT fis-1332 41 6 cracks crack NOUN fis-1332 41 7 are be AUX fis-1332 41 8 the the DET fis-1332 41 9 darker dark ADJ fis-1332 41 10 areas area NOUN fis-1332 41 11 , , PUNCT fis-1332 41 12 while while SCONJ fis-1332 41 13 the the DET fis-1332 41 14 background background NOUN fis-1332 41 15 is be AUX fis-1332 41 16 relatively relatively ADV fis-1332 41 17 light light ADJ fis-1332 41 18 in in ADP fis-1332 41 19 the the DET fis-1332 41 20 process process NOUN fis-1332 41 21 of of ADP fis-1332 41 22 gathering gathering NOUN fis-1332 41 23 images image NOUN fis-1332 41 24 . . PUNCT fis-1332 42 1 but but CCONJ fis-1332 42 2 the the DET fis-1332 42 3 whole whole ADJ fis-1332 42 4 image image NOUN fis-1332 42 5 is be AUX fis-1332 42 6 too too ADV fis-1332 42 7 dark dark ADJ fis-1332 42 8 due due ADP fis-1332 42 9 to to ADP fis-1332 42 10 lack lack NOUN fis-1332 42 11 of of ADP fis-1332 42 12 exposure exposure NOUN fis-1332 42 13 . . PUNCT fis-1332 43 1 the the DET fis-1332 43 2 area area NOUN fis-1332 43 3 mixes mix VERB fis-1332 43 4 with with ADP fis-1332 43 5 the the DET fis-1332 43 6 background background NOUN fis-1332 43 7 and and CCONJ fis-1332 43 8 is be AUX fis-1332 43 9 hard hard ADJ fis-1332 43 10 to to PART fis-1332 43 11 distinguish distinguish VERB fis-1332 43 12 , , PUNCT fis-1332 43 13 as as SCONJ fis-1332 43 14 shown show VERB fis-1332 43 15 in in ADP fis-1332 43 16 fig fig NOUN fis-1332 43 17 . . PUNCT fis-1332 44 1 1 1 NUM fis-1332 44 2 ( ( PUNCT fis-1332 44 3 a a NOUN fis-1332 44 4 ) ) PUNCT fis-1332 44 5 . . PUNCT fis-1332 45 1 in in ADP fis-1332 45 2 fig fig NOUN fis-1332 45 3 . . PUNCT fis-1332 46 1 2 2 NUM fis-1332 46 2 ( ( PUNCT fis-1332 46 3 a a X fis-1332 46 4 ) ) PUNCT fis-1332 46 5 we we PRON fis-1332 46 6 can can AUX fis-1332 46 7 see see VERB fis-1332 46 8 the the DET fis-1332 46 9 original original ADJ fis-1332 46 10 image image NOUN fis-1332 46 11 ’s ’s PART fis-1332 46 12 grayscale grayscale NOUN fis-1332 46 13 values value NOUN fis-1332 46 14 are be AUX fis-1332 46 15 concentrated concentrate VERB fis-1332 46 16 on on ADP fis-1332 46 17 the the DET fis-1332 46 18 gray gray ADJ fis-1332 46 19 area area NOUN fis-1332 46 20 between between ADP fis-1332 46 21 0 0 NUM fis-1332 46 22 - - SYM fis-1332 46 23 100 100 NUM fis-1332 46 24 . . PUNCT fis-1332 47 1 we we PRON fis-1332 47 2 have have VERB fis-1332 47 3 to to PART fis-1332 47 4 extend extend VERB fis-1332 47 5 the the DET fis-1332 47 6 image image NOUN fis-1332 47 7 grayscale grayscale NOUN fis-1332 47 8 values value NOUN fis-1332 47 9 to to PART fis-1332 47 10 distinguish distinguish VERB fis-1332 47 11 the the DET fis-1332 47 12 crack crack NOUN fis-1332 47 13 from from ADP fis-1332 47 14 the the DET fis-1332 47 15 background background NOUN fis-1332 47 16 . . PUNCT fis-1332 48 1 the the DET fis-1332 48 2 low low ADJ fis-1332 48 3 gray gray NOUN fis-1332 48 4 with with ADP fis-1332 48 5 high high ADJ fis-1332 48 6 grayscale grayscale NOUN fis-1332 48 7 has have AUX fis-1332 48 8 created create VERB fis-1332 48 9 significant significant ADJ fis-1332 48 10 differences difference NOUN fis-1332 48 11 in in ADP fis-1332 48 12 the the DET fis-1332 48 13 grayscale grayscale NOUN fis-1332 48 14 . . PUNCT fis-1332 49 1 meanwhile meanwhile ADV fis-1332 49 2 , , PUNCT fis-1332 49 3 it it PRON fis-1332 49 4 would would AUX fis-1332 49 5 increase increase VERB fis-1332 49 6 the the DET fis-1332 49 7 contrast contrast NOUN fis-1332 49 8 ratio ratio NOUN fis-1332 49 9 of of ADP fis-1332 49 10 the the DET fis-1332 49 11 image image NOUN fis-1332 49 12 . . PUNCT fis-1332 50 1 as as SCONJ fis-1332 50 2 shown show VERB fis-1332 50 3 in in ADP fis-1332 50 4 fig fig NOUN fis-1332 50 5 . . PUNCT fis-1332 51 1 2 2 NUM fis-1332 51 2 ( ( PUNCT fis-1332 51 3 b b NOUN fis-1332 51 4 ) ) PUNCT fis-1332 51 5 , , PUNCT fis-1332 51 6 the the DET fis-1332 51 7 gray gray ADJ fis-1332 51 8 scope scope NOUN fis-1332 51 9 of of ADP fis-1332 51 10 the the DET fis-1332 51 11 image image NOUN fis-1332 51 12 has have AUX fis-1332 51 13 extended extend VERB fis-1332 51 14 to to ADP fis-1332 51 15 the the DET fis-1332 51 16 entire entire ADJ fis-1332 51 17 gray gray ADJ fis-1332 51 18 level level NOUN fis-1332 51 19 ( ( PUNCT fis-1332 51 20 0 0 NUM fis-1332 51 21 - - NUM fis-1332 51 22 255 255 NUM fis-1332 51 23 ) ) PUNCT fis-1332 51 24 . . PUNCT fis-1332 52 1 we we PRON fis-1332 52 2 can can AUX fis-1332 52 3 obtain obtain VERB fis-1332 52 4 crack crack NOUN fis-1332 52 5 images image NOUN fis-1332 52 6 with with ADP fis-1332 52 7 a a DET fis-1332 52 8 high high ADJ fis-1332 52 9 contrast contrast NOUN fis-1332 52 10 after after ADP fis-1332 52 11 performing perform VERB fis-1332 52 12 equalization equalization NOUN fis-1332 52 13 processing processing NOUN fis-1332 52 14 on on ADP fis-1332 52 15 the the DET fis-1332 52 16 original original ADJ fis-1332 52 17 image image NOUN fis-1332 52 18 , , PUNCT fis-1332 52 19 as as SCONJ fis-1332 52 20 shown show VERB fis-1332 52 21 in in ADP fis-1332 52 22 fig fig NOUN fis-1332 52 23 . . PUNCT fis-1332 53 1 1 1 NUM fis-1332 53 2 ( ( PUNCT fis-1332 53 3 b b NOUN fis-1332 53 4 ) ) PUNCT fis-1332 53 5 . . PUNCT fis-1332 54 1 ( ( PUNCT fis-1332 54 2 a a X fis-1332 54 3 ) ) PUNCT fis-1332 54 4 ( ( PUNCT fis-1332 54 5 b b X fis-1332 54 6 ) ) PUNCT fis-1332 54 7 figure figure NOUN fis-1332 54 8 1 1 NUM fis-1332 54 9 : : PUNCT fis-1332 54 10 ( ( PUNCT fis-1332 54 11 a a X fis-1332 54 12 ) ) PUNCT fis-1332 54 13 original original ADJ fis-1332 54 14 image image NOUN fis-1332 54 15 ; ; PUNCT fis-1332 54 16 ( ( PUNCT fis-1332 54 17 b b X fis-1332 54 18 ) ) PUNCT fis-1332 54 19 after after ADP fis-1332 54 20 enhancement enhancement NOUN fis-1332 54 21 . . PUNCT fis-1332 55 1 ( ( PUNCT fis-1332 55 2 a a X fis-1332 55 3 ) ) PUNCT fis-1332 55 4 ( ( PUNCT fis-1332 55 5 b b X fis-1332 55 6 ) ) PUNCT fis-1332 55 7 figure figure NOUN fis-1332 55 8 2 2 NUM fis-1332 55 9 : : PUNCT fis-1332 55 10 ( ( PUNCT fis-1332 55 11 a a X fis-1332 55 12 ) ) PUNCT fis-1332 55 13 original original ADJ fis-1332 55 14 image image NOUN fis-1332 55 15 ’s ’s PART fis-1332 55 16 gray gray ADJ fis-1332 55 17 histogram histogram NOUN fis-1332 55 18 ; ; PUNCT fis-1332 55 19 ( ( PUNCT fis-1332 55 20 b b X fis-1332 55 21 ) ) PUNCT fis-1332 55 22 gray gray ADJ fis-1332 55 23 histogram histogram NOUN fis-1332 55 24 after after ADP fis-1332 55 25 enhancement enhancement NOUN fis-1332 55 26 . . PUNCT fis-1332 56 1 spatial spatial ADJ fis-1332 56 2 filtering filter VERB fis-1332 56 3 the the DET fis-1332 56 4 common common ADJ fis-1332 56 5 method method NOUN fis-1332 56 6 of of ADP fis-1332 56 7 spatial spatial ADJ fis-1332 56 8 filtering filtering NOUN fis-1332 56 9 adopts adopt VERB fis-1332 56 10 the the DET fis-1332 56 11 neighborhood neighborhood NOUN fis-1332 56 12 average average ADJ fis-1332 56 13 and and CCONJ fis-1332 56 14 median median ADJ fis-1332 56 15 filtering filtering NOUN fis-1332 56 16 law law NOUN fis-1332 56 17 . . PUNCT fis-1332 57 1 this this DET fis-1332 57 2 paper paper NOUN fis-1332 57 3 applies apply VERB fis-1332 57 4 the the DET fis-1332 57 5 neighborhood neighborhood NOUN fis-1332 57 6 average average ADJ fis-1332 57 7 method method NOUN fis-1332 57 8 to to ADP fis-1332 57 9 an an DET fis-1332 57 10 ideal ideal ADJ fis-1332 57 11 situation situation NOUN fis-1332 57 12 . . PUNCT fis-1332 58 1 in in ADP fis-1332 58 2 the the DET fis-1332 58 3 ideal ideal ADJ fis-1332 58 4 situation situation NOUN fis-1332 58 5 , , PUNCT fis-1332 58 6 many many ADJ fis-1332 58 7 gray gray ADJ fis-1332 58 8 and and CCONJ fis-1332 58 9 constant constant ADJ fis-1332 58 10 small small ADJ fis-1332 58 11 patches patch NOUN fis-1332 58 12 constitute constitute VERB fis-1332 58 13 i i PRON fis-1332 58 14 w. w. PROPN fis-1332 58 15 tao tao PROPN fis-1332 58 16 et et PROPN fis-1332 58 17 alii alii PROPN fis-1332 58 18 , , PUNCT fis-1332 58 19 frattura frattura PROPN fis-1332 58 20 ed ed PROPN fis-1332 58 21 integrità integrità PROPN fis-1332 58 22 strutturale strutturale PROPN fis-1332 58 23 , , PUNCT fis-1332 58 24 30 30 NUM fis-1332 58 25 ( ( PUNCT fis-1332 58 26 2014 2014 NUM fis-1332 58 27 ) ) PUNCT fis-1332 58 28 537 537 NUM fis-1332 58 29 - - SYM fis-1332 58 30 544 544 NUM fis-1332 58 31 ; ; PUNCT fis-1332 58 32 doi doi NOUN fis-1332 58 33 : : PUNCT fis-1332 58 34 10.3221 10.3221 NUM fis-1332 58 35 / / SYM fis-1332 58 36 igf igf NOUN fis-1332 58 37 - - ADJ fis-1332 58 38 esis.30.64 esis.30.64 PROPN fis-1332 58 39 539 539 NUM fis-1332 58 40 an an DET fis-1332 58 41 image image NOUN fis-1332 58 42 . . PUNCT fis-1332 59 1 the the DET fis-1332 59 2 spatial spatial ADJ fis-1332 59 3 correlation correlation NOUN fis-1332 59 4 between between ADP fis-1332 59 5 the the DET fis-1332 59 6 neighbor neighbor NOUN fis-1332 59 7 pixels pixel NOUN fis-1332 59 8 of of ADP fis-1332 59 9 the the DET fis-1332 59 10 image image NOUN fis-1332 59 11 is be AUX fis-1332 59 12 high high ADJ fis-1332 59 13 . . PUNCT fis-1332 60 1 but but CCONJ fis-1332 60 2 the the DET fis-1332 60 3 noise noise NOUN fis-1332 60 4 is be AUX fis-1332 60 5 relatively relatively ADV fis-1332 60 6 independent independent ADJ fis-1332 60 7 . . PUNCT fis-1332 61 1 non non ADJ fis-1332 61 2 - - ADJ fis-1332 61 3 weighted weighted ADJ fis-1332 61 4 average average NOUN fis-1332 61 5 is be AUX fis-1332 61 6 the the DET fis-1332 61 7 simplest simple ADJ fis-1332 61 8 and and CCONJ fis-1332 61 9 most most ADV fis-1332 61 10 commonly commonly ADV fis-1332 61 11 applied apply VERB fis-1332 61 12 neighborhood neighborhood NOUN fis-1332 61 13 average average ADJ fis-1332 61 14 method method NOUN fis-1332 61 15 . . PUNCT fis-1332 62 1 ( ( PUNCT fis-1332 62 2 1 1 X fis-1332 62 3 ) ) PUNCT fis-1332 62 4 set set VERB fis-1332 62 5 one one NUM fis-1332 62 6 image image NOUN fis-1332 62 7   NOUN fis-1332 62 8 ,f ,f NOUN fis-1332 62 9 x x X fis-1332 62 10 y y NOUN fis-1332 62 11 . . PUNCT fis-1332 63 1 then then ADV fis-1332 63 2 express express VERB fis-1332 63 3 the the DET fis-1332 63 4 gray gray ADJ fis-1332 63 5 value value NOUN fis-1332 63 6 of of ADP fis-1332 63 7 a a DET fis-1332 63 8 pixel pixel NOUN fis-1332 63 9 in in ADP fis-1332 63 10 the the DET fis-1332 63 11 image image NOUN fis-1332 63 12 as as ADP fis-1332 63 13   NOUN fis-1332 63 14 ,g ,g X fis-1332 63 15 x x PART fis-1332 63 16 y y PROPN fis-1332 63 17 , , PUNCT fis-1332 63 18 which which PRON fis-1332 63 19 is be AUX fis-1332 63 20 the the DET fis-1332 63 21 square square ADJ fis-1332 63 22 windows window NOUN fis-1332 63 23 of of ADP fis-1332 63 24 field field NOUN fis-1332 63 25 s s PART fis-1332 63 26 n n PRON fis-1332 63 27 n n NOUN fis-1332 63 28   NOUN fis-1332 63 29 . . PUNCT fis-1332 64 1 the the DET fis-1332 64 2 total total ADJ fis-1332 64 3 number number NOUN fis-1332 64 4 of of ADP fis-1332 64 5 points point NOUN fis-1332 64 6 is be AUX fis-1332 64 7 set set VERB fis-1332 64 8 to to PART fis-1332 64 9 be be AUX fis-1332 64 10 m m PRON fis-1332 64 11 . . PUNCT fis-1332 65 1 thus thus ADV fis-1332 65 2 the the DET fis-1332 65 3 gray gray ADJ fis-1332 65 4 value value NOUN fis-1332 65 5 of of ADP fis-1332 65 6 this this DET fis-1332 65 7 point point NOUN fis-1332 65 8 after after SCONJ fis-1332 65 9 smoothness smoothness NOUN fis-1332 65 10 is be AUX fis-1332 65 11 : : PUNCT fis-1332 65 12 , , PUNCT fis-1332 65 13 1 1 NUM fis-1332 65 14 ( ( PUNCT fis-1332 65 15 , , PUNCT fis-1332 65 16 ) ) PUNCT fis-1332 65 17 ( ( PUNCT fis-1332 65 18 , , PUNCT fis-1332 65 19 ) ) PUNCT fis-1332 66 1 i i PRON fis-1332 66 2 j j PROPN fis-1332 66 3 s s PART fis-1332 66 4 g g PROPN fis-1332 66 5 x x PUNCT fis-1332 66 6 y y NOUN fis-1332 66 7 f f PROPN fis-1332 67 1 i i PRON fis-1332 67 2 j j PROPN fis-1332 67 3 m m VERB fis-1332 67 4   NOUN fis-1332 67 5   INTJ fis-1332 67 6   NUM fis-1332 67 7 we we PRON fis-1332 67 8 can can AUX fis-1332 67 9 use use VERB fis-1332 67 10 formation formation NOUN fis-1332 67 11 templates template NOUN fis-1332 67 12 to to PART fis-1332 67 13 describe describe VERB fis-1332 67 14 the the DET fis-1332 67 15 non non ADJ fis-1332 67 16 - - ADJ fis-1332 67 17 weighted weighted ADJ fis-1332 67 18 average average ADJ fis-1332 67 19 neighborhood neighborhood NOUN fis-1332 67 20 law law NOUN fis-1332 67 21 . . PUNCT fis-1332 68 1 that that PRON fis-1332 68 2 is is ADV fis-1332 68 3 , , PUNCT fis-1332 68 4 we we PRON fis-1332 68 5 need need VERB fis-1332 68 6 to to PART fis-1332 68 7 move move VERB fis-1332 68 8 the the DET fis-1332 68 9 filtering filtering NOUN fis-1332 68 10 template template NOUN fis-1332 68 11 point point NOUN fis-1332 68 12 - - PUNCT fis-1332 68 13 by by ADP fis-1332 68 14 - - PUNCT fis-1332 68 15 point point NOUN fis-1332 68 16 and and CCONJ fis-1332 68 17 get get VERB fis-1332 68 18 the the DET fis-1332 68 19 sum sum NOUN fis-1332 68 20 of of ADP fis-1332 68 21 products product NOUN fis-1332 68 22 . . PUNCT fis-1332 69 1 when when SCONJ fis-1332 69 2 applying apply VERB fis-1332 69 3 neighbor neighbor NOUN fis-1332 69 4 pixels pixel NOUN fis-1332 69 5 defined define VERB fis-1332 69 6 in in ADP fis-1332 69 7 the the DET fis-1332 69 8 image image NOUN fis-1332 69 9 template template NOUN fis-1332 69 10 on on ADP fis-1332 69 11 template template NOUN fis-1332 69 12 operation operation NOUN fis-1332 69 13 , , PUNCT fis-1332 69 14 the the DET fis-1332 69 15 coefficient coefficient NOUN fis-1332 69 16   VERB fis-1332 69 17 0,0 0,0 PROPN fis-1332 69 18 of of ADP fis-1332 69 19 template template NOUN fis-1332 69 20 corresponds correspond VERB fis-1332 69 21 with with ADP fis-1332 69 22 the the DET fis-1332 69 23   PROPN fis-1332 69 24 ,x ,x PUNCT fis-1332 70 1 y y NOUN fis-1332 70 2 in in ADP fis-1332 70 3 the the DET fis-1332 70 4 image image NOUN fis-1332 70 5 . . PUNCT fis-1332 71 1 set set VERB fis-1332 71 2 the the DET fis-1332 71 3 template template NOUN fis-1332 71 4 size size NOUN fis-1332 71 5 to to PART fis-1332 71 6 be be AUX fis-1332 71 7 33 33 NUM fis-1332 71 8 . . PUNCT fis-1332 72 1 the the DET fis-1332 72 2 application application NOUN fis-1332 72 3 of of ADP fis-1332 72 4 this this DET fis-1332 72 5 template template NOUN fis-1332 72 6 can can AUX fis-1332 72 7 produce produce VERB fis-1332 72 8 a a DET fis-1332 72 9 result result NOUN fis-1332 72 10 as as SCONJ fis-1332 72 11 follows follow VERB fis-1332 72 12 : : PUNCT fis-1332 72 13 1 1 NUM fis-1332 72 14 1 1 NUM fis-1332 72 15 1 1 NUM fis-1332 72 16 1 1 NUM fis-1332 72 17 ( ( PUNCT fis-1332 72 18 , , PUNCT fis-1332 72 19 ) ) PUNCT fis-1332 72 20 ( ( PUNCT fis-1332 72 21 , , PUNCT fis-1332 72 22 ) ) PUNCT fis-1332 72 23 m m VERB fis-1332 72 24 n n ADP fis-1332 72 25 r r NOUN fis-1332 72 26 m m NOUN fis-1332 72 27 n n ADV fis-1332 72 28 f f NOUN fis-1332 72 29 x x SYM fis-1332 72 30 m m VERB fis-1332 72 31 y y PROPN fis-1332 72 32 n n PROPN fis-1332 72 33   PROPN fis-1332 72 34   PROPN fis-1332 72 35   PROPN fis-1332 72 36   ADJ fis-1332 72 37   X fis-1332 72 38   X fis-1332 72 39 ( ( PUNCT fis-1332 72 40 2 2 X fis-1332 72 41 ) ) PUNCT fis-1332 72 42 set set VERB fis-1332 72 43 the the DET fis-1332 72 44 gray gray ADJ fis-1332 72 45 value value NOUN fis-1332 72 46 of of ADP fis-1332 72 47 point point NOUN fis-1332 72 48   NOUN fis-1332 72 49 ,x ,x PUNCT fis-1332 72 50 y y NOUN fis-1332 72 51 in in ADP fis-1332 72 52 the the DET fis-1332 72 53 neighborhood neighborhood NOUN fis-1332 72 54 of of ADP fis-1332 72 55 n n NOUN fis-1332 72 56 n n NOUN fis-1332 72 57 . . PUNCT fis-1332 73 1 the the DET fis-1332 73 2 gradient gradient ADJ fis-1332 73 3 inverse inverse NOUN fis-1332 73 4   PROPN fis-1332 73 5 ,w ,w NOUN fis-1332 73 6 i i PRON fis-1332 73 7 j j PROPN fis-1332 73 8 is be AUX fis-1332 73 9 defined define VERB fis-1332 73 10 as as ADP fis-1332 73 11 : : PUNCT fis-1332 73 12   NOUN fis-1332 73 13   PROPN fis-1332 73 14   NOUN fis-1332 74 1   SYM fis-1332 74 2   NOUN fis-1332 74 3   PROPN fis-1332 74 4 1 1 NUM fis-1332 74 5 , , PUNCT fis-1332 74 6 1 1 NUM fis-1332 74 7 , , PUNCT fis-1332 74 8 1 1 NUM fis-1332 74 9 , , PUNCT fis-1332 74 10 w w VERB fis-1332 74 11 i i PRON fis-1332 74 12 j j PROPN fis-1332 75 1 f f NOUN fis-1332 75 2 x x VERB fis-1332 75 3 y y NOUN fis-1332 75 4 f f NOUN fis-1332 75 5 x x PROPN fis-1332 75 6 y y PROPN fis-1332 75 7   PROPN fis-1332 75 8   ADV fis-1332 75 9   PUNCT fis-1332 75 10   NOUN fis-1332 75 11 gray gray ADJ fis-1332 75 12 - - PUNCT fis-1332 75 13 level level NOUN fis-1332 75 14 threshold threshold NOUN fis-1332 75 15 segmentation segmentation NOUN fis-1332 75 16 the the DET fis-1332 75 17 threshold threshold NOUN fis-1332 75 18 segmentation segmentation NOUN fis-1332 75 19 produces produce VERB fis-1332 75 20 a a DET fis-1332 75 21 binary binary ADJ fis-1332 75 22 image image NOUN fis-1332 75 23 . . PUNCT fis-1332 76 1 the the DET fis-1332 76 2 position position NOUN fis-1332 76 3 of of ADP fis-1332 76 4 the the DET fis-1332 76 5 pixels pixel NOUN fis-1332 76 6 is be AUX fis-1332 76 7 represented represent VERB fis-1332 76 8 in in ADP fis-1332 76 9 the the DET fis-1332 76 10 image image NOUN fis-1332 76 11 through through ADP fis-1332 76 12 a a DET fis-1332 76 13 grayscale grayscale NOUN fis-1332 76 14 image image NOUN fis-1332 76 15   NOUN fis-1332 76 16 ,f ,f NOUN fis-1332 76 17 x x X fis-1332 76 18 y y PROPN fis-1332 76 19 and and CCONJ fis-1332 76 20 the the DET fis-1332 76 21 coordinates coordinate NOUN fis-1332 76 22   PROPN fis-1332 76 23 yx yx ADJ fis-1332 76 24 , , PUNCT fis-1332 76 25 . . PUNCT fis-1332 77 1 t t PROPN fis-1332 77 2 is be AUX fis-1332 77 3 the the DET fis-1332 77 4 threshold threshold NOUN fis-1332 77 5 and and CCONJ fis-1332 77 6 the the DET fis-1332 77 7 binary binary ADJ fis-1332 77 8 images image NOUN fis-1332 77 9 are be AUX fis-1332 77 10 represented represent VERB fis-1332 77 11 through through ADP fis-1332 77 12 using use VERB fis-1332 77 13   NOUN fis-1332 77 14 ,b ,b X fis-1332 78 1 x x PUNCT fis-1332 78 2 y y NOUN fis-1332 78 3 after after ADP fis-1332 78 4 the the DET fis-1332 78 5 threshold threshold NOUN fis-1332 78 6 . . PUNCT fis-1332 79 1 the the DET fis-1332 79 2 expression expression NOUN fis-1332 79 3 is be AUX fis-1332 79 4 as as SCONJ fis-1332 79 5 follows follow VERB fis-1332 79 6 : : PUNCT fis-1332 79 7   NOUN fis-1332 80 1   SYM fis-1332 80 2   NOUN fis-1332 80 3   SYM fis-1332 80 4   NOUN fis-1332 80 5   PROPN fis-1332 80 6 1 1 NUM fis-1332 80 7 , , PUNCT fis-1332 80 8 , , PUNCT fis-1332 80 9 , , PUNCT fis-1332 80 10 0 0 NUM fis-1332 80 11 , , PUNCT fis-1332 80 12 , , PUNCT fis-1332 80 13 f f PROPN fis-1332 80 14 x x VERB fis-1332 80 15 y y PROPN fis-1332 80 16 t t PROPN fis-1332 80 17 b b PROPN fis-1332 80 18 x x SYM fis-1332 80 19 y y NOUN fis-1332 80 20 f f PROPN fis-1332 80 21 x x SYM fis-1332 80 22 y y PROPN fis-1332 80 23 t t X fis-1332 80 24   ADV fis-1332 80 25   PROPN fis-1332 80 26   NUM fis-1332 80 27   PRON fis-1332 80 28 ( ( PUNCT fis-1332 80 29 3 3 X fis-1332 80 30 ) ) PUNCT fis-1332 80 31 we we PRON fis-1332 80 32 can can AUX fis-1332 80 33 know know VERB fis-1332 80 34 from from ADP fis-1332 80 35 the the DET fis-1332 80 36 above above ADV fis-1332 80 37 that that SCONJ fis-1332 80 38 the the DET fis-1332 80 39 appropriate appropriate ADJ fis-1332 80 40 threshold threshold NOUN fis-1332 80 41 is be AUX fis-1332 80 42 concerned concern VERB fis-1332 80 43 with with ADP fis-1332 80 44 gray gray ADJ fis-1332 80 45 closed closed ADJ fis-1332 80 46 segmentation segmentation NOUN fis-1332 80 47 . . PUNCT fis-1332 81 1 this this DET fis-1332 81 2 article article NOUN fis-1332 81 3 uses use VERB fis-1332 81 4 the the DET fis-1332 81 5 iterative iterative NOUN fis-1332 81 6 method method NOUN fis-1332 81 7 to to ADP fis-1332 81 8 auto auto NOUN fis-1332 81 9 - - PUNCT fis-1332 81 10 select select NOUN fis-1332 81 11 thresholds threshold NOUN fis-1332 81 12 according accord VERB fis-1332 81 13 to to ADP fis-1332 81 14 the the DET fis-1332 81 15 following follow VERB fis-1332 81 16 steps step NOUN fis-1332 81 17 : : PUNCT fis-1332 81 18 1 1 X fis-1332 81 19 ) ) PUNCT fis-1332 81 20 calculate calculate VERB fis-1332 81 21 the the DET fis-1332 81 22 maximum maximum ADJ fis-1332 81 23 maxt maxt NOUN fis-1332 81 24 and and CCONJ fis-1332 81 25 minimum minimum ADJ fis-1332 81 26 mint mint NOUN fis-1332 81 27 gray gray ADJ fis-1332 81 28 value value NOUN fis-1332 81 29 of of ADP fis-1332 81 30 the the DET fis-1332 81 31 entire entire ADJ fis-1332 81 32 image image NOUN fis-1332 81 33 . . PUNCT fis-1332 82 1 both both DET fis-1332 82 2 average average ADJ fis-1332 82 3 values value NOUN fis-1332 82 4 are be AUX fis-1332 82 5 just just ADV fis-1332 82 6 about about ADP fis-1332 82 7 the the DET fis-1332 82 8 initial initial ADJ fis-1332 82 9 threshold threshold NOUN fis-1332 82 10 0 0 NUM fis-1332 82 11 t t NOUN fis-1332 82 12 . . PUNCT fis-1332 83 1   NOUN fis-1332 84 1   PUNCT fis-1332 84 2 2minmax0 2minmax0 NUM fis-1332 84 3 ttt ttt X fis-1332 84 4   ADV fis-1332 84 5 ; ; PUNCT fis-1332 84 6 2 2 X fis-1332 84 7 ) ) PUNCT fis-1332 84 8 segment segment NOUN fis-1332 84 9 the the DET fis-1332 84 10 image image NOUN fis-1332 84 11 based base VERB fis-1332 84 12 on on ADP fis-1332 84 13 ht ht PROPN fis-1332 84 14 and and CCONJ fis-1332 84 15 respectively respectively ADV fis-1332 84 16 solve solve VERB fis-1332 84 17 the the DET fis-1332 84 18 average average ADJ fis-1332 84 19 gray gray ADJ fis-1332 84 20 level level NOUN fis-1332 84 21 of of ADP fis-1332 84 22 foreground foreground NOUN fis-1332 84 23 1 1 NUM fis-1332 84 24 g g NOUN fis-1332 84 25 and and CCONJ fis-1332 84 26 background background NOUN fis-1332 84 27 2 2 NUM fis-1332 84 28 g g NOUN fis-1332 84 29 ; ; PUNCT fis-1332 84 30 3 3 X fis-1332 84 31 ) ) PUNCT fis-1332 84 32 solve solve VERB fis-1332 84 33 the the DET fis-1332 84 34 new new ADJ fis-1332 84 35 threshold threshold NOUN fis-1332 84 36 value value NOUN fis-1332 84 37   NOUN fis-1332 85 1 1 1 NOUN fis-1332 85 2 1 1 NUM fis-1332 85 3 2 2 NUM fis-1332 85 4 2ht 2ht NOUN fis-1332 85 5 g g PROPN fis-1332 85 6 g g PROPN fis-1332 86 1   PROPN fis-1332 86 2   ADV fis-1332 86 3 ; ; PUNCT fis-1332 86 4 4 4 X fis-1332 86 5 ) ) PUNCT fis-1332 86 6 take take VERB fis-1332 86 7 a a DET fis-1332 86 8 new new ADJ fis-1332 86 9 threshold threshold NOUN fis-1332 86 10 . . PUNCT fis-1332 87 1 repeat repeat NOUN fis-1332 87 2 steps step NOUN fis-1332 87 3 2 2 NUM fis-1332 87 4 to to ADP fis-1332 87 5 4 4 NUM fis-1332 87 6 until until ADP fis-1332 87 7 1h 1h NUM fis-1332 87 8 ht ht PROPN fis-1332 87 9 t t PROPN fis-1332 87 10   PROPN fis-1332 87 11 in in ADP fis-1332 87 12 subsequent subsequent ADJ fis-1332 87 13 iterations iteration NOUN fis-1332 87 14 remains remain VERB fis-1332 87 15 basically basically ADV fis-1332 87 16 unchanged unchanged ADJ fis-1332 87 17 . . PUNCT fis-1332 88 1 an an DET fis-1332 88 2 iterative iterative NOUN fis-1332 88 3 method method NOUN fis-1332 88 4 is be AUX fis-1332 88 5 used use VERB fis-1332 88 6 to to PART fis-1332 88 7 make make VERB fis-1332 88 8 the the DET fis-1332 88 9 grayscale grayscale NOUN fis-1332 88 10 threshold threshold NOUN fis-1332 88 11 segmentation segmentation NOUN fis-1332 88 12 up up ADP fis-1332 88 13 to to ADP fis-1332 88 14 a a DET fis-1332 88 15 gray gray ADJ fis-1332 88 16 level level NOUN fis-1332 88 17 image image NOUN fis-1332 88 18 , , PUNCT fis-1332 88 19 as as SCONJ fis-1332 88 20 shown show VERB fis-1332 88 21 in in ADP fis-1332 88 22 fig fig NOUN fis-1332 88 23 . . PUNCT fis-1332 89 1 3 3 X fis-1332 89 2 . . X fis-1332 89 3 ( ( PUNCT fis-1332 89 4 a a X fis-1332 89 5 ) ) PUNCT fis-1332 89 6 ( ( PUNCT fis-1332 89 7 b b X fis-1332 89 8 ) ) PUNCT fis-1332 89 9 figure figure NOUN fis-1332 89 10 3 3 NUM fis-1332 89 11 : : PUNCT fis-1332 89 12 ( ( PUNCT fis-1332 89 13 a a X fis-1332 89 14 ) ) PUNCT fis-1332 89 15 grayscale grayscale NOUN fis-1332 89 16 image image NOUN fis-1332 89 17 ; ; PUNCT fis-1332 89 18 ( ( PUNCT fis-1332 89 19 b b X fis-1332 89 20 ) ) PUNCT fis-1332 89 21 image image NOUN fis-1332 89 22 after after ADP fis-1332 89 23 iterative iterative NOUN fis-1332 89 24 segmentation segmentation NOUN fis-1332 89 25 . . PUNCT fis-1332 90 1 w. w. PROPN fis-1332 90 2 tao tao PROPN fis-1332 90 3 et et PROPN fis-1332 90 4 alii alii PROPN fis-1332 90 5 , , PUNCT fis-1332 90 6 frattura frattura PROPN fis-1332 90 7 ed ed PROPN fis-1332 90 8 integrità integrità PROPN fis-1332 90 9 strutturale strutturale PROPN fis-1332 90 10 , , PUNCT fis-1332 90 11 30 30 NUM fis-1332 90 12 ( ( PUNCT fis-1332 90 13 2014 2014 NUM fis-1332 90 14 ) ) PUNCT fis-1332 90 15 537 537 NUM fis-1332 90 16 - - SYM fis-1332 90 17 544 544 NUM fis-1332 90 18 ; ; PUNCT fis-1332 90 19 doi doi NOUN fis-1332 90 20 : : PUNCT fis-1332 90 21 10.3221 10.3221 NUM fis-1332 90 22 / / SYM fis-1332 90 23 igf igf NOUN fis-1332 90 24 - - PUNCT fis-1332 90 25 esis.30.64 esis.30.64 PROPN fis-1332 90 26 540 540 NUM fis-1332 90 27 measuring measure VERB fis-1332 90 28 the the DET fis-1332 90 29 parameters parameter NOUN fis-1332 90 30 of of ADP fis-1332 90 31 underwater underwater ADJ fis-1332 90 32 bridge bridge NOUN fis-1332 90 33 cracks crack NOUN fis-1332 90 34 n n ADV fis-1332 90 35 dealing deal VERB fis-1332 90 36 with with ADP fis-1332 90 37 the the DET fis-1332 90 38 image image NOUN fis-1332 90 39 , , PUNCT fis-1332 90 40 the the DET fis-1332 90 41 target target NOUN fis-1332 90 42 description description NOUN fis-1332 90 43 is be AUX fis-1332 90 44 mainly mainly ADV fis-1332 90 45 boundaries boundary NOUN fis-1332 90 46 and and CCONJ fis-1332 90 47 regions region NOUN fis-1332 90 48 . . PUNCT fis-1332 91 1 the the DET fis-1332 91 2 object object NOUN fis-1332 91 3 boundary boundary NOUN fis-1332 91 4 is be AUX fis-1332 91 5 generally generally ADV fis-1332 91 6 represented represent VERB fis-1332 91 7 by by ADP fis-1332 91 8 a a DET fis-1332 91 9 chain chain NOUN fis-1332 91 10 code code NOUN fis-1332 91 11 . . PUNCT fis-1332 92 1 the the DET fis-1332 92 2 target target NOUN fis-1332 92 3 area area NOUN fis-1332 92 4 usually usually ADV fis-1332 92 5 has have VERB fis-1332 92 6 2 2 NUM fis-1332 92 7 representations representation NOUN fis-1332 92 8 method method NOUN fis-1332 92 9 of of ADP fis-1332 92 10 4 4 NUM fis-1332 92 11 - - PUNCT fis-1332 92 12 neighborhood neighborhood NOUN fis-1332 92 13 and and CCONJ fis-1332 92 14 8neighborhood 8neighborhood NUM fis-1332 92 15 . . PUNCT fis-1332 93 1 but but CCONJ fis-1332 93 2 this this DET fis-1332 93 3 article article NOUN fis-1332 93 4 will will AUX fis-1332 93 5 not not PART fis-1332 93 6 expand expand VERB fis-1332 93 7 on on ADP fis-1332 93 8 this this PRON fis-1332 93 9 in in ADP fis-1332 93 10 detail detail NOUN fis-1332 93 11 . . PUNCT fis-1332 94 1 feature feature NOUN fis-1332 94 2 extraction extraction NOUN fis-1332 94 3 common common ADJ fis-1332 94 4 regional regional ADJ fis-1332 94 5 features feature NOUN fis-1332 94 6 include include VERB fis-1332 94 7 size size NOUN fis-1332 94 8 , , PUNCT fis-1332 94 9 external external ADJ fis-1332 94 10 ellipse ellipse NOUN fis-1332 94 11 , , PUNCT fis-1332 94 12 external external ADJ fis-1332 94 13 rectangles rectangle NOUN fis-1332 94 14 , , PUNCT fis-1332 94 15 gravity gravity NOUN fis-1332 94 16 center center NOUN fis-1332 94 17 , , PUNCT fis-1332 94 18 circularity circularity NOUN fis-1332 94 19 , , PUNCT fis-1332 94 20 perimeter perimeter NOUN fis-1332 94 21 , , PUNCT fis-1332 94 22 etc etc X fis-1332 94 23 .. .. X fis-1332 94 24 grayscale grayscale NOUN fis-1332 94 25 features feature NOUN fis-1332 94 26 have have VERB fis-1332 94 27 a a DET fis-1332 94 28 highest high ADJ fis-1332 94 29 gray gray ADJ fis-1332 94 30 value value NOUN fis-1332 94 31 , , PUNCT fis-1332 94 32 a a DET fis-1332 94 33 minimum minimum ADJ fis-1332 94 34 gray gray ADJ fis-1332 94 35 value value NOUN fis-1332 94 36 and and CCONJ fis-1332 94 37 an an DET fis-1332 94 38 average average ADJ fis-1332 94 39 gray gray ADJ fis-1332 94 40 value value NOUN fis-1332 94 41 , , PUNCT fis-1332 94 42 etc etc X fis-1332 94 43 .. .. X fis-1332 94 44 contour contour NOUN fis-1332 94 45 features feature NOUN fis-1332 94 46 include include VERB fis-1332 94 47 contour contour NOUN fis-1332 94 48 length length NOUN fis-1332 94 49 . . PUNCT fis-1332 95 1 the the DET fis-1332 95 2 basic basic ADJ fis-1332 95 3 steps step NOUN fis-1332 95 4 of of ADP fis-1332 95 5 the the DET fis-1332 95 6 feature feature NOUN fis-1332 95 7 extraction extraction NOUN fis-1332 95 8 process process NOUN fis-1332 95 9 are be AUX fis-1332 95 10 shown show VERB fis-1332 95 11 in in ADP fis-1332 95 12 the the DET fis-1332 95 13 following follow VERB fis-1332 95 14 picture picture NOUN fis-1332 95 15 . . PUNCT fis-1332 96 1 in in ADP fis-1332 96 2 order order NOUN fis-1332 96 3 to to PART fis-1332 96 4 detect detect VERB fis-1332 96 5 the the DET fis-1332 96 6 cracks crack NOUN fis-1332 96 7 it it PRON fis-1332 96 8 is be AUX fis-1332 96 9 necessary necessary ADJ fis-1332 96 10 to to PART fis-1332 96 11 find find VERB fis-1332 96 12 the the DET fis-1332 96 13 cracks crack NOUN fis-1332 96 14 in in ADP fis-1332 96 15 the the DET fis-1332 96 16 image image NOUN fis-1332 96 17 , , PUNCT fis-1332 96 18 confirm confirm VERB fis-1332 96 19 the the DET fis-1332 96 20 crack crack NOUN fis-1332 96 21 area area NOUN fis-1332 96 22 and and CCONJ fis-1332 96 23 obtain obtain VERB fis-1332 96 24 the the DET fis-1332 96 25 crack crack NOUN fis-1332 96 26 region region NOUN fis-1332 96 27 area area NOUN fis-1332 96 28 , , PUNCT fis-1332 96 29 length length NOUN fis-1332 96 30 , , PUNCT fis-1332 96 31 width width ADJ fis-1332 96 32 , , PUNCT fis-1332 96 33 perimeter perimeter NOUN fis-1332 96 34 and and CCONJ fis-1332 96 35 other other ADJ fis-1332 96 36 parameters parameter NOUN fis-1332 96 37 . . PUNCT fis-1332 97 1 1 1 X fis-1332 97 2 ) ) PUNCT fis-1332 97 3 measurement measurement NOUN fis-1332 97 4 of of ADP fis-1332 97 5 proportion proportion NOUN fis-1332 97 6 in in ADP fis-1332 97 7 regular regular ADJ fis-1332 97 8 binary binary ADJ fis-1332 97 9 image image NOUN fis-1332 97 10 processing processing NOUN fis-1332 97 11 , , PUNCT fis-1332 97 12 the the DET fis-1332 97 13 calculation calculation NOUN fis-1332 97 14 of of ADP fis-1332 97 15 proportion proportion NOUN fis-1332 97 16 , , PUNCT fis-1332 97 17 in in ADP fis-1332 97 18 fact fact NOUN fis-1332 97 19 , , PUNCT fis-1332 97 20 is be AUX fis-1332 97 21 about about ADP fis-1332 97 22 the the DET fis-1332 97 23 geometry geometry NOUN fis-1332 97 24 characteristics characteristic VERB fis-1332 97 25 quantity quantity NOUN fis-1332 97 26 for for ADP fis-1332 97 27 measurement measurement NOUN fis-1332 97 28 of of ADP fis-1332 97 29 the the DET fis-1332 97 30 size size NOUN fis-1332 97 31 of of ADP fis-1332 97 32 connected connected ADJ fis-1332 97 33 area area NOUN fis-1332 97 34 after after ADP fis-1332 97 35 binaryzation binaryzation NOUN fis-1332 97 36 . . PUNCT fis-1332 98 1 the the DET fis-1332 98 2 specific specific ADJ fis-1332 98 3 definition definition NOUN fis-1332 98 4 is be AUX fis-1332 98 5 the the DET fis-1332 98 6 total total ADJ fis-1332 98 7 amount amount NOUN fis-1332 98 8 of of ADP fis-1332 98 9 pixel pixel NOUN fis-1332 98 10 in in ADP fis-1332 98 11 connected connected ADJ fis-1332 98 12 area area NOUN fis-1332 98 13 . . PUNCT fis-1332 99 1 we we PRON fis-1332 99 2 speculate speculate VERB fis-1332 99 3 that that SCONJ fis-1332 99 4 the the DET fis-1332 99 5 pixel pixel PROPN fis-1332 99 6 value value NOUN fis-1332 99 7 of of ADP fis-1332 99 8 cracks crack NOUN fis-1332 99 9 in in ADP fis-1332 99 10 binary binary ADJ fis-1332 99 11 image image NOUN fis-1332 99 12 is be AUX fis-1332 99 13 1 1 NUM fis-1332 99 14 . . PUNCT fis-1332 100 1 therefore therefore ADV fis-1332 100 2 , , PUNCT fis-1332 100 3 the the DET fis-1332 100 4 calculation calculation NOUN fis-1332 100 5 of of ADP fis-1332 100 6 the the DET fis-1332 100 7 proportion proportion NOUN fis-1332 100 8 can can AUX fis-1332 100 9 be be AUX fis-1332 100 10 simply simply ADV fis-1332 100 11 expressed express VERB fis-1332 100 12 as as ADP fis-1332 100 13 : : PUNCT fis-1332 100 14   NOUN fis-1332 100 15   PROPN fis-1332 100 16   PROPN fis-1332 100 17   PROPN fis-1332 100 18 , , PUNCT fis-1332 100 19 , , PUNCT fis-1332 100 20 x x PUNCT fis-1332 100 21 y y NOUN fis-1332 100 22 s s VERB fis-1332 100 23 a a DET fis-1332 100 24 g g NOUN fis-1332 100 25 x x SYM fis-1332 100 26 y y PROPN fis-1332 100 27   NOUN fis-1332 100 28   ADV fis-1332 100 29   X fis-1332 100 30 s s VERB fis-1332 100 31 is be AUX fis-1332 100 32 expressed express VERB fis-1332 100 33 as as ADP fis-1332 100 34 the the DET fis-1332 100 35 connected connected ADJ fis-1332 100 36 domain domain NOUN fis-1332 100 37 that that PRON fis-1332 100 38 needs need VERB fis-1332 100 39 to to PART fis-1332 100 40 be be AUX fis-1332 100 41 measured measure VERB fis-1332 100 42 ; ; PUNCT fis-1332 100 43   NOUN fis-1332 100 44 ,g ,g NOUN fis-1332 100 45 x x X fis-1332 100 46 y y NOUN fis-1332 100 47 is be AUX fis-1332 100 48 the the DET fis-1332 100 49 pixel pixel PROPN fis-1332 100 50 value value NOUN fis-1332 100 51 of of ADP fis-1332 100 52 point point NOUN fis-1332 100 53   PROPN fis-1332 100 54 ,x ,x PUNCT fis-1332 100 55 y y PROPN fis-1332 100 56 . . PUNCT fis-1332 101 1 although although SCONJ fis-1332 101 2 the the DET fis-1332 101 3 overall overall ADJ fis-1332 101 4 proportion proportion NOUN fis-1332 101 5 measurement measurement NOUN fis-1332 101 6 of of ADP fis-1332 101 7 the the DET fis-1332 101 8 target target NOUN fis-1332 101 9 is be AUX fis-1332 101 10 very very ADV fis-1332 101 11 accurate accurate ADJ fis-1332 101 12 , , PUNCT fis-1332 101 13 the the DET fis-1332 101 14 proportion proportion NOUN fis-1332 101 15 refers refer VERB fis-1332 101 16 to to ADP fis-1332 101 17 the the DET fis-1332 101 18 total total ADJ fis-1332 101 19 proportion proportion NOUN fis-1332 101 20 of of ADP fis-1332 101 21 all all DET fis-1332 101 22 targets target NOUN fis-1332 101 23 in in ADP fis-1332 101 24 the the DET fis-1332 101 25 image image NOUN fis-1332 101 26 . . PUNCT fis-1332 102 1 it it PRON fis-1332 102 2 may may AUX fis-1332 102 3 involve involve VERB fis-1332 102 4 the the DET fis-1332 102 5 fracture fracture NOUN fis-1332 102 6 section section NOUN fis-1332 102 7 , , PUNCT fis-1332 102 8 various various ADJ fis-1332 102 9 complex complex ADJ fis-1332 102 10 cracks crack NOUN fis-1332 102 11 or or CCONJ fis-1332 102 12 some some DET fis-1332 102 13 small small ADJ fis-1332 102 14 cracks crack NOUN fis-1332 102 15 that that PRON fis-1332 102 16 have have VERB fis-1332 102 17 interference interference NOUN fis-1332 102 18 ( ( PUNCT fis-1332 102 19 eg eg NOUN fis-1332 102 20 . . PUNCT fis-1332 103 1 the the DET fis-1332 103 2 unfiltered unfiltered ADJ fis-1332 103 3 random random ADJ fis-1332 103 4 noise noise NOUN fis-1332 103 5 ) ) PUNCT fis-1332 103 6 . . PUNCT fis-1332 104 1 above above ADP fis-1332 104 2 all all PRON fis-1332 104 3 , , PUNCT fis-1332 104 4 the the DET fis-1332 104 5 complex complex ADJ fis-1332 104 6 cracks crack NOUN fis-1332 104 7 such such ADJ fis-1332 104 8 as as ADP fis-1332 104 9 massive massive ADJ fis-1332 104 10 cracks crack NOUN fis-1332 104 11 or or CCONJ fis-1332 104 12 crocodile crocodile NOUN fis-1332 104 13 cracks crack NOUN fis-1332 104 14 can can AUX fis-1332 104 15 not not PART fis-1332 104 16 be be AUX fis-1332 104 17 clearly clearly ADV fis-1332 104 18 distinguished distinguish VERB fis-1332 104 19 into into ADP fis-1332 104 20 single single ADJ fis-1332 104 21 cracks crack NOUN fis-1332 104 22 . . PUNCT fis-1332 105 1 thus thus ADV fis-1332 105 2 , , PUNCT fis-1332 105 3 the the DET fis-1332 105 4 big big ADJ fis-1332 105 5 error error NOUN fis-1332 105 6 exists exist VERB fis-1332 105 7 . . PUNCT fis-1332 106 1 therefore therefore ADV fis-1332 106 2 , , PUNCT fis-1332 106 3 we we PRON fis-1332 106 4 propose propose VERB fis-1332 106 5 a a DET fis-1332 106 6 new new ADJ fis-1332 106 7 means mean NOUN fis-1332 106 8 to to PART fis-1332 106 9 solve solve VERB fis-1332 106 10 the the DET fis-1332 106 11 problem problem NOUN fis-1332 106 12 . . PUNCT fis-1332 107 1 we we PRON fis-1332 107 2 use use VERB fis-1332 107 3 the the DET fis-1332 107 4 template template NOUN fis-1332 107 5 and and CCONJ fis-1332 107 6 target target NOUN fis-1332 107 7 to to PART fis-1332 107 8 conduct conduct VERB fis-1332 107 9 bitwise bitwise NOUN fis-1332 107 10 and and CCONJ fis-1332 107 11 , , PUNCT fis-1332 107 12 in in ADP fis-1332 107 13 fact fact NOUN fis-1332 107 14 , , PUNCT fis-1332 107 15 logic logic NOUN fis-1332 107 16 and and CCONJ fis-1332 107 17 operation operation NOUN fis-1332 107 18 on on ADP fis-1332 107 19 binary binary ADJ fis-1332 107 20 image image NOUN fis-1332 107 21 to to PART fis-1332 107 22 calculate calculate VERB fis-1332 107 23 the the DET fis-1332 107 24 area area NOUN fis-1332 107 25 of of ADP fis-1332 107 26 cracks crack NOUN fis-1332 107 27 . . PUNCT fis-1332 108 1 we we PRON fis-1332 108 2 select select VERB fis-1332 108 3 curve curve NOUN fis-1332 108 4   PROPN fis-1332 108 5 ,f ,f NOUN fis-1332 108 6 x x X fis-1332 108 7 y y NOUN fis-1332 108 8 and and CCONJ fis-1332 108 9 use use VERB fis-1332 108 10 binary binary ADJ fis-1332 108 11 logic logic NOUN fis-1332 108 12 operation operation NOUN fis-1332 108 13 to to PART fis-1332 108 14 obtain obtain VERB fis-1332 108 15 more more ADV fis-1332 108 16 accurate accurate ADJ fis-1332 108 17 value value NOUN fis-1332 108 18 . . PUNCT fis-1332 109 1 binary binary ADJ fis-1332 109 2 logic logic NOUN fis-1332 109 3 and and CCONJ fis-1332 109 4 operation operation NOUN fis-1332 109 5 meet meet VERB fis-1332 109 6 the the DET fis-1332 109 7 following follow VERB fis-1332 109 8 formula formula NOUN fis-1332 109 9 : : PUNCT fis-1332 109 10 0 0 NUM fis-1332 109 11 & & CCONJ fis-1332 109 12 0 0 NUM fis-1332 109 13 0 0 NUM fis-1332 109 14 ; ; PUNCT fis-1332 109 15 0 0 NUM fis-1332 109 16 & & CCONJ fis-1332 109 17 1 1 NUM fis-1332 109 18 0 0 NUM fis-1332 109 19 ; ; PUNCT fis-1332 109 20 1 1 NUM fis-1332 109 21 & & CCONJ fis-1332 109 22 0 0 NUM fis-1332 109 23 0 0 NUM fis-1332 109 24 ; ; PUNCT fis-1332 109 25 1 1 NUM fis-1332 109 26 & & CCONJ fis-1332 109 27 1 1 NUM fis-1332 109 28 1 1 NUM fis-1332 109 29 ( ( PUNCT fis-1332 109 30 in in ADP fis-1332 109 31 binary binary ADJ fis-1332 109 32 image image NOUN fis-1332 109 33 , , PUNCT fis-1332 109 34 the the DET fis-1332 109 35 pixel pixel PROPN fis-1332 109 36 value value NOUN fis-1332 109 37 of of ADP fis-1332 109 38 points point NOUN fis-1332 109 39 in in ADP fis-1332 109 40 the the DET fis-1332 109 41 image image NOUN fis-1332 109 42 only only ADV fis-1332 109 43 have have VERB fis-1332 109 44 two two NUM fis-1332 109 45 kinds kind NOUN fis-1332 109 46 of of ADP fis-1332 109 47 values value NOUN fis-1332 109 48 ; ; PUNCT fis-1332 109 49 in in ADP fis-1332 109 50 the the DET fis-1332 109 51 specific specific ADJ fis-1332 109 52 calculation calculation NOUN fis-1332 109 53 process process NOUN fis-1332 109 54 , , PUNCT fis-1332 109 55 we we PRON fis-1332 109 56 adopt adopt VERB fis-1332 109 57 bitwise bitwise NOUN fis-1332 109 58 and and CCONJ fis-1332 109 59 operation operation NOUN fis-1332 109 60 on on ADP fis-1332 109 61 the the DET fis-1332 109 62 binary binary ADJ fis-1332 109 63 image image NOUN fis-1332 109 64 array array NOUN fis-1332 109 65 . . PUNCT fis-1332 109 66 ) ) PUNCT fis-1332 110 1 by by ADP fis-1332 110 2 doing do VERB fis-1332 110 3 this this PRON fis-1332 110 4 , , PUNCT fis-1332 110 5 the the DET fis-1332 110 6 false false ADJ fis-1332 110 7 data datum NOUN fis-1332 110 8 that that PRON fis-1332 110 9 may may AUX fis-1332 110 10 be be AUX fis-1332 110 11 contained contain VERB fis-1332 110 12 around around ADP fis-1332 110 13 crack crack NOUN fis-1332 110 14 and and CCONJ fis-1332 110 15 in in ADP fis-1332 110 16 crack crack NOUN fis-1332 110 17 can can AUX fis-1332 110 18 be be AUX fis-1332 110 19 removed remove VERB fis-1332 110 20 . . PUNCT fis-1332 111 1 that that PRON fis-1332 111 2 can can AUX fis-1332 111 3 make make VERB fis-1332 111 4 the the DET fis-1332 111 5 image image NOUN fis-1332 111 6 area area NOUN fis-1332 111 7 calculation calculation NOUN fis-1332 111 8 become become VERB fis-1332 111 9 more more ADV fis-1332 111 10 accurate accurate ADJ fis-1332 111 11 . . PUNCT fis-1332 112 1 in in ADP fis-1332 112 2 addition addition NOUN fis-1332 112 3 , , PUNCT fis-1332 112 4 bit bit NOUN fis-1332 112 5 manipulation manipulation NOUN fis-1332 112 6 , , PUNCT fis-1332 112 7 the the DET fis-1332 112 8 most most ADV fis-1332 112 9 basic basic ADJ fis-1332 112 10 operation operation NOUN fis-1332 112 11 in in ADP fis-1332 112 12 the the DET fis-1332 112 13 computer computer NOUN fis-1332 112 14 , , PUNCT fis-1332 112 15 occupied occupy VERB fis-1332 112 16 the the DET fis-1332 112 17 absolute absolute ADJ fis-1332 112 18 advantage advantage NOUN fis-1332 112 19 in in ADP fis-1332 112 20 calculation calculation NOUN fis-1332 112 21 speed speed NOUN fis-1332 112 22 because because SCONJ fis-1332 112 23 the the DET fis-1332 112 24 hardware hardware NOUN fis-1332 112 25 of of ADP fis-1332 112 26 the the DET fis-1332 112 27 computer computer NOUN fis-1332 112 28 only only ADV fis-1332 112 29 identifies identify VERB fis-1332 112 30 0 0 NUM fis-1332 112 31 and and CCONJ fis-1332 112 32 1 1 NUM fis-1332 112 33 . . NOUN fis-1332 112 34 2 2 NUM fis-1332 112 35 ) ) PUNCT fis-1332 112 36 measurement measurement NOUN fis-1332 112 37 of of ADP fis-1332 112 38 length length NOUN fis-1332 112 39 and and CCONJ fis-1332 112 40 width width VERB fis-1332 112 41 in in ADP fis-1332 112 42 practical practical ADJ fis-1332 112 43 crack crack NOUN fis-1332 112 44 image image NOUN fis-1332 112 45 , , PUNCT fis-1332 112 46 absolute absolute ADJ fis-1332 112 47 across across ADP fis-1332 112 48 and and CCONJ fis-1332 112 49 down down ADV fis-1332 112 50 do do AUX fis-1332 112 51 not not PART fis-1332 112 52 exist exist VERB fis-1332 112 53 . . PUNCT fis-1332 113 1 generally generally ADV fis-1332 113 2 , , PUNCT fis-1332 113 3 the the DET fis-1332 113 4 cracks crack NOUN fis-1332 113 5 have have VERB fis-1332 113 6 radian radian ADJ fis-1332 113 7 and and CCONJ fis-1332 113 8 even even ADV fis-1332 113 9 burr burr PROPN fis-1332 113 10 . . PUNCT fis-1332 114 1 the the DET fis-1332 114 2 middle middle ADJ fis-1332 114 3 part part NOUN fis-1332 114 4 may may AUX fis-1332 114 5 also also ADV fis-1332 114 6 break break VERB fis-1332 114 7 . . PUNCT fis-1332 115 1 therefore therefore ADV fis-1332 115 2 , , PUNCT fis-1332 115 3 we we PRON fis-1332 115 4 adopt adopt VERB fis-1332 115 5 the the DET fis-1332 115 6 following following ADJ fis-1332 115 7 assumption assumption NOUN fis-1332 115 8 for for ADP fis-1332 115 9 the the DET fis-1332 115 10 easy easy ADJ fis-1332 115 11 disposal disposal NOUN fis-1332 115 12 of of ADP fis-1332 115 13 computer computer NOUN fis-1332 115 14 . . PUNCT fis-1332 116 1 1 1 NUM fis-1332 116 2 ) ) PUNCT fis-1332 116 3 in in ADP fis-1332 116 4 the the DET fis-1332 116 5 segmented segment VERB fis-1332 116 6 sub sub NOUN fis-1332 116 7 - - ADJ fis-1332 116 8 block block ADJ fis-1332 116 9 , , PUNCT fis-1332 116 10 axis axis NOUN fis-1332 116 11 of of ADP fis-1332 116 12 cracks crack NOUN fis-1332 116 13 in in ADP fis-1332 116 14 the the DET fis-1332 116 15 target target NOUN fis-1332 116 16 area area NOUN fis-1332 116 17 is be AUX fis-1332 116 18 expressed express VERB fis-1332 116 19 as as ADP fis-1332 116 20 curve curve NOUN fis-1332 116 21   NOUN fis-1332 116 22 ,f ,f NOUN fis-1332 116 23 x x X fis-1332 116 24 y y NOUN fis-1332 116 25 . . PUNCT fis-1332 117 1 it it PRON fis-1332 117 2 is be AUX fis-1332 117 3 a a DET fis-1332 117 4 connected connected ADJ fis-1332 117 5 fracture fracture NOUN fis-1332 117 6 section section NOUN fis-1332 117 7 with with ADP fis-1332 117 8 unit unit NOUN fis-1332 117 9 pixel pixel PROPN fis-1332 117 10 width width PROPN fis-1332 117 11 ; ; PUNCT fis-1332 117 12 2 2 X fis-1332 117 13 ) ) PUNCT fis-1332 117 14 cracks crack NOUN fis-1332 117 15 in in ADP fis-1332 117 16 the the DET fis-1332 117 17 target target NOUN fis-1332 117 18 area area NOUN fis-1332 117 19 is be AUX fis-1332 117 20 the the DET fis-1332 117 21 point point NOUN fis-1332 117 22 with with ADP fis-1332 117 23 the the DET fis-1332 117 24 minimum minimum ADJ fis-1332 117 25 gray gray ADJ fis-1332 117 26 level level NOUN fis-1332 117 27 in in ADP fis-1332 117 28 the the DET fis-1332 117 29 non non ADJ fis-1332 117 30 - - ADJ fis-1332 117 31 growth growth ADJ fis-1332 117 32 direction direction NOUN fis-1332 117 33 area area NOUN fis-1332 117 34 of of ADP fis-1332 117 35 that that DET fis-1332 117 36 point point NOUN fis-1332 117 37 ; ; PUNCT fis-1332 117 38 3 3 X fis-1332 117 39 ) ) PUNCT fis-1332 117 40 curve curve NOUN fis-1332 117 41   PROPN fis-1332 117 42 ,f ,f NOUN fis-1332 117 43 x x SYM fis-1332 117 44 y y PROPN fis-1332 117 45 can can AUX fis-1332 117 46 fit fit VERB fis-1332 117 47 a a DET fis-1332 117 48 straight straight ADJ fis-1332 117 49 line line NOUN fis-1332 117 50 in in ADP fis-1332 117 51 subsection subsection NOUN fis-1332 117 52 . . PUNCT fis-1332 118 1 read read PROPN fis-1332 118 2     SPACE fis-1332 118 3 image image NOUN fis-1332 118 4 binaryzation binaryzation NOUN fis-1332 118 5 noise noise NOUN fis-1332 118 6     SPACE fis-1332 118 7 removal removal NOUN fis-1332 118 8 mark mark NOUN fis-1332 118 9     SPACE fis-1332 118 10 area area NOUN fis-1332 118 11 calculate calculate NOUN fis-1332 118 12     SPACE fis-1332 118 13 feature feature NOUN fis-1332 118 14     SPACE fis-1332 118 15 quantities quantity NOUN fis-1332 118 16 i i PRON fis-1332 118 17 w. w. PROPN fis-1332 118 18 tao tao PROPN fis-1332 118 19 et et PROPN fis-1332 118 20 alii alii PROPN fis-1332 118 21 , , PUNCT fis-1332 118 22 frattura frattura PROPN fis-1332 118 23 ed ed PROPN fis-1332 118 24 integrità integrità PROPN fis-1332 118 25 strutturale strutturale PROPN fis-1332 118 26 , , PUNCT fis-1332 118 27 30 30 NUM fis-1332 118 28 ( ( PUNCT fis-1332 118 29 2014 2014 NUM fis-1332 118 30 ) ) PUNCT fis-1332 118 31 537 537 NUM fis-1332 118 32 - - SYM fis-1332 118 33 544 544 NUM fis-1332 118 34 ; ; PUNCT fis-1332 118 35 doi doi NOUN fis-1332 118 36 : : PUNCT fis-1332 118 37 10.3221 10.3221 NUM fis-1332 118 38 / / SYM fis-1332 118 39 igf igf NOUN fis-1332 118 40 - - PUNCT fis-1332 118 41 esis.30.64 esis.30.64 PROPN fis-1332 118 42 541 541 NUM fis-1332 118 43 according accord VERB fis-1332 118 44 to to ADP fis-1332 118 45 the the DET fis-1332 118 46 known know VERB fis-1332 118 47 area area NOUN fis-1332 118 48 , , PUNCT fis-1332 118 49 the the DET fis-1332 118 50 computer computer NOUN fis-1332 118 51 can can AUX fis-1332 118 52 calculate calculate VERB fis-1332 118 53 the the DET fis-1332 118 54 pixel pixel NOUN fis-1332 118 55 point point NOUN fis-1332 118 56 , , PUNCT fis-1332 118 57 and and CCONJ fis-1332 118 58 thus thus ADV fis-1332 118 59 obtain obtain VERB fis-1332 118 60 the the DET fis-1332 118 61 value value NOUN fis-1332 118 62 of of ADP fis-1332 118 63 the the DET fis-1332 118 64 length length NOUN fis-1332 118 65 and and CCONJ fis-1332 118 66 width width NOUN fis-1332 118 67 . . PUNCT fis-1332 119 1 4 4 X fis-1332 119 2 ) ) PUNCT fis-1332 119 3 perimeter perimeter NOUN fis-1332 119 4 p p PROPN fis-1332 119 5 the the DET fis-1332 119 6 contour contour NOUN fis-1332 119 7 perimeter perimeter NOUN fis-1332 119 8 level level NOUN fis-1332 119 9 reflects reflect VERB fis-1332 119 10 the the DET fis-1332 119 11 overall overall ADJ fis-1332 119 12 extension extension NOUN fis-1332 119 13 of of ADP fis-1332 119 14 the the DET fis-1332 119 15 crack crack NOUN fis-1332 119 16 . . PUNCT fis-1332 120 1 the the DET fis-1332 120 2 number number NOUN fis-1332 120 3 of of ADP fis-1332 120 4 pixels pixel NOUN fis-1332 120 5 on on ADP fis-1332 120 6 the the DET fis-1332 120 7 border border NOUN fis-1332 120 8 is be AUX fis-1332 120 9 calculated calculate VERB fis-1332 120 10 after after ADP fis-1332 120 11 acquiring acquire VERB fis-1332 120 12 the the DET fis-1332 120 13 boundary boundary ADJ fis-1332 120 14 contour contour NOUN fis-1332 120 15 of of ADP fis-1332 120 16 the the DET fis-1332 120 17 cracks crack NOUN fis-1332 120 18 . . PUNCT fis-1332 121 1 then then ADV fis-1332 121 2 we we PRON fis-1332 121 3 can can AUX fis-1332 121 4 obtain obtain VERB fis-1332 121 5 the the DET fis-1332 121 6 contour contour NOUN fis-1332 121 7 perimeter perimeter NOUN fis-1332 121 8 . . PUNCT fis-1332 122 1 5 5 NUM fis-1332 122 2 ) ) PUNCT fis-1332 122 3 circle circle NOUN fis-1332 122 4 c c PROPN fis-1332 122 5 circularity circularity NOUN fis-1332 122 6 reflects reflect VERB fis-1332 122 7 the the DET fis-1332 122 8 complexity complexity NOUN fis-1332 122 9 of of ADP fis-1332 122 10 the the DET fis-1332 122 11 target target NOUN fis-1332 122 12 boundary boundary NOUN fis-1332 122 13 . . PUNCT fis-1332 123 1 the the DET fis-1332 123 2 computational computational ADJ fis-1332 123 3 formula formula NOUN fis-1332 123 4 is be AUX fis-1332 123 5 as as SCONJ fis-1332 123 6 follows follow VERB fis-1332 123 7 . . PUNCT fis-1332 124 1 the the DET fis-1332 124 2 probability probability NOUN fis-1332 124 3 of of ADP fis-1332 124 4 appearance appearance NOUN fis-1332 124 5 of of ADP fis-1332 124 6 the the DET fis-1332 124 7 gray gray ADJ fis-1332 124 8 value value NOUN fis-1332 124 9 24c 24c NOUN fis-1332 124 10 a a DET fis-1332 124 11 p p NOUN fis-1332 124 12 a a NOUN fis-1332 124 13 : : PUNCT fis-1332 124 14 when when SCONJ fis-1332 124 15 the the DET fis-1332 124 16 pixel pixel PROPN fis-1332 124 17 value value NOUN fis-1332 124 18 of of ADP fis-1332 124 19 the the DET fis-1332 124 20 crack crack NOUN fis-1332 124 21 target target NOUN fis-1332 124 22 in in ADP fis-1332 124 23 a a DET fis-1332 124 24 previously previously ADV fis-1332 124 25 assumed assume VERB fis-1332 124 26 binary binary ADJ fis-1332 124 27 image image NOUN fis-1332 124 28 is1 is1 PROPN fis-1332 124 29 , , PUNCT fis-1332 124 30 the the DET fis-1332 124 31 area area NOUN fis-1332 124 32 of of ADP fis-1332 124 33 the the DET fis-1332 124 34 connected connected ADJ fis-1332 124 35 domain domain NOUN fis-1332 124 36 will will AUX fis-1332 124 37 be be AUX fis-1332 124 38 p p ADJ fis-1332 124 39 . . PUNCT fis-1332 125 1 6 6 X fis-1332 125 2 ) ) PUNCT fis-1332 125 3 external external ADJ fis-1332 125 4 ellipse ellipse NOUN fis-1332 125 5 the the DET fis-1332 125 6 external external ADJ fis-1332 125 7 oval oval NOUN fis-1332 125 8 reflects reflect VERB fis-1332 125 9 the the DET fis-1332 125 10 position position NOUN fis-1332 125 11 and and CCONJ fis-1332 125 12 range range NOUN fis-1332 125 13 of of ADP fis-1332 125 14 the the DET fis-1332 125 15 area area NOUN fis-1332 125 16 . . PUNCT fis-1332 126 1 the the DET fis-1332 126 2 center center NOUN fis-1332 126 3 coordinates coordinate VERB fis-1332 126 4   PROPN fis-1332 126 5 ,x ,x PUNCT fis-1332 126 6 y y NOUN fis-1332 126 7 in in ADP fis-1332 126 8 the the DET fis-1332 126 9 ellipse ellipse NOUN fis-1332 126 10 can can AUX fis-1332 126 11 be be AUX fis-1332 126 12 represented represent VERB fis-1332 126 13 by by ADP fis-1332 126 14 the the DET fis-1332 126 15 first first ADJ fis-1332 126 16 moment moment NOUN fis-1332 126 17 : : PUNCT fis-1332 127 1   NOUN fis-1332 127 2   PROPN fis-1332 127 3   PROPN fis-1332 127 4   PROPN fis-1332 127 5 , , PUNCT fis-1332 127 6 , , PUNCT fis-1332 127 7 1 1 NUM fis-1332 127 8 1 1 NUM fis-1332 127 9 , , PUNCT fis-1332 127 10 x x PUNCT fis-1332 127 11 y y NOUN fis-1332 127 12 r r NOUN fis-1332 127 13 x x PUNCT fis-1332 127 14 y y NOUN fis-1332 127 15 r r NOUN fis-1332 127 16 x x PUNCT fis-1332 127 17 x x VERB fis-1332 127 18 y y VERB fis-1332 127 19 y y PROPN fis-1332 127 20 a a DET fis-1332 127 21 a a PROPN fis-1332 127 22   NOUN fis-1332 127 23   NUM fis-1332 127 24   X fis-1332 127 25   X fis-1332 127 26 where where SCONJ fis-1332 127 27 a a PRON fis-1332 127 28 : : PUNCT fis-1332 127 29 the the DET fis-1332 127 30 area area NOUN fis-1332 127 31 of of ADP fis-1332 127 32 the the DET fis-1332 127 33 range range NOUN fis-1332 127 34 ; ; PUNCT fis-1332 127 35 r r X fis-1332 127 36 : : PUNCT fis-1332 127 37 the the DET fis-1332 127 38 connected connected ADJ fis-1332 127 39 domain domain NOUN fis-1332 127 40 needs need VERB fis-1332 127 41 measuring measure VERB fis-1332 127 42 . . PUNCT fis-1332 128 1 example example NOUN fis-1332 128 2 verification verification NOUN fis-1332 128 3 this this DET fis-1332 128 4 paper paper NOUN fis-1332 128 5 chooses choose VERB fis-1332 128 6 10 10 NUM fis-1332 128 7 underwater underwater ADJ fis-1332 128 8 bridge bridge NOUN fis-1332 128 9 crack crack NOUN fis-1332 128 10 pictures picture NOUN fis-1332 128 11 the the DET fis-1332 128 12 size size NOUN fis-1332 128 13 is be AUX fis-1332 128 14 640 640 NUM fis-1332 128 15 480 480 NUM fis-1332 128 16 according accord VERB fis-1332 128 17 to to ADP fis-1332 128 18 the the DET fis-1332 128 19 description description NOUN fis-1332 128 20 and and CCONJ fis-1332 128 21 analysis analysis NOUN fis-1332 128 22 of of ADP fis-1332 128 23 the the DET fis-1332 128 24 crack crack NOUN fis-1332 128 25 target target NOUN fis-1332 128 26 features feature NOUN fis-1332 128 27 . . PUNCT fis-1332 129 1 a a DET fis-1332 129 2 statistical statistical ADJ fis-1332 129 3 analysis analysis NOUN fis-1332 129 4 is be AUX fis-1332 129 5 performed perform VERB fis-1332 129 6 for for ADP fis-1332 129 7 a a DET fis-1332 129 8 number number NOUN fis-1332 129 9 of of ADP fis-1332 129 10 typical typical ADJ fis-1332 129 11 characteristic characteristic ADJ fis-1332 129 12 quantities quantity NOUN fis-1332 129 13 of of ADP fis-1332 129 14 the the DET fis-1332 129 15 crack crack NOUN fis-1332 129 16 features feature NOUN fis-1332 129 17 and and CCONJ fis-1332 129 18 the the DET fis-1332 129 19 crack crack NOUN fis-1332 129 20 area area NOUN fis-1332 129 21 . . PUNCT fis-1332 130 1 a a DET fis-1332 130 2 gray gray ADJ fis-1332 130 3 feature feature NOUN fis-1332 130 4 of of ADP fis-1332 130 5 its its PRON fis-1332 130 6 external external ADJ fis-1332 130 7 rectangle rectangle NOUN fis-1332 130 8 is be AUX fis-1332 130 9 performed perform VERB fis-1332 130 10 . . PUNCT fis-1332 131 1 the the DET fis-1332 131 2 characteristic characteristic ADJ fis-1332 131 3 quantities quantity NOUN fis-1332 131 4 are be AUX fis-1332 131 5 shown show VERB fis-1332 131 6 in in ADP fis-1332 131 7 tab tab NOUN fis-1332 131 8 . . PUNCT fis-1332 132 1 1 1 X fis-1332 132 2 . . X fis-1332 132 3 order order NOUN fis-1332 132 4 number number NOUN fis-1332 132 5 area area NOUN fis-1332 132 6 perimeter perimeter NOUN fis-1332 132 7 external external ADJ fis-1332 132 8 rectangle rectangle NOUN fis-1332 132 9 width width ADJ fis-1332 132 10 external external ADJ fis-1332 132 11 rectangle rectangle NOUN fis-1332 132 12 height height NOUN fis-1332 132 13 aspect aspect NOUN fis-1332 132 14 ratio ratio NOUN fis-1332 132 15 circularity circularity NOUN fis-1332 132 16 1 1 NUM fis-1332 132 17 6301 6301 NUM fis-1332 132 18 1829.36 1829.36 NUM fis-1332 132 19 639 639 NUM fis-1332 132 20 86 86 NUM fis-1332 132 21 7.43 7.43 NUM fis-1332 132 22 0.0232 0.0232 NUM fis-1332 132 23 2 2 NUM fis-1332 132 24 2098 2098 NUM fis-1332 132 25 1170.11 1170.11 NUM fis-1332 132 26 420 420 NUM fis-1332 132 27 54 54 NUM fis-1332 132 28 7.78 7.78 NUM fis-1332 132 29 0.0198 0.0198 NUM fis-1332 132 30 3 3 NUM fis-1332 132 31 3591 3591 NUM fis-1332 132 32 1640.05 1640.05 NUM fis-1332 132 33 621 621 NUM fis-1332 132 34 59 59 NUM fis-1332 132 35 10.53 10.53 NUM fis-1332 132 36 0.0174 0.0174 NUM fis-1332 132 37 4 4 NUM fis-1332 132 38 2180 2180 NUM fis-1332 132 39 1299.99 1299.99 NUM fis-1332 132 40 395 395 NUM fis-1332 132 41 71 71 NUM fis-1332 132 42 5.56 5.56 NUM fis-1332 132 43 0.0161 0.0161 NUM fis-1332 132 44 5 5 NUM fis-1332 132 45 2503 2503 NUM fis-1332 132 46 1102.27 1102.27 NUM fis-1332 132 47 53 53 NUM fis-1332 132 48 309 309 NUM fis-1332 132 49 5.83 5.83 NUM fis-1332 132 50 0.0312 0.0312 NUM fis-1332 132 51 6 6 NUM fis-1332 132 52 8053 8053 NUM fis-1332 132 53 1750.75 1750.75 NUM fis-1332 132 54 639 639 NUM fis-1332 132 55 40 40 NUM fis-1332 132 56 15.98 15.98 NUM fis-1332 132 57 0.0322 0.0322 NUM fis-1332 132 58 7 7 NUM fis-1332 132 59 5496 5496 NUM fis-1332 132 60 1598.88 1598.88 NUM fis-1332 132 61 419 419 NUM fis-1332 132 62 130 130 NUM fis-1332 132 63 3.22 3.22 NUM fis-1332 132 64 0.0269 0.0269 NUM fis-1332 132 65 8 8 NUM fis-1332 132 66 6208 6208 NUM fis-1332 132 67 2601.47 2601.47 NUM fis-1332 132 68 640 640 NUM fis-1332 132 69 115 115 NUM fis-1332 132 70 5.57 5.57 NUM fis-1332 132 71 0.0115 0.0115 NUM fis-1332 132 72 9 9 NUM fis-1332 132 73 6697 6697 NUM fis-1332 132 74 2259.63 2259.63 NUM fis-1332 132 75 640 640 NUM fis-1332 132 76 113 113 NUM fis-1332 132 77 5.66 5.66 NUM fis-1332 132 78 0.0159 0.0159 NUM fis-1332 132 79 10 10 NUM fis-1332 132 80 3559 3559 NUM fis-1332 132 81 2034.64 2034.64 NUM fis-1332 132 82 640 640 NUM fis-1332 132 83 72 72 NUM fis-1332 132 84 8.89 8.89 NUM fis-1332 132 85 0.0110 0.0110 NUM fis-1332 132 86 table table NOUN fis-1332 132 87 1 1 NUM fis-1332 132 88 : : PUNCT fis-1332 132 89 result result NOUN fis-1332 132 90 of of ADP fis-1332 132 91 the the DET fis-1332 132 92 crack crack NOUN fis-1332 132 93 image image NOUN fis-1332 132 94 ’s ’s PART fis-1332 132 95 characteristic characteristic ADJ fis-1332 132 96 quantities quantity NOUN fis-1332 132 97 ( ( PUNCT fis-1332 132 98 unit unit NOUN fis-1332 132 99 : : PUNCT fis-1332 132 100 pixel pixel PROPN fis-1332 132 101 ) ) PUNCT fis-1332 132 102 . . PUNCT fis-1332 133 1 w. w. PROPN fis-1332 133 2 tao tao PROPN fis-1332 133 3 et et PROPN fis-1332 133 4 alii alii PROPN fis-1332 133 5 , , PUNCT fis-1332 133 6 frattura frattura PROPN fis-1332 133 7 ed ed PROPN fis-1332 133 8 integrità integrità PROPN fis-1332 133 9 strutturale strutturale PROPN fis-1332 133 10 , , PUNCT fis-1332 133 11 30 30 NUM fis-1332 133 12 ( ( PUNCT fis-1332 133 13 2014 2014 NUM fis-1332 133 14 ) ) PUNCT fis-1332 133 15 537 537 NUM fis-1332 133 16 - - SYM fis-1332 133 17 544 544 NUM fis-1332 133 18 ; ; PUNCT fis-1332 133 19 doi doi NOUN fis-1332 133 20 : : PUNCT fis-1332 133 21 10.3221 10.3221 NUM fis-1332 133 22 / / SYM fis-1332 133 23 igf igf NOUN fis-1332 133 24 - - ADJ fis-1332 133 25 esis.30.64 esis.30.64 PROPN fis-1332 133 26 542 542 NUM fis-1332 133 27 it it PRON fis-1332 133 28 emerges emerge VERB fis-1332 133 29 from from ADP fis-1332 133 30 the the DET fis-1332 133 31 calculation calculation NOUN fis-1332 133 32 results result NOUN fis-1332 133 33 that that PRON fis-1332 133 34 target target NOUN fis-1332 133 35 cracks crack NOUN fis-1332 133 36 ’ ' PUNCT fis-1332 133 37 circularity circularity NOUN fis-1332 133 38 is be AUX fis-1332 133 39 very very ADV fis-1332 133 40 small small ADJ fis-1332 133 41 , , PUNCT fis-1332 133 42 with with ADP fis-1332 133 43 90 90 NUM fis-1332 133 44 % % NOUN fis-1332 133 45 being be AUX fis-1332 133 46 below below ADP fis-1332 133 47 0.01 0.01 NUM fis-1332 133 48 . . PUNCT fis-1332 134 1 this this PRON fis-1332 134 2 indicates indicate VERB fis-1332 134 3 that that SCONJ fis-1332 134 4 the the DET fis-1332 134 5 boundary boundary ADJ fis-1332 134 6 shape shape NOUN fis-1332 134 7 of of ADP fis-1332 134 8 the the DET fis-1332 134 9 crack crack NOUN fis-1332 134 10 range range NOUN fis-1332 134 11 is be AUX fis-1332 134 12 relatively relatively ADV fis-1332 134 13 complex complex ADJ fis-1332 134 14 and and CCONJ fis-1332 134 15 irregular irregular ADJ fis-1332 134 16 . . PUNCT fis-1332 135 1 the the DET fis-1332 135 2 axial axial ADJ fis-1332 135 3 ratio ratio NOUN fis-1332 135 4 of of ADP fis-1332 135 5 the the DET fis-1332 135 6 external external ADJ fis-1332 135 7 ellipse ellipse NOUN fis-1332 135 8 is be AUX fis-1332 135 9 large large ADJ fis-1332 135 10 . . PUNCT fis-1332 136 1 the the DET fis-1332 136 2 rate rate NOUN fis-1332 136 3 above above ADP fis-1332 136 4 7 7 NUM fis-1332 136 5 percent percent NOUN fis-1332 136 6 is be AUX fis-1332 136 7 more more ADJ fis-1332 136 8 than than ADP fis-1332 136 9 80 80 NUM fis-1332 136 10 % % NOUN fis-1332 136 11 . . PUNCT fis-1332 137 1 and and CCONJ fis-1332 137 2 it it PRON fis-1332 137 3 is be AUX fis-1332 137 4 in in ADP fis-1332 137 5 accordance accordance NOUN fis-1332 137 6 with with ADP fis-1332 137 7 the the DET fis-1332 137 8 features feature NOUN fis-1332 137 9 in in ADP fis-1332 137 10 the the DET fis-1332 137 11 real real ADJ fis-1332 137 12 cracks crack NOUN fis-1332 137 13 observed observe VERB fis-1332 137 14 . . PUNCT fis-1332 138 1 the the DET fis-1332 138 2 present present ADJ fis-1332 138 3 linear linear PROPN fis-1332 138 4 features feature VERB fis-1332 138 5 a a DET fis-1332 138 6 slender slender ADJ fis-1332 138 7 line line NOUN fis-1332 138 8 while while SCONJ fis-1332 138 9 the the DET fis-1332 138 10 width width ADJ fis-1332 138 11 - - PUNCT fis-1332 138 12 height height NOUN fis-1332 138 13 ratio ratio NOUN fis-1332 138 14 80 80 NUM fis-1332 138 15 % % NOUN fis-1332 138 16 of of ADP fis-1332 138 17 the the DET fis-1332 138 18 external external ADJ fis-1332 138 19 rectangle rectangle NOUN fis-1332 138 20 is be AUX fis-1332 138 21 over over ADP fis-1332 138 22 2.5 2.5 NUM fis-1332 138 23 . . PUNCT fis-1332 139 1 and and CCONJ fis-1332 139 2 the the DET fis-1332 139 3 reflection reflection NOUN fis-1332 139 4 of of ADP fis-1332 139 5 the the DET fis-1332 139 6 characteristics characteristic NOUN fis-1332 139 7 of of ADP fis-1332 139 8 the the DET fis-1332 139 9 crack crack NOUN fis-1332 139 10 shape shape NOUN fis-1332 139 11 is be AUX fis-1332 139 12 not not PART fis-1332 139 13 obvious obvious ADJ fis-1332 139 14 . . PUNCT fis-1332 140 1 in in ADP fis-1332 140 2 the the DET fis-1332 140 3 grayscale grayscale NOUN fis-1332 140 4 image image NOUN fis-1332 140 5 , , PUNCT fis-1332 140 6 the the DET fis-1332 140 7 gray gray ADJ fis-1332 140 8 value value NOUN fis-1332 140 9 of of ADP fis-1332 140 10 the the DET fis-1332 140 11 crack crack NOUN fis-1332 140 12 area area NOUN fis-1332 140 13 is be AUX fis-1332 140 14 smaller small ADJ fis-1332 140 15 , , PUNCT fis-1332 140 16 while while SCONJ fis-1332 140 17 the the DET fis-1332 140 18 gray gray ADJ fis-1332 140 19 value value NOUN fis-1332 140 20 of of ADP fis-1332 140 21 the the DET fis-1332 140 22 external external ADJ fis-1332 140 23 rectangle rectangle NOUN fis-1332 140 24 becomes become VERB fis-1332 140 25 bigger big ADJ fis-1332 140 26 . . PUNCT fis-1332 141 1 the the DET fis-1332 141 2 differences difference NOUN fis-1332 141 3 between between ADP fis-1332 141 4 them they PRON fis-1332 141 5 are be AUX fis-1332 141 6 obvious obvious ADJ fis-1332 141 7 . . PUNCT fis-1332 142 1 and and CCONJ fis-1332 142 2 the the DET fis-1332 142 3 difference difference NOUN fis-1332 142 4 rate rate NOUN fis-1332 142 5 above above ADP fis-1332 142 6 30 30 NUM fis-1332 142 7 accounts account NOUN fis-1332 142 8 for for ADP fis-1332 142 9 85 85 NUM fis-1332 142 10 % % NOUN fis-1332 142 11 of of ADP fis-1332 142 12 the the DET fis-1332 142 13 total total NOUN fis-1332 142 14 . . PUNCT fis-1332 143 1 in in ADP fis-1332 143 2 accordance accordance NOUN fis-1332 143 3 with with ADP fis-1332 143 4 the the DET fis-1332 143 5 situation situation NOUN fis-1332 143 6 that that SCONJ fis-1332 143 7 some some DET fis-1332 143 8 real real ADJ fis-1332 143 9 cracks crack NOUN fis-1332 143 10 observed observe VERB fis-1332 143 11 are be AUX fis-1332 143 12 darker dark ADJ fis-1332 143 13 and and CCONJ fis-1332 143 14 the the DET fis-1332 143 15 background background NOUN fis-1332 143 16 color color NOUN fis-1332 143 17 is be AUX fis-1332 143 18 lighter light ADJ fis-1332 143 19 . . PUNCT fis-1332 144 1 but but CCONJ fis-1332 144 2 there there PRON fis-1332 144 3 are be VERB fis-1332 144 4 some some DET fis-1332 144 5 exceptions exception NOUN fis-1332 144 6 because because SCONJ fis-1332 144 7 of of ADP fis-1332 144 8 the the DET fis-1332 144 9 gray gray ADJ fis-1332 144 10 value value NOUN fis-1332 144 11 of of ADP fis-1332 144 12 the the DET fis-1332 144 13 closed closed ADJ fis-1332 144 14 segmentation segmentation NOUN fis-1332 144 15 . . PUNCT fis-1332 145 1 some some DET fis-1332 145 2 backgrounds background NOUN fis-1332 145 3 were be AUX fis-1332 145 4 closed close VERB fis-1332 145 5 to to ADP fis-1332 145 6 the the DET fis-1332 145 7 gray gray ADJ fis-1332 145 8 level level NOUN fis-1332 145 9 of of ADP fis-1332 145 10 the the DET fis-1332 145 11 cracks crack NOUN fis-1332 145 12 . . PUNCT fis-1332 146 1 the the DET fis-1332 146 2 crack crack NOUN fis-1332 146 3 has have AUX fis-1332 146 4 connected connect VERB fis-1332 146 5 into into ADP fis-1332 146 6 an an DET fis-1332 146 7 area area NOUN fis-1332 146 8 and and CCONJ fis-1332 146 9 expanded expand VERB fis-1332 146 10 the the DET fis-1332 146 11 crack crack NOUN fis-1332 146 12 area area NOUN fis-1332 146 13 , , PUNCT fis-1332 146 14 including include VERB fis-1332 146 15 a a DET fis-1332 146 16 small small ADJ fis-1332 146 17 amount amount NOUN fis-1332 146 18 of of ADP fis-1332 146 19 non non ADJ fis-1332 146 20 - - ADJ fis-1332 146 21 crack crack ADJ fis-1332 146 22 pixels pixel NOUN fis-1332 146 23 . . PUNCT fis-1332 147 1 the the DET fis-1332 147 2 average average ADJ fis-1332 147 3 gray gray NOUN fis-1332 147 4 of of ADP fis-1332 147 5 the the DET fis-1332 147 6 expanded expand VERB fis-1332 147 7 region region NOUN fis-1332 147 8 is be AUX fis-1332 147 9 higher high ADJ fis-1332 147 10 than than ADP fis-1332 147 11 the the DET fis-1332 147 12 original original ADJ fis-1332 147 13 average average ADJ fis-1332 147 14 gray gray NOUN fis-1332 147 15 of of ADP fis-1332 147 16 the the DET fis-1332 147 17 crack crack NOUN fis-1332 147 18 area area NOUN fis-1332 147 19 . . PUNCT fis-1332 148 1 this this PRON fis-1332 148 2 leads lead VERB fis-1332 148 3 to to ADP fis-1332 148 4 the the DET fis-1332 148 5 decline decline NOUN fis-1332 148 6 of of ADP fis-1332 148 7 the the DET fis-1332 148 8 grayscale grayscale NOUN fis-1332 148 9 difference difference NOUN fis-1332 148 10 . . PUNCT fis-1332 149 1 there there PRON fis-1332 149 2 is be VERB fis-1332 149 3 a a DET fis-1332 149 4 0 0 NUM fis-1332 149 5 value value NOUN fis-1332 149 6 generated generate VERB fis-1332 149 7 into into ADP fis-1332 149 8 the the DET fis-1332 149 9 calculation calculation NOUN fis-1332 149 10 results result VERB fis-1332 149 11 about about ADP fis-1332 149 12 the the DET fis-1332 149 13 image image NOUN fis-1332 149 14 ’s ’s PART fis-1332 149 15 feature feature NOUN fis-1332 149 16 quantity quantity NOUN fis-1332 149 17 . . PUNCT fis-1332 150 1 this this PRON fis-1332 150 2 is be AUX fis-1332 150 3 because because SCONJ fis-1332 150 4 several several ADJ fis-1332 150 5 complex complex ADJ fis-1332 150 6 image image NOUN fis-1332 150 7 processing processing NOUN fis-1332 150 8 results result NOUN fis-1332 150 9 are be AUX fis-1332 150 10 not not PART fis-1332 150 11 satisfactory satisfactory ADJ fis-1332 150 12 and and CCONJ fis-1332 150 13 the the DET fis-1332 150 14 cracks crack NOUN fis-1332 150 15 ’ ' PUNCT fis-1332 150 16 target target NOUN fis-1332 150 17 can can AUX fis-1332 150 18 not not PART fis-1332 150 19 be be AUX fis-1332 150 20 extracted extract VERB fis-1332 150 21 from from ADP fis-1332 150 22 the the DET fis-1332 150 23 image image NOUN fis-1332 150 24 . . PUNCT fis-1332 151 1 the the DET fis-1332 151 2 above above ADJ fis-1332 151 3 statistical statistical ADJ fis-1332 151 4 analysis analysis NOUN fis-1332 151 5 results result NOUN fis-1332 151 6 show show VERB fis-1332 151 7 that that SCONJ fis-1332 151 8 by by ADP fis-1332 151 9 selecting select VERB fis-1332 151 10 several several ADJ fis-1332 151 11 characteristic characteristic ADJ fis-1332 151 12 quantities quantity NOUN fis-1332 151 13 we we PRON fis-1332 151 14 can can AUX fis-1332 151 15 represent represent VERB fis-1332 151 16 the the DET fis-1332 151 17 shape shape NOUN fis-1332 151 18 and and CCONJ fis-1332 151 19 gray gray ADJ fis-1332 151 20 feature feature NOUN fis-1332 151 21 of of ADP fis-1332 151 22 the the DET fis-1332 151 23 crack crack NOUN fis-1332 151 24 area area NOUN fis-1332 151 25 . . PUNCT fis-1332 152 1 the the DET fis-1332 152 2 difference difference NOUN fis-1332 152 3 of of ADP fis-1332 152 4 the the DET fis-1332 152 5 external external ADJ fis-1332 152 6 ellipse ellipse NOUN fis-1332 152 7 is be AUX fis-1332 152 8 the the DET fis-1332 152 9 axis axis ADJ fis-1332 152 10 ratio ratio NOUN fis-1332 152 11 and and CCONJ fis-1332 152 12 the the DET fis-1332 152 13 range range NOUN fis-1332 152 14 ’s ’s PART fis-1332 152 15 gray gray ADJ fis-1332 152 16 average average ADJ fis-1332 152 17 value value NOUN fis-1332 152 18 . . PUNCT fis-1332 153 1 the the DET fis-1332 153 2 gist gist NOUN fis-1332 153 3 is be AUX fis-1332 153 4 that that SCONJ fis-1332 153 5 information information NOUN fis-1332 153 6 on on ADP fis-1332 153 7 the the DET fis-1332 153 8 cracks crack NOUN fis-1332 153 9 can can AUX fis-1332 153 10 be be AUX fis-1332 153 11 extracted extract VERB fis-1332 153 12 from from ADP fis-1332 153 13 the the DET fis-1332 153 14 image image NOUN fis-1332 153 15 tested test VERB fis-1332 153 16 for for ADP fis-1332 153 17 these these DET fis-1332 153 18 two two NUM fis-1332 153 19 characteristic characteristic ADJ fis-1332 153 20 quantities quantity NOUN fis-1332 153 21 . . PUNCT fis-1332 154 1 underwater underwater ADJ fis-1332 154 2 bridge bridge NOUN fis-1332 154 3 crack crack NOUN fis-1332 154 4 clip clip NOUN fis-1332 154 5 connection connection NOUN fis-1332 154 6 fter fter NOUN fis-1332 154 7 extracting extract VERB fis-1332 154 8 the the DET fis-1332 154 9 target target NOUN fis-1332 154 10 , , PUNCT fis-1332 154 11 we we PRON fis-1332 154 12 found find VERB fis-1332 154 13 the the DET fis-1332 154 14 target target NOUN fis-1332 154 15 was be AUX fis-1332 154 16 divided divide VERB fis-1332 154 17 into into ADP fis-1332 154 18 various various ADJ fis-1332 154 19 discontinuous discontinuous ADJ fis-1332 154 20 fragments fragment NOUN fis-1332 154 21 . . PUNCT fis-1332 155 1 this this PRON fis-1332 155 2 is be AUX fis-1332 155 3 in in ADP fis-1332 155 4 conformity conformity NOUN fis-1332 155 5 with with ADP fis-1332 155 6 reality reality NOUN fis-1332 155 7 . . PUNCT fis-1332 156 1 if if SCONJ fis-1332 156 2 the the DET fis-1332 156 3 connection connection NOUN fis-1332 156 4 is be AUX fis-1332 156 5 not not PART fis-1332 156 6 to to PART fis-1332 156 7 be be AUX fis-1332 156 8 restored restore VERB fis-1332 156 9 , , PUNCT fis-1332 156 10 it it PRON fis-1332 156 11 will will AUX fis-1332 156 12 affect affect VERB fis-1332 156 13 the the DET fis-1332 156 14 awareness awareness NOUN fis-1332 156 15 and and CCONJ fis-1332 156 16 application application NOUN fis-1332 156 17 of of ADP fis-1332 156 18 the the DET fis-1332 156 19 target target NOUN fis-1332 156 20 ’s ’s PART fis-1332 156 21 nature nature NOUN fis-1332 156 22 . . PUNCT fis-1332 157 1 therefore therefore ADV fis-1332 157 2 , , PUNCT fis-1332 157 3 connecting connect VERB fis-1332 157 4 the the DET fis-1332 157 5 fragments fragment NOUN fis-1332 157 6 is be AUX fis-1332 157 7 needed need VERB fis-1332 157 8 . . PUNCT fis-1332 158 1 establishment establishment NOUN fis-1332 158 2 model model NOUN fis-1332 158 3 n n CCONJ fis-1332 158 4 - - PUNCT fis-1332 158 5 th th X fis-1332 158 6   PROPN fis-1332 158 7 2n 2n PUNCT fis-1332 159 1   PROPN fis-1332 159 2 fracture fracture PROPN fis-1332 159 3 fragment fragment NOUN fis-1332 159 4 is be AUX fis-1332 159 5 assumed assume VERB fis-1332 159 6 to to PART fis-1332 159 7 be be AUX fis-1332 159 8 existed exist VERB fis-1332 159 9 after after ADP fis-1332 159 10 extracting extract VERB fis-1332 159 11 crack crack NOUN fis-1332 159 12 target target NOUN fis-1332 159 13 . . PUNCT fis-1332 160 1 the the DET fis-1332 160 2 fragments fragment NOUN fis-1332 160 3 belonging belong VERB fis-1332 160 4 to to ADP fis-1332 160 5 different different ADJ fis-1332 160 6 parts part NOUN fis-1332 160 7 of of ADP fis-1332 160 8 the the DET fis-1332 160 9 same same ADJ fis-1332 160 10 crack crack NOUN fis-1332 160 11 are be AUX fis-1332 160 12 on on ADP fis-1332 160 13 the the DET fis-1332 160 14 overall overall ADJ fis-1332 160 15 trend trend NOUN fis-1332 160 16 line line NOUN fis-1332 160 17 . . PUNCT fis-1332 161 1 they they PRON fis-1332 161 2 are be AUX fis-1332 161 3 ordered order VERB fis-1332 161 4 from from ADP fis-1332 161 5 left leave VERB fis-1332 161 6 to to ADP fis-1332 161 7 right right NOUN fis-1332 161 8 , , PUNCT fis-1332 161 9 top top NOUN fis-1332 161 10 to to ADP fis-1332 161 11 bottom bottom NOUN fis-1332 161 12 after after ADP fis-1332 161 13 marking mark VERB fis-1332 161 14 the the DET fis-1332 161 15 individual individual ADJ fis-1332 161 16 segment segment NOUN fis-1332 161 17 . . PUNCT fis-1332 162 1 the the DET fis-1332 162 2 leftmost leftmost PROPN fis-1332 162 3 , , PUNCT fis-1332 162 4 upwards upwards ADV fis-1332 162 5 of of ADP fis-1332 162 6 the the DET fis-1332 162 7 left left ADJ fis-1332 162 8 endpoint endpoint NOUN fis-1332 162 9 area area NOUN fis-1332 162 10 , , PUNCT fis-1332 162 11 are be AUX fis-1332 162 12 defined define VERB fis-1332 162 13 as as ADP fis-1332 162 14 the the DET fis-1332 162 15 1 1 NUM fis-1332 162 16 - - PUNCT fis-1332 162 17 th th NUM fis-1332 162 18 section section NOUN fis-1332 162 19 fragments fragment NOUN fis-1332 162 20 . . PUNCT fis-1332 163 1 the the DET fis-1332 163 2 rightmost rightmost NOUN fis-1332 163 3 , , PUNCT fis-1332 163 4 downwards downward NOUN fis-1332 163 5 , , PUNCT fis-1332 163 6 are be AUX fis-1332 163 7 defined define VERB fis-1332 163 8 as as ADP fis-1332 163 9 the the DET fis-1332 163 10 n n CCONJ fis-1332 163 11 - - PUNCT fis-1332 163 12 th th NOUN fis-1332 163 13 section section NOUN fis-1332 163 14 fragments fragment NOUN fis-1332 163 15 . . PUNCT fis-1332 164 1 set set VERB fis-1332 164 2 a a DET fis-1332 164 3 simple simple ADJ fis-1332 164 4 model model NOUN fis-1332 164 5 shown show VERB fis-1332 164 6 as as ADP fis-1332 164 7 fig fig NOUN fis-1332 164 8 . . PUNCT fis-1332 165 1 5 5 NUM fis-1332 165 2 ( ( PUNCT fis-1332 165 3 a a NOUN fis-1332 165 4 ) ) PUNCT fis-1332 165 5 . . PUNCT fis-1332 166 1 ( ( PUNCT fis-1332 166 2 a a X fis-1332 166 3 ) ) PUNCT fis-1332 166 4 ( ( PUNCT fis-1332 166 5 b b X fis-1332 166 6 ) ) PUNCT fis-1332 166 7 figure figure NOUN fis-1332 166 8 5 5 NUM fis-1332 166 9 : : PUNCT fis-1332 166 10 ( ( PUNCT fis-1332 166 11 a a X fis-1332 166 12 ) ) PUNCT fis-1332 166 13 location location NOUN fis-1332 166 14 model model NOUN fis-1332 166 15 ; ; PUNCT fis-1332 166 16 ( ( PUNCT fis-1332 166 17 b b X fis-1332 166 18 ) ) PUNCT fis-1332 166 19 connecting connect VERB fis-1332 166 20 model model NOUN fis-1332 166 21 of of ADP fis-1332 166 22 the the DET fis-1332 166 23 crack crack NOUN fis-1332 166 24 fragment fragment NOUN fis-1332 166 25 ’s ’s PART fis-1332 166 26 endpoint endpoint VERB fis-1332 166 27 a a DET fis-1332 166 28 w. w. PROPN fis-1332 166 29 tao tao PROPN fis-1332 166 30 et et PROPN fis-1332 166 31 alii alii PROPN fis-1332 166 32 , , PUNCT fis-1332 166 33 frattura frattura PROPN fis-1332 166 34 ed ed PROPN fis-1332 166 35 integrità integrità PROPN fis-1332 166 36 strutturale strutturale PROPN fis-1332 166 37 , , PUNCT fis-1332 166 38 30 30 NUM fis-1332 166 39 ( ( PUNCT fis-1332 166 40 2014 2014 NUM fis-1332 166 41 ) ) PUNCT fis-1332 166 42 537 537 NUM fis-1332 166 43 - - SYM fis-1332 166 44 544 544 NUM fis-1332 166 45 ; ; PUNCT fis-1332 166 46 doi doi NOUN fis-1332 166 47 : : PUNCT fis-1332 166 48 10.3221 10.3221 NUM fis-1332 166 49 / / SYM fis-1332 166 50 igf igf NOUN fis-1332 166 51 - - NOUN fis-1332 166 52 esis.30.64 esis.30.64 PROPN fis-1332 166 53 543 543 NUM fis-1332 166 54 the the DET fis-1332 166 55 regions region NOUN fis-1332 166 56 a a DET fis-1332 166 57 , , PUNCT fis-1332 166 58 b b NOUN fis-1332 166 59 , , PUNCT fis-1332 166 60 c c NOUN fis-1332 166 61 , , PUNCT fis-1332 166 62 d d NOUN fis-1332 166 63 , , PUNCT fis-1332 166 64 e e NOUN fis-1332 166 65 , , PUNCT fis-1332 166 66 f f PROPN fis-1332 166 67 , , PUNCT fis-1332 166 68 g g PROPN fis-1332 166 69 , , PUNCT fis-1332 166 70 h h NOUN fis-1332 166 71 , , PUNCT fis-1332 166 72 i i PRON fis-1332 166 73 represent represent VERB fis-1332 166 74 the the DET fis-1332 166 75 fracture fracture NOUN fis-1332 166 76 fragments fragment NOUN fis-1332 166 77 after after ADP fis-1332 166 78 extraction extraction NOUN fis-1332 166 79 . . PUNCT fis-1332 167 1 their their PRON fis-1332 167 2 positional positional ADJ fis-1332 167 3 relationship relationship NOUN fis-1332 167 4 between between ADP fis-1332 167 5 endpoints endpoint NOUN fis-1332 167 6 corresponds correspond VERB fis-1332 167 7 to to ADP fis-1332 167 8 0 0 NUM fis-1332 167 9 , , PUNCT fis-1332 167 10 1 1 NUM fis-1332 167 11 , , PUNCT fis-1332 167 12 2 2 NUM fis-1332 167 13 , , PUNCT fis-1332 167 14 3 3 NUM fis-1332 167 15 , , PUNCT fis-1332 167 16 4 4 NUM fis-1332 167 17 , , PUNCT fis-1332 167 18 5 5 NUM fis-1332 167 19 , , PUNCT fis-1332 167 20 6 6 NUM fis-1332 167 21 , , PUNCT fis-1332 167 22 7 7 NUM fis-1332 167 23 , , PUNCT fis-1332 167 24 8 8 NUM fis-1332 167 25 in in ADP fis-1332 167 26 fig fig NOUN fis-1332 167 27 . . PUNCT fis-1332 168 1 5 5 NUM fis-1332 168 2 ( ( PUNCT fis-1332 168 3 b b NOUN fis-1332 168 4 ) ) PUNCT fis-1332 168 5 . . PUNCT fis-1332 169 1 set set VERB fis-1332 169 2 a a DET fis-1332 169 3   NOUN fis-1332 169 4 ,xa ,xa PUNCT fis-1332 169 5 ya ya PROPN fis-1332 169 6 as as ADP fis-1332 169 7 the the DET fis-1332 169 8 right right ADJ fis-1332 169 9 end end NOUN fis-1332 169 10 point point NOUN fis-1332 169 11 coordinates coordinate NOUN fis-1332 169 12 . . PUNCT fis-1332 170 1 the the DET fis-1332 170 2 coordinates coordinate NOUN fis-1332 170 3 closed close VERB fis-1332 170 4 to to ADP fis-1332 170 5 the the DET fis-1332 170 6 left left ADJ fis-1332 170 7 end end NOUN fis-1332 170 8 point point NOUN fis-1332 170 9 b b PROPN fis-1332 170 10 , , PUNCT fis-1332 170 11 c c NOUN fis-1332 170 12 , , PUNCT fis-1332 170 13 d d NOUN fis-1332 170 14 , , PUNCT fis-1332 170 15 e e NOUN fis-1332 170 16 , , PUNCT fis-1332 170 17 f f PROPN fis-1332 170 18 , , PUNCT fis-1332 170 19 g g PROPN fis-1332 170 20 , , PUNCT fis-1332 170 21 h h NOUN fis-1332 170 22 , , PUNCT fis-1332 170 23 i i PRON fis-1332 170 24 is be AUX fis-1332 170 25 , , PUNCT fis-1332 170 26   PROPN fis-1332 170 27 ,xb ,xb X fis-1332 170 28 yb yb PROPN fis-1332 170 29 , , PUNCT fis-1332 170 30   PROPN fis-1332 170 31 ,xc ,xc NUM fis-1332 170 32 yc yc NOUN fis-1332 170 33 , , PUNCT fis-1332 170 34   PROPN fis-1332 170 35 ,xd ,xd NOUN fis-1332 170 36 yd yd NOUN fis-1332 170 37 , , PUNCT fis-1332 170 38   NOUN fis-1332 170 39 ,xe ,xe VERB fis-1332 170 40 ye ye NUM fis-1332 170 41 , , PUNCT fis-1332 170 42   PROPN fis-1332 170 43 ,xf ,xf ADP fis-1332 170 44 yf yf NOUN fis-1332 170 45 , , PUNCT fis-1332 170 46   PROPN fis-1332 170 47 ,xg ,xg NOUN fis-1332 170 48 yg yg PROPN fis-1332 170 49 , , PUNCT fis-1332 170 50   PROPN fis-1332 171 1 ,xh ,xh INTJ fis-1332 171 2 yh yh INTJ fis-1332 171 3 , , PUNCT fis-1332 171 4   PROPN fis-1332 171 5 ,xi ,xi PUNCT fis-1332 171 6 yi yi PROPN fis-1332 171 7 , , PUNCT fis-1332 171 8 respectively respectively ADV fis-1332 171 9 . . PUNCT fis-1332 172 1 set set VERB fis-1332 172 2 a a PRON fis-1332 172 3 to to PART fis-1332 172 4 represent represent VERB fis-1332 172 5 i i PRON fis-1332 172 6 -th -th NOUN fis-1332 172 7 fragment fragment NOUN fis-1332 172 8 , , PUNCT fis-1332 172 9 i i PRON fis-1332 172 10 , , PUNCT fis-1332 172 11 b b PROPN fis-1332 172 12 , , PUNCT fis-1332 172 13 c c NOUN fis-1332 172 14 , , PUNCT fis-1332 172 15 d d NOUN fis-1332 172 16 , , PUNCT fis-1332 172 17 e e NOUN fis-1332 172 18 , , PUNCT fis-1332 172 19 f f PROPN fis-1332 172 20 , , PUNCT fis-1332 172 21 g g PROPN fis-1332 172 22 , , PUNCT fis-1332 172 23 h h NOUN fis-1332 172 24 , , PUNCT fis-1332 172 25 i. i. NOUN fis-1332 172 26 this this PRON fis-1332 172 27 means mean VERB fis-1332 172 28 that that SCONJ fis-1332 172 29 the the DET fis-1332 172 30   PROPN fis-1332 172 31 1i 1i PUNCT fis-1332 172 32   X fis-1332 172 33 -th -th PUNCT fis-1332 172 34 has have VERB fis-1332 172 35 8 8 NUM fis-1332 172 36 representative representative ADJ fis-1332 172 37 kinds kind NOUN fis-1332 172 38 of of ADP fis-1332 172 39 fragment fragment NOUN fis-1332 172 40 with with ADP fis-1332 172 41 a a DET fis-1332 172 42 certain certain ADJ fis-1332 172 43 position position NOUN fis-1332 172 44 of of ADP fis-1332 172 45 a a DET fis-1332 172 46 respectively respectively ADV fis-1332 172 47 . . PUNCT fis-1332 173 1 the the DET fis-1332 173 2 connection connection NOUN fis-1332 173 3 procedure procedure NOUN fis-1332 173 4 of of ADP fis-1332 173 5 the the DET fis-1332 173 6 fragments fragment NOUN fis-1332 173 7 a a PRON fis-1332 173 8 and and CCONJ fis-1332 173 9 b b NOUN fis-1332 173 10 is be AUX fis-1332 173 11 described describe VERB fis-1332 173 12 as as ADP fis-1332 173 13 below below ADV fis-1332 173 14 . . PUNCT fis-1332 174 1 the the DET fis-1332 174 2 connection connection NOUN fis-1332 174 3 process process NOUN fis-1332 174 4 of of ADP fis-1332 174 5 a a DET fis-1332 174 6 , , PUNCT fis-1332 174 7 c c NOUN fis-1332 174 8 , , PUNCT fis-1332 174 9 d d NOUN fis-1332 174 10 , , PUNCT fis-1332 174 11 e e NOUN fis-1332 174 12 , , PUNCT fis-1332 174 13 f f PROPN fis-1332 174 14 , , PUNCT fis-1332 174 15 g g PROPN fis-1332 174 16 , , PUNCT fis-1332 174 17 h h NOUN fis-1332 174 18 , , PUNCT fis-1332 174 19 i i PRON fis-1332 174 20 is be AUX fis-1332 174 21 similar similar ADJ fis-1332 174 22 . . PUNCT fis-1332 175 1 b b NOUN fis-1332 175 2 is be AUX fis-1332 175 3 located locate VERB fis-1332 175 4 right right ADV fis-1332 175 5 of of ADP fis-1332 175 6 a. a. NOUN fis-1332 175 7 a a PROPN fis-1332 175 8 and and CCONJ fis-1332 175 9 b b NOUN fis-1332 175 10 match match NOUN fis-1332 175 11 so so SCONJ fis-1332 175 12 that that SCONJ fis-1332 175 13 : : PUNCT fis-1332 175 14 , , PUNCT fis-1332 175 15 xb xb PROPN fis-1332 176 1 xa xa PROPN fis-1332 177 1 yb yb PROPN fis-1332 178 1 ya ya PROPN fis-1332 178 2   PROPN fis-1332 178 3 1 1 X fis-1332 178 4 ) ) PUNCT fis-1332 178 5 the the DET fis-1332 178 6 right right ADJ fis-1332 178 7 endpoint endpoint NOUN fis-1332 178 8 of of ADP fis-1332 178 9 segment segment NOUN fis-1332 178 10 a a PRON fis-1332 178 11 ( ( PUNCT fis-1332 178 12 the the DET fis-1332 178 13 rightmost rightmost ADJ fis-1332 178 14 column column NOUN fis-1332 178 15 a a X fis-1332 178 16 , , PUNCT fis-1332 178 17 from from ADP fis-1332 178 18 the the DET fis-1332 178 19 top top NOUN fis-1332 178 20 down down ADP fis-1332 178 21 , , PUNCT fis-1332 178 22 the the DET fis-1332 178 23 first first ADJ fis-1332 178 24 non non ADJ fis-1332 178 25 - - ADJ fis-1332 178 26 zero zero NUM fis-1332 178 27 pixel pixel NOUN fis-1332 178 28 ) ) PUNCT fis-1332 178 29 is be AUX fis-1332 178 30 obtained obtain VERB fis-1332 178 31 by by ADP fis-1332 178 32 coordinates coordinate NOUN fis-1332 178 33   PROPN fis-1332 179 1 ,xa ,xa PROPN fis-1332 179 2 ya ya INTJ fis-1332 179 3 . . PUNCT fis-1332 180 1 and and CCONJ fis-1332 180 2 the the DET fis-1332 180 3 left left ADJ fis-1332 180 4 endpoint endpoint NOUN fis-1332 180 5 of of ADP fis-1332 180 6 b b PROPN fis-1332 180 7 ( ( PUNCT fis-1332 180 8 the the DET fis-1332 180 9 leftmost leftmost PROPN fis-1332 180 10 column column NOUN fis-1332 180 11 b b PROPN fis-1332 180 12 , , PUNCT fis-1332 180 13 from from ADP fis-1332 180 14 the the DET fis-1332 180 15 top top NOUN fis-1332 180 16 down down ADP fis-1332 180 17 , , PUNCT fis-1332 180 18 the the DET fis-1332 180 19 first first ADJ fis-1332 180 20 non non ADJ fis-1332 180 21 - - ADJ fis-1332 180 22 zero zero NUM fis-1332 180 23 pixel pixel NOUN fis-1332 180 24 ) ) PUNCT fis-1332 180 25 is be AUX fis-1332 180 26 obtained obtain VERB fis-1332 180 27 through through ADP fis-1332 180 28 coordinates coordinate NOUN fis-1332 180 29   PROPN fis-1332 180 30 ,xb ,xb X fis-1332 180 31 yb yb PROPN fis-1332 180 32 . . PUNCT fis-1332 181 1 the the DET fis-1332 181 2 following follow VERB fis-1332 181 3 method method NOUN fis-1332 181 4 of of ADP fis-1332 181 5 defining define VERB fis-1332 181 6 the the DET fis-1332 181 7 left left ADJ fis-1332 181 8 and and CCONJ fis-1332 181 9 right right ADJ fis-1332 181 10 endpoints endpoint NOUN fis-1332 181 11 of of ADP fis-1332 181 12 each each DET fis-1332 181 13 fragment fragment NOUN fis-1332 181 14 is be AUX fis-1332 181 15 similar similar ADJ fis-1332 181 16 to to ADP fis-1332 181 17 that that PRON fis-1332 181 18 for for ADP fis-1332 181 19 defining define VERB fis-1332 181 20 the the DET fis-1332 181 21 left left ADJ fis-1332 181 22 and and CCONJ fis-1332 181 23 right right ADJ fis-1332 181 24 endpoints endpoint NOUN fis-1332 181 25 of of ADP fis-1332 181 26 each each DET fis-1332 181 27 fragment fragment NOUN fis-1332 181 28 . . PUNCT fis-1332 182 1 2 2 X fis-1332 182 2 ) ) PUNCT fis-1332 182 3 the the DET fis-1332 182 4 coordinate coordinate NOUN fis-1332 182 5 difference difference NOUN fis-1332 182 6 is be AUX fis-1332 182 7 calculated calculate VERB fis-1332 182 8 : : PUNCT fis-1332 183 1 d d X fis-1332 183 2 yb yb ADP fis-1332 183 3 ya ya PROPN fis-1332 183 4   PROPN fis-1332 183 5 ; ; PUNCT fis-1332 183 6 e e PROPN fis-1332 183 7 xa xa PROPN fis-1332 183 8 xb xb PROPN fis-1332 183 9   PROPN fis-1332 183 10 and and CCONJ fis-1332 183 11 0d 0d NOUN fis-1332 183 12   PROPN fis-1332 183 13 , , PUNCT fis-1332 183 14 0e 0e PROPN fis-1332 183 15   PRON fis-1332 183 16 , , PUNCT fis-1332 183 17 so so ADV fis-1332 183 18 d d X fis-1332 183 19 e e NOUN fis-1332 183 20 . . PUNCT fis-1332 184 1 3 3 X fis-1332 184 2 ) ) PUNCT fis-1332 184 3 it it PRON fis-1332 184 4 proceeds proceed VERB fis-1332 184 5 along along ADP fis-1332 184 6 a a DET fis-1332 184 7 route route NOUN fis-1332 184 8 from from ADP fis-1332 184 9   NOUN fis-1332 185 1 ,xa ,xa PROPN fis-1332 186 1 ya ya PROPN fis-1332 186 2 . . PUNCT fis-1332 187 1 and and CCONJ fis-1332 187 2 1 1 NUM fis-1332 187 3 is be AUX fis-1332 187 4 close close ADJ fis-1332 187 5 to to ADP fis-1332 187 6   PROPN fis-1332 188 1 ,xb ,xb X fis-1332 188 2 yb yb PROPN fis-1332 188 3 . . PUNCT fis-1332 189 1 the the DET fis-1332 189 2 pixel pixel PROPN fis-1332 189 3 value value NOUN fis-1332 189 4 of of ADP fis-1332 189 5 the the DET fis-1332 189 6 blank blank NOUN fis-1332 189 7 during during ADP fis-1332 189 8 the the DET fis-1332 189 9 route route NOUN fis-1332 189 10 is be AUX fis-1332 189 11 set set VERB fis-1332 189 12 as as ADP fis-1332 189 13 1 1 NUM fis-1332 189 14 . . PUNCT fis-1332 189 15 route route NOUN fis-1332 189 16 1 1 NUM fis-1332 189 17 : : PUNCT fis-1332 189 18   PROPN fis-1332 189 19   PROPN fis-1332 189 20 , , PUNCT fis-1332 189 21 1xa 1xa ADJ fis-1332 189 22 ya ya PRON fis-1332 189 23   ADV fis-1332 189 24 ▁ ▁ X fis-1332 190 1   PROPN fis-1332 190 2   PROPN fis-1332 190 3 , , PUNCT fis-1332 190 4 2xa 2xa NOUN fis-1332 190 5 ya ya PRON fis-1332 190 6   PROPN fis-1332 190 7 ▁ ▁ X fis-1332 190 8   PROPN fis-1332 190 9   PROPN fis-1332 190 10 , , PUNCT fis-1332 190 11 3xa 3xa ADJ fis-1332 190 12 ya ya PRON fis-1332 190 13   ADV fis-1332 190 14 ▁ ▁ X fis-1332 190 15   PROPN fis-1332 190 16   PROPN fis-1332 190 17 , , PUNCT fis-1332 190 18 4xa 4xa PROPN fis-1332 190 19 ya ya PROPN fis-1332 190 20   ADV fis-1332 190 21   PROPN fis-1332 190 22   PROPN fis-1332 190 23 , , PUNCT fis-1332 190 24 1 1 NUM fis-1332 190 25 1xa 1xa NOUN fis-1332 190 26 ya ya PRON fis-1332 190 27   VERB fis-1332 190 28   NUM fis-1332 190 29 ; ; PUNCT fis-1332 190 30   PROPN fis-1332 190 31   PROPN fis-1332 190 32 , , PUNCT fis-1332 190 33 2 2 NUM fis-1332 190 34 1xa 1xa NOUN fis-1332 190 35 ya ya PRON fis-1332 190 36   ADV fis-1332 190 37   NUM fis-1332 190 38 ; ; PUNCT fis-1332 190 39   PROPN fis-1332 190 40   PROPN fis-1332 190 41 , , PUNCT fis-1332 190 42 3 3 NUM fis-1332 190 43 1xa 1xa NOUN fis-1332 190 44 ya ya PRON fis-1332 190 45   ADV fis-1332 190 46   NUM fis-1332 190 47 ; ; PUNCT fis-1332 190 48   PROPN fis-1332 190 49   PROPN fis-1332 190 50 , , PUNCT fis-1332 190 51 4 4 NUM fis-1332 190 52 1xa 1xa NOUN fis-1332 190 53 ya ya PRON fis-1332 190 54   ADV fis-1332 190 55   ADV fis-1332 191 1 likewise likewise ADV fis-1332 191 2 , , PUNCT fis-1332 191 3 it it PRON fis-1332 191 4 is be AUX fis-1332 191 5 the the DET fis-1332 191 6 same same ADJ fis-1332 191 7 to to ADP fis-1332 191 8   PROPN fis-1332 191 9 ,xb ,xb PUNCT fis-1332 191 10 yb yb PROPN fis-1332 191 11 . . PUNCT fis-1332 192 1 4 4 X fis-1332 192 2 ) ) PUNCT fis-1332 192 3 reach reach VERB fis-1332 192 4 example example NOUN fis-1332 192 5 verification verification NOUN fis-1332 192 6 the the DET fis-1332 192 7 cracks crack NOUN fis-1332 192 8 have have AUX fis-1332 192 9 been be AUX fis-1332 192 10 divided divide VERB fis-1332 192 11 into into ADP fis-1332 192 12 several several ADJ fis-1332 192 13 segments segment NOUN fis-1332 192 14 for for ADP fis-1332 192 15 verifying verify VERB fis-1332 192 16 the the DET fis-1332 192 17 fracture fracture NOUN fis-1332 192 18 fragment fragment NOUN fis-1332 192 19 through through ADP fis-1332 192 20 the the DET fis-1332 192 21 connecting connect VERB fis-1332 192 22 algorithm algorithm NOUN fis-1332 192 23 , , PUNCT fis-1332 192 24 as as SCONJ fis-1332 192 25 shown show VERB fis-1332 192 26 in in ADP fis-1332 192 27 fig fig NOUN fis-1332 192 28 . . PUNCT fis-1332 193 1 6 6 NUM fis-1332 193 2 ( ( PUNCT fis-1332 193 3 a a NOUN fis-1332 193 4 ) ) PUNCT fis-1332 193 5 . . PUNCT fis-1332 194 1 the the DET fis-1332 194 2 fracture fracture NOUN fis-1332 194 3 fragments fragment VERB fis-1332 194 4 algorithm algorithm NOUN fis-1332 194 5 is be AUX fis-1332 194 6 connected connect VERB fis-1332 194 7 with with ADP fis-1332 194 8 the the DET fis-1332 194 9 neighboring neighboring NOUN fis-1332 194 10 fragments fragment NOUN fis-1332 194 11 . . PUNCT fis-1332 195 1 the the DET fis-1332 195 2 connection connection NOUN fis-1332 195 3 results result NOUN fis-1332 195 4 are be AUX fis-1332 195 5 shown show VERB fis-1332 195 6 in in ADP fis-1332 195 7 fig fig NOUN fis-1332 195 8 . . PUNCT fis-1332 196 1 6 6 NUM fis-1332 196 2 ( ( PUNCT fis-1332 196 3 b b NOUN fis-1332 196 4 ) ) PUNCT fis-1332 196 5 . . PUNCT fis-1332 197 1 ( ( PUNCT fis-1332 197 2 a a X fis-1332 197 3 ) ) PUNCT fis-1332 197 4 ( ( PUNCT fis-1332 197 5 b b X fis-1332 197 6 ) ) PUNCT fis-1332 197 7 figure figure NOUN fis-1332 197 8 6 6 NUM fis-1332 197 9 : : PUNCT fis-1332 197 10 ( ( PUNCT fis-1332 197 11 a a X fis-1332 197 12 ) ) PUNCT fis-1332 197 13 crack crack VERB fis-1332 197 14 fragment fragment NOUN fis-1332 197 15 image image NOUN fis-1332 197 16 ; ; PUNCT fis-1332 197 17 ( ( PUNCT fis-1332 197 18 b b X fis-1332 197 19 ) ) PUNCT fis-1332 197 20 crack crack VERB fis-1332 197 21 fragment fragment NOUN fis-1332 197 22 after after ADP fis-1332 197 23 connection connection NOUN fis-1332 197 24 we we PRON fis-1332 197 25 can can AUX fis-1332 197 26 see see VERB fis-1332 197 27 that that SCONJ fis-1332 197 28 it it PRON fis-1332 197 29 is be AUX fis-1332 197 30 correct correct ADJ fis-1332 197 31 and and CCONJ fis-1332 197 32 effective effective ADJ fis-1332 197 33 to to PART fis-1332 197 34 apply apply VERB fis-1332 197 35 the the DET fis-1332 197 36 algorithm algorithm NOUN fis-1332 197 37 in in ADP fis-1332 197 38 connecting connect VERB fis-1332 197 39 the the DET fis-1332 197 40 fracture fracture NOUN fis-1332 197 41 fragments fragment NOUN fis-1332 197 42 . . PUNCT fis-1332 198 1 the the DET fis-1332 198 2 connection connection NOUN fis-1332 198 3 of of ADP fis-1332 198 4 various various ADJ fis-1332 198 5 pieces piece NOUN fis-1332 198 6 of of ADP fis-1332 198 7 fragments fragment NOUN fis-1332 198 8 in in ADP fis-1332 198 9 the the DET fis-1332 198 10 image image NOUN fis-1332 198 11 forms form VERB fis-1332 198 12 a a DET fis-1332 198 13 connected connected ADJ fis-1332 198 14 area area NOUN fis-1332 198 15 . . PUNCT fis-1332 199 1 this this DET fis-1332 199 2 paper paper NOUN fis-1332 199 3 contributes contribute VERB fis-1332 199 4 to to ADP fis-1332 199 5 testing test VERB fis-1332 199 6 the the DET fis-1332 199 7 crack crack NOUN fis-1332 199 8 developments development NOUN fis-1332 199 9 and and CCONJ fis-1332 199 10 simplifying simplify VERB fis-1332 199 11 calculation calculation NOUN fis-1332 199 12 for for ADP fis-1332 199 13 the the DET fis-1332 199 14 characteristic characteristic ADJ fis-1332 199 15 quantities quantity NOUN fis-1332 199 16 of of ADP fis-1332 199 17 crack crack NOUN fis-1332 199 18 targets target NOUN fis-1332 199 19 . . PUNCT fis-1332 200 1 w. w. PROPN fis-1332 200 2 tao tao PROPN fis-1332 200 3 et et PROPN fis-1332 200 4 alii alii PROPN fis-1332 200 5 , , PUNCT fis-1332 200 6 frattura frattura PROPN fis-1332 200 7 ed ed PROPN fis-1332 200 8 integrità integrità PROPN fis-1332 200 9 strutturale strutturale PROPN fis-1332 200 10 , , PUNCT fis-1332 200 11 30 30 NUM fis-1332 200 12 ( ( PUNCT fis-1332 200 13 2014 2014 NUM fis-1332 200 14 ) ) PUNCT fis-1332 200 15 537 537 NUM fis-1332 200 16 - - SYM fis-1332 200 17 544 544 NUM fis-1332 200 18 ; ; PUNCT fis-1332 200 19 doi doi NOUN fis-1332 200 20 : : PUNCT fis-1332 200 21 10.3221 10.3221 NUM fis-1332 200 22 / / SYM fis-1332 200 23 igf igf NOUN fis-1332 200 24 - - ADJ fis-1332 200 25 esis.30.64 esis.30.64 PROPN fis-1332 200 26 544 544 NUM fis-1332 200 27 conclusions conclusion NOUN fis-1332 200 28 irstly irstly ADV fis-1332 200 29 , , PUNCT fis-1332 200 30 this this DET fis-1332 200 31 paper paper NOUN fis-1332 200 32 collects collect VERB fis-1332 200 33 crack crack NOUN fis-1332 200 34 images image NOUN fis-1332 200 35 to to PART fis-1332 200 36 conduct conduct VERB fis-1332 200 37 spatial spatial ADJ fis-1332 200 38 filtering filtering NOUN fis-1332 200 39 after after ADP fis-1332 200 40 graying gray VERB fis-1332 200 41 and and CCONJ fis-1332 200 42 enhancing enhance VERB fis-1332 200 43 the the DET fis-1332 200 44 images image NOUN fis-1332 200 45 with with ADP fis-1332 200 46 the the DET fis-1332 200 47 neighborhood neighborhood NOUN fis-1332 200 48 average average ADJ fis-1332 200 49 method method NOUN fis-1332 200 50 . . PUNCT fis-1332 201 1 then then ADV fis-1332 201 2 it it PRON fis-1332 201 3 performs perform VERB fis-1332 201 4 gray gray ADJ fis-1332 201 5 - - PUNCT fis-1332 201 6 level level NOUN fis-1332 201 7 threshold threshold NOUN fis-1332 201 8 segmentation segmentation NOUN fis-1332 201 9 combined combine VERB fis-1332 201 10 with with ADP fis-1332 201 11 the the DET fis-1332 201 12 iterative iterative NOUN fis-1332 201 13 method method NOUN fis-1332 201 14 . . PUNCT fis-1332 202 1 finally finally ADV fis-1332 202 2 , , PUNCT fis-1332 202 3 information information NOUN fis-1332 202 4 on on ADP fis-1332 202 5 the the DET fis-1332 202 6 cracks crack NOUN fis-1332 202 7 is be AUX fis-1332 202 8 extracted extract VERB fis-1332 202 9 based base VERB fis-1332 202 10 on on ADP fis-1332 202 11 the the DET fis-1332 202 12 underwater underwater ADJ fis-1332 202 13 images image NOUN fis-1332 202 14 of of ADP fis-1332 202 15 the the DET fis-1332 202 16 bridge bridge NOUN fis-1332 202 17 . . PUNCT fis-1332 203 1 our our PRON fis-1332 203 2 aim aim NOUN fis-1332 203 3 is be AUX fis-1332 203 4 to to PART fis-1332 203 5 identify identify VERB fis-1332 203 6 the the DET fis-1332 203 7 areas area NOUN fis-1332 203 8 of of ADP fis-1332 203 9 cracks crack NOUN fis-1332 203 10 in in ADP fis-1332 203 11 the the DET fis-1332 203 12 image image NOUN fis-1332 203 13 and and CCONJ fis-1332 203 14 obtain obtain VERB fis-1332 203 15 the the DET fis-1332 203 16 parameters parameter NOUN fis-1332 203 17 of of ADP fis-1332 203 18 the the DET fis-1332 203 19 cracking crack VERB fis-1332 203 20 region region NOUN fis-1332 203 21 , , PUNCT fis-1332 203 22 such such ADJ fis-1332 203 23 as as ADP fis-1332 203 24 area area NOUN fis-1332 203 25 , , PUNCT fis-1332 203 26 length length NOUN fis-1332 203 27 , , PUNCT fis-1332 203 28 width width ADJ fis-1332 203 29 and and CCONJ fis-1332 203 30 perimeter perimeter NOUN fis-1332 203 31 . . PUNCT fis-1332 204 1 this this DET fis-1332 204 2 paper paper NOUN fis-1332 204 3 , , PUNCT fis-1332 204 4 therefore therefore ADV fis-1332 204 5 , , PUNCT fis-1332 204 6 extracts extract NOUN fis-1332 204 7 and and CCONJ fis-1332 204 8 inspects inspect VERB fis-1332 204 9 the the DET fis-1332 204 10 crack crack NOUN fis-1332 204 11 parameters parameter NOUN fis-1332 204 12 as as SCONJ fis-1332 204 13 follows follow VERB fis-1332 204 14 . . PUNCT fis-1332 205 1 the the DET fis-1332 205 2 circularity circularity NOUN fis-1332 205 3 of of ADP fis-1332 205 4 the the DET fis-1332 205 5 crack crack NOUN fis-1332 205 6 target target NOUN fis-1332 205 7 is be AUX fis-1332 205 8 small small ADJ fis-1332 205 9 ; ; PUNCT fis-1332 205 10 the the DET fis-1332 205 11 major major ADJ fis-1332 205 12 - - PUNCT fis-1332 205 13 minor minor ADJ fis-1332 205 14 axis axis NOUN fis-1332 205 15 ratio ratio NOUN fis-1332 205 16 of of ADP fis-1332 205 17 the the DET fis-1332 205 18 external external ADJ fis-1332 205 19 ellipse ellipse NOUN fis-1332 205 20 is be AUX fis-1332 205 21 large large ADJ fis-1332 205 22 . . PUNCT fis-1332 206 1 the the DET fis-1332 206 2 crack crack PROPN fis-1332 206 3 area area NOUN fis-1332 206 4 ’s ’s PART fis-1332 206 5 grayscale grayscale NOUN fis-1332 206 6 average average NOUN fis-1332 206 7 is be AUX fis-1332 206 8 smaller small ADJ fis-1332 206 9 in in ADP fis-1332 206 10 the the DET fis-1332 206 11 grayscale grayscale NOUN fis-1332 206 12 images image NOUN fis-1332 206 13 , , PUNCT fis-1332 206 14 while while SCONJ fis-1332 206 15 the the DET fis-1332 206 16 external external ADJ fis-1332 206 17 rectangle rectangle NOUN fis-1332 206 18 ’s ’s PART fis-1332 206 19 grayscale grayscale NOUN fis-1332 206 20 average average NOUN fis-1332 206 21 is be AUX fis-1332 206 22 larger large ADJ fis-1332 206 23 . . PUNCT fis-1332 207 1 0 0 NUM fis-1332 207 2 value value NOUN fis-1332 207 3 is be AUX fis-1332 207 4 generated generate VERB fis-1332 207 5 in in ADP fis-1332 207 6 the the DET fis-1332 207 7 calculation calculation NOUN fis-1332 207 8 results result NOUN fis-1332 207 9 of of ADP fis-1332 207 10 the the DET fis-1332 207 11 characteristic characteristic ADJ fis-1332 207 12 quantities quantity NOUN fis-1332 207 13 . . PUNCT fis-1332 208 1 the the DET fis-1332 208 2 target target NOUN fis-1332 208 3 was be AUX fis-1332 208 4 divided divide VERB fis-1332 208 5 into into ADP fis-1332 208 6 discontinuous discontinuous ADJ fis-1332 208 7 fragment fragment NOUN fis-1332 208 8 regions region NOUN fis-1332 208 9 after after ADP fis-1332 208 10 extracting extract VERB fis-1332 208 11 the the DET fis-1332 208 12 target target NOUN fis-1332 208 13 value value NOUN fis-1332 208 14 . . PUNCT fis-1332 209 1 we we PRON fis-1332 209 2 need need VERB fis-1332 209 3 to to PART fis-1332 209 4 connect connect VERB fis-1332 209 5 the the DET fis-1332 209 6 fragment fragment ADJ fis-1332 209 7 area area NOUN fis-1332 209 8 establishing establish VERB fis-1332 209 9 models model NOUN fis-1332 209 10 and and CCONJ fis-1332 209 11 instance instance NOUN fis-1332 209 12 validation validation NOUN fis-1332 209 13 . . PUNCT fis-1332 210 1 finally finally ADV fis-1332 210 2 we we PRON fis-1332 210 3 will will AUX fis-1332 210 4 find find VERB fis-1332 210 5 that that SCONJ fis-1332 210 6 it it PRON fis-1332 210 7 is be AUX fis-1332 210 8 correct correct ADJ fis-1332 210 9 and and CCONJ fis-1332 210 10 valid valid ADJ fis-1332 210 11 to to PART fis-1332 210 12 connect connect VERB fis-1332 210 13 the the DET fis-1332 210 14 fracture fracture NOUN fis-1332 210 15 fragments fragment NOUN fis-1332 210 16 by by ADP fis-1332 210 17 applying apply VERB fis-1332 210 18 this this DET fis-1332 210 19 algorithm algorithm NOUN fis-1332 210 20 . . PUNCT fis-1332 211 1 application application NOUN fis-1332 211 2 of of ADP fis-1332 211 3 the the DET fis-1332 211 4 median median ADJ fis-1332 211 5 filtering filtering NOUN fis-1332 211 6 method method NOUN fis-1332 211 7 to to PART fis-1332 211 8 enhance enhance VERB fis-1332 211 9 denoising denoising NOUN fis-1332 211 10 can can AUX fis-1332 211 11 have have VERB fis-1332 211 12 better well ADJ fis-1332 211 13 denoising denoise VERB fis-1332 211 14 effect effect NOUN fis-1332 211 15 . . PUNCT fis-1332 212 1 and and CCONJ fis-1332 212 2 it it PRON fis-1332 212 3 could could AUX fis-1332 212 4 smooth smooth VERB fis-1332 212 5 the the DET fis-1332 212 6 image image NOUN fis-1332 212 7 after after ADP fis-1332 212 8 enhancing enhance VERB fis-1332 212 9 denoising denoising NOUN fis-1332 212 10 and and CCONJ fis-1332 212 11 reduce reduce VERB fis-1332 212 12 the the DET fis-1332 212 13 data datum NOUN fis-1332 212 14 volume volume NOUN fis-1332 212 15 of of ADP fis-1332 212 16 the the DET fis-1332 212 17 monitoring monitoring NOUN fis-1332 212 18 stream stream NOUN fis-1332 212 19 with with ADP fis-1332 212 20 compressed compressed ADJ fis-1332 212 21 synthesis synthesis NOUN fis-1332 212 22 . . PUNCT fis-1332 213 1 the the DET fis-1332 213 2 neighborhood neighborhood NOUN fis-1332 213 3 average average ADJ fis-1332 213 4 method method NOUN fis-1332 213 5 is be AUX fis-1332 213 6 a a DET fis-1332 213 7 common common ADJ fis-1332 213 8 technology technology NOUN fis-1332 213 9 for for ADP fis-1332 213 10 image image NOUN fis-1332 213 11 denoising denoising NOUN fis-1332 213 12 . . PUNCT fis-1332 214 1 its its PRON fis-1332 214 2 advantage advantage NOUN fis-1332 214 3 is be AUX fis-1332 214 4 rapid rapid ADJ fis-1332 214 5 processing processing NOUN fis-1332 214 6 speed speed NOUN fis-1332 214 7 and and CCONJ fis-1332 214 8 wide wide ADJ fis-1332 214 9 range range NOUN fis-1332 214 10 of of ADP fis-1332 214 11 application application NOUN fis-1332 214 12 . . PUNCT fis-1332 215 1 but but CCONJ fis-1332 215 2 this this DET fis-1332 215 3 algorithm algorithm NOUN fis-1332 215 4 also also ADV fis-1332 215 5 has have VERB fis-1332 215 6 a a DET fis-1332 215 7 significant significant ADJ fis-1332 215 8 shortcoming shortcoming NOUN fis-1332 215 9 , , PUNCT fis-1332 215 10 namely namely ADV fis-1332 215 11 , , PUNCT fis-1332 215 12 that that SCONJ fis-1332 215 13 the the DET fis-1332 215 14 image image NOUN fis-1332 215 15 will will AUX fis-1332 215 16 become become VERB fis-1332 215 17 vague vague ADJ fis-1332 215 18 when when SCONJ fis-1332 215 19 reducing reduce VERB fis-1332 215 20 the the DET fis-1332 215 21 noise noise NOUN fis-1332 215 22 at at ADP fis-1332 215 23 the the DET fis-1332 215 24 same same ADJ fis-1332 215 25 time time NOUN fis-1332 215 26 , , PUNCT fis-1332 215 27 especially especially ADV fis-1332 215 28 in in ADP fis-1332 215 29 the the DET fis-1332 215 30 image image NOUN fis-1332 215 31 's 's PART fis-1332 215 32 edges edge NOUN fis-1332 215 33 and and CCONJ fis-1332 215 34 details detail NOUN fis-1332 215 35 . . PUNCT fis-1332 216 1 it it PRON fis-1332 216 2 is be AUX fis-1332 216 3 therefore therefore ADV fis-1332 216 4 necessary necessary ADJ fis-1332 216 5 to to PART fis-1332 216 6 make make VERB fis-1332 216 7 some some DET fis-1332 216 8 improvements improvement NOUN fis-1332 216 9 to to ADP fis-1332 216 10 the the DET fis-1332 216 11 simple simple ADJ fis-1332 216 12 neighborhood neighborhood NOUN fis-1332 216 13 average average ADJ fis-1332 216 14 method method NOUN fis-1332 216 15 . . PUNCT fis-1332 217 1 another another DET fis-1332 217 2 key key ADJ fis-1332 217 3 solution solution NOUN fis-1332 217 4 is be AUX fis-1332 217 5 keeping keep VERB fis-1332 217 6 the the DET fis-1332 217 7 image image NOUN fis-1332 217 8 ’s ’s PART fis-1332 217 9 edges edge NOUN fis-1332 217 10 and and CCONJ fis-1332 217 11 details detail NOUN fis-1332 217 12 as as ADV fis-1332 217 13 much much ADV fis-1332 217 14 as as ADP fis-1332 217 15 possible possible ADJ fis-1332 217 16 to to ADP fis-1332 217 17 a a DET fis-1332 217 18 minimum minimum NOUN fis-1332 217 19 when when SCONJ fis-1332 217 20 performing perform VERB fis-1332 217 21 image image NOUN fis-1332 217 22 denoising denoising NOUN fis-1332 217 23 . . PUNCT fis-1332 218 1 references reference NOUN fis-1332 218 2 [ [ X fis-1332 218 3 1 1 NUM fis-1332 218 4 ] ] PUNCT fis-1332 218 5 juwu juwu NOUN fis-1332 218 6 , , PUNCT fis-1332 218 7 x. x. PROPN fis-1332 218 8 , , PUNCT fis-1332 218 9 the the DET fis-1332 218 10 research research NOUN fis-1332 218 11 of of ADP fis-1332 218 12 application application NOUN fis-1332 218 13 and and CCONJ fis-1332 218 14 measurement measurement NOUN fis-1332 218 15 the the DET fis-1332 218 16 bridge bridge NOUN fis-1332 218 17 cracks crack NOUN fis-1332 218 18 based base VERB fis-1332 218 19 on on ADP fis-1332 218 20 digital digital ADJ fis-1332 218 21 image image NOUN fis-1332 218 22 processing processing NOUN fis-1332 218 23 , , PUNCT fis-1332 218 24 southwest southwest ADJ fis-1332 218 25 petroleum petroleum NOUN fis-1332 218 26 university university NOUN fis-1332 218 27 , , PUNCT fis-1332 218 28 5 5 NUM fis-1332 218 29 ( ( PUNCT fis-1332 218 30 2011 2011 NUM fis-1332 218 31 ) ) PUNCT fis-1332 218 32 . . PUNCT fis-1332 219 1 [ [ X fis-1332 219 2 2 2 NUM fis-1332 219 3 ] ] X fis-1332 219 4 wei wei PROPN fis-1332 219 5 , , PUNCT fis-1332 219 6 z. z. PROPN fis-1332 219 7 , , PUNCT fis-1332 219 8 the the DET fis-1332 219 9 research research NOUN fis-1332 219 10 of of ADP fis-1332 219 11 underwater underwater ADJ fis-1332 219 12 image image NOUN fis-1332 219 13 segmentation segmentation NOUN fis-1332 219 14 and and CCONJ fis-1332 219 15 recognition recognition NOUN fis-1332 219 16 technology technology NOUN fis-1332 219 17 based base VERB fis-1332 219 18 on on ADP fis-1332 219 19 particle particle NOUN fis-1332 219 20 swarm swarm NOUN fis-1332 219 21 , , PUNCT fis-1332 219 22 harbin harbin PROPN fis-1332 219 23 engineering engineering PROPN fis-1332 219 24 university university PROPN fis-1332 219 25 , , PUNCT fis-1332 219 26 9 9 NUM fis-1332 219 27 ( ( PUNCT fis-1332 219 28 2008 2008 NUM fis-1332 219 29 ) ) PUNCT fis-1332 219 30 . . PUNCT fis-1332 220 1 [ [ X fis-1332 220 2 3 3 X fis-1332 220 3 ] ] X fis-1332 220 4 hanxing hanxing NOUN fis-1332 220 5 , , PUNCT fis-1332 220 6 q. q. PROPN fis-1332 220 7 , , PUNCT fis-1332 220 8 the the DET fis-1332 220 9 research research NOUN fis-1332 220 10 of of ADP fis-1332 220 11 pavement pavement NOUN fis-1332 220 12 crack crack NOUN fis-1332 220 13 detection detection NOUN fis-1332 220 14 and and CCONJ fis-1332 220 15 recognition recognition NOUN fis-1332 220 16 based base VERB fis-1332 220 17 image image NOUN fis-1332 220 18 segmentation segmentation NOUN fis-1332 220 19 . . PUNCT fis-1332 221 1 chongqing chongqing PROPN fis-1332 221 2 jiao jiao PROPN fis-1332 221 3 tong tong PROPN fis-1332 221 4 university university PROPN fis-1332 221 5 , , PUNCT fis-1332 221 6 03 03 NUM fis-1332 221 7 ( ( PUNCT fis-1332 221 8 2012 2012 NUM fis-1332 221 9 ) ) PUNCT fis-1332 221 10 . . PUNCT fis-1332 222 1 [ [ X fis-1332 222 2 4 4 NUM fis-1332 222 3 ] ] X fis-1332 222 4 shaobo shaobo NOUN fis-1332 222 5 , , PUNCT fis-1332 222 6 b. b. PROPN fis-1332 222 7 , , PUNCT fis-1332 222 8 maode maode PROPN fis-1332 222 9 , , PUNCT fis-1332 222 10 y. y. PROPN fis-1332 222 11 , , PUNCT fis-1332 222 12 liang liang PROPN fis-1332 222 13 jun jun PROPN fis-1332 222 14 , , PUNCT fis-1332 222 15 h. h. PROPN fis-1332 222 16 , , PUNCT fis-1332 222 17 yuyao yuyao PROPN fis-1332 222 18 , , PUNCT fis-1332 222 19 h. h. PROPN fis-1332 222 20 , , PUNCT fis-1332 222 21 research research NOUN fis-1332 222 22 on on ADP fis-1332 222 23 measuring measure VERB fis-1332 222 24 algorithm algorithm NOUN fis-1332 222 25 of of ADP fis-1332 222 26 asphalt asphalt NOUN fis-1332 222 27 pavement pavement NOUN fis-1332 222 28 crack crack NOUN fis-1332 222 29 based base VERB fis-1332 222 30 on on ADP fis-1332 222 31 image image NOUN fis-1332 222 32 processing processing NOUN fis-1332 222 33 , , PUNCT fis-1332 222 34 computer computer NOUN fis-1332 222 35 measurement measurement NOUN fis-1332 222 36 and and CCONJ fis-1332 222 37 control control NOUN fis-1332 222 38 , , PUNCT fis-1332 222 39 15(10 15(10 NUM fis-1332 222 40 ) ) PUNCT fis-1332 222 41 ( ( PUNCT fis-1332 222 42 2007 2007 NUM fis-1332 222 43 ) ) PUNCT fis-1332 222 44 1305 1305 NUM fis-1332 222 45 - - SYM fis-1332 222 46 1307 1307 NUM fis-1332 222 47 . . PUNCT fis-1332 223 1 [ [ X fis-1332 223 2 5 5 NUM fis-1332 223 3 ] ] PUNCT fis-1332 223 4 xiaorui xiaorui PROPN fis-1332 223 5 , , PUNCT fis-1332 223 6 l. l. PROPN fis-1332 223 7 , , PUNCT fis-1332 223 8 xiongyao xiongyao PROPN fis-1332 223 9 , , PUNCT fis-1332 223 10 x. x. PROPN fis-1332 223 11 , , PUNCT fis-1332 223 12 the the DET fis-1332 223 13 research research NOUN fis-1332 223 14 of of ADP fis-1332 223 15 rapid rapid ADJ fis-1332 223 16 detection detection NOUN fis-1332 223 17 of of ADP fis-1332 223 18 tunnel tunnel NOUN fis-1332 223 19 surface surface NOUN fis-1332 223 20 cracks crack NOUN fis-1332 223 21 based base VERB fis-1332 223 22 on on ADP fis-1332 223 23 image image NOUN fis-1332 223 24 processing processing NOUN fis-1332 223 25 , , PUNCT fis-1332 223 26 chinese chinese ADJ fis-1332 223 27 journal journal NOUN fis-1332 223 28 of of ADP fis-1332 223 29 underground underground ADJ fis-1332 223 30 space space NOUN fis-1332 223 31 and and CCONJ fis-1332 223 32 engineering engineering NOUN fis-1332 223 33 , , PUNCT fis-1332 223 34 2 2 NUM fis-1332 223 35 ( ( PUNCT fis-1332 223 36 02 02 NUM fis-1332 223 37 ) ) PUNCT fis-1332 223 38 ( ( PUNCT fis-1332 223 39 2009 2009 NUM fis-1332 223 40 ) ) PUNCT fis-1332 223 41 1624 1624 NUM fis-1332 223 42 - - SYM fis-1332 223 43 1628 1628 NUM fis-1332 223 44 . . PUNCT fis-1332 224 1 [ [ X fis-1332 224 2 6 6 NUM fis-1332 224 3 ] ] X fis-1332 224 4 jun jun PROPN fis-1332 224 5 , , PUNCT fis-1332 224 6 f. f. PROPN fis-1332 224 7 , , PUNCT fis-1332 224 8 weiliang weiliang PROPN fis-1332 224 9 , , PUNCT fis-1332 224 10 j. j. PROPN fis-1332 224 11 , , PUNCT fis-1332 224 12 feng feng PROPN fis-1332 224 13 , , PUNCT fis-1332 224 14 k. k. PROPN fis-1332 224 15 , , PUNCT fis-1332 224 16 yunhua yunhua PROPN fis-1332 224 17 , , PUNCT fis-1332 224 18 c. c. PROPN fis-1332 224 19 , , PUNCT fis-1332 224 20 detection detection NOUN fis-1332 224 21 of of ADP fis-1332 224 22 shallow shallow ADJ fis-1332 224 23 cracks crack NOUN fis-1332 224 24 in in ADP fis-1332 224 25 the the DET fis-1332 224 26 wall wall NOUN fis-1332 224 27 with with ADP fis-1332 224 28 digital digital ADJ fis-1332 224 29 image image NOUN fis-1332 224 30 processing processing NOUN fis-1332 224 31 , , PUNCT fis-1332 224 32 civil civil ADJ fis-1332 224 33 architecture architecture NOUN fis-1332 224 34 and and CCONJ fis-1332 224 35 environmental environmental ADJ fis-1332 224 36 engineering engineering NOUN fis-1332 224 37 , , PUNCT fis-1332 224 38 31 31 NUM fis-1332 224 39 ( ( PUNCT fis-1332 224 40 06 06 NUM fis-1332 224 41 ) ) PUNCT fis-1332 224 42 ( ( PUNCT fis-1332 224 43 2009)137 2009)137 NUM fis-1332 224 44 - - SYM fis-1332 224 45 141 141 NUM fis-1332 224 46 . . PUNCT fis-1332 225 1 [ [ X fis-1332 225 2 7 7 NUM fis-1332 225 3 ] ] X fis-1332 225 4 lto lto PROPN fis-1332 225 5 , , PUNCT fis-1332 225 6 a. a. PROPN fis-1332 225 7 , , PUNCT fis-1332 225 8 aoki aoki PROPN fis-1332 225 9 , , PUNCT fis-1332 225 10 y. y. PROPN fis-1332 225 11 , , PUNCT fis-1332 225 12 hashimoto hashimoto NOUN fis-1332 225 13 , , PUNCT fis-1332 225 14 s. s. PROPN fis-1332 225 15 , , PUNCT fis-1332 225 16 accurate accurate ADJ fis-1332 225 17 extraction extraction NOUN fis-1332 225 18 and and CCONJ fis-1332 225 19 measurement measurement NOUN fis-1332 225 20 of of ADP fis-1332 225 21 fine fine ADJ fis-1332 225 22 cracks crack NOUN fis-1332 225 23 from from ADP fis-1332 225 24 concrete concrete ADJ fis-1332 225 25 block block NOUN fis-1332 225 26 surface surface NOUN fis-1332 225 27 image image NOUN fis-1332 225 28 , , PUNCT fis-1332 225 29 iecon02 iecon02 NOUN fis-1332 225 30 , , PUNCT fis-1332 225 31 3 3 NUM fis-1332 225 32 ( ( PUNCT fis-1332 225 33 2002 2002 NUM fis-1332 225 34 ) ) PUNCT fis-1332 225 35 2202 2202 NUM fis-1332 225 36 - - SYM fis-1332 225 37 2207 2207 NUM fis-1332 225 38 . . PUNCT fis-1332 226 1 [ [ X fis-1332 226 2 8 8 NUM fis-1332 226 3 ] ] X fis-1332 226 4 kawamura kawamura PROPN fis-1332 226 5 , , PUNCT fis-1332 226 6 k. k. PROPN fis-1332 226 7 , , PUNCT fis-1332 226 8 miyamoto miyamoto NOUN fis-1332 226 9 , , PUNCT fis-1332 226 10 a. a. PROPN fis-1332 226 11 , , PUNCT fis-1332 226 12 nakamura nakamura PROPN fis-1332 226 13 , , PUNCT fis-1332 226 14 h. h. PROPN fis-1332 226 15 , , PUNCT fis-1332 226 16 sato sato PROPN fis-1332 226 17 , , PUNCT fis-1332 226 18 r. r. PROPN fis-1332 226 19 , , PUNCT fis-1332 226 20 proposal proposal NOUN fis-1332 226 21 of of ADP fis-1332 226 22 a a DET fis-1332 226 23 crack crack NOUN fis-1332 226 24 pattern pattern NOUN fis-1332 226 25 extraction extraction NOUN fis-1332 226 26 method method NOUN fis-1332 226 27 from from ADP fis-1332 226 28 digital digital ADJ fis-1332 226 29 images image NOUN fis-1332 226 30 using use VERB fis-1332 226 31 an an DET fis-1332 226 32 interactive interactive ADJ fis-1332 226 33 genetic genetic ADJ fis-1332 226 34 algorithm algorithm NOUN fis-1332 226 35 , , PUNCT fis-1332 226 36 proceedings proceedings PROPN fis-1332 226 37 - - PUNCT fis-1332 226 38 japan japan PROPN fis-1332 226 39 society society NOUN fis-1332 226 40 of of ADP fis-1332 226 41 civil civil ADJ fis-1332 226 42 engineers engineer NOUN fis-1332 226 43 , , PUNCT fis-1332 226 44 ( ( PUNCT fis-1332 226 45 2003 2003 NUM fis-1332 226 46 ) ) PUNCT fis-1332 226 47 115 115 NUM fis-1332 226 48 - - SYM fis-1332 226 49 132 132 NUM fis-1332 226 50 . . PUNCT fis-1332 227 1 [ [ X fis-1332 227 2 9 9 NUM fis-1332 227 3 ] ] X fis-1332 227 4 abdel abdel PROPN fis-1332 227 5 , , PUNCT fis-1332 227 6 q. q. PROPN fis-1332 227 7 , , PUNCT fis-1332 227 8 abudam abudam PROPN fis-1332 227 9 , , PUNCT fis-1332 227 10 o. o. PROPN fis-1332 227 11 , , PUNCT fis-1332 227 12 kelly kelly PROPN fis-1332 227 13 , , PUNCT fis-1332 227 14 m. m. PROPN fis-1332 227 15 e. e. PROPN fis-1332 227 16 , , PUNCT fis-1332 227 17 2003 2003 NUM fis-1332 227 18 . . PUNCT fis-1332 228 1 analysis analysis NOUN fis-1332 228 2 of of ADP fis-1332 228 3 edge edge NOUN fis-1332 228 4 detention detention NOUN fis-1332 228 5 techniques technique NOUN fis-1332 228 6 for for ADP fis-1332 228 7 creak creak NOUN fis-1332 228 8 identification identification NOUN fis-1332 228 9 in in ADP fis-1332 228 10 bridges bridge NOUN fis-1332 228 11 , , PUNCT fis-1332 228 12 journal journal NOUN fis-1332 228 13 of of ADP fis-1332 228 14 computing computing NOUN fis-1332 228 15 in in ADP fis-1332 228 16 civil civil ADJ fis-1332 228 17 engineering engineering NOUN fis-1332 228 18 , , PUNCT fis-1332 228 19 17(3 17(3 NUM fis-1332 228 20 ) ) PUNCT fis-1332 228 21 ( ( PUNCT fis-1332 228 22 2003 2003 NUM fis-1332 228 23 ) ) PUNCT fis-1332 228 24 255 255 NUM fis-1332 228 25 - - SYM fis-1332 228 26 263 263 NUM fis-1332 228 27 . . PUNCT fis-1332 229 1 [ [ X fis-1332 229 2 10 10 NUM fis-1332 229 3 ] ] X fis-1332 229 4 guoqi guoqi PROPN fis-1332 229 5 , , PUNCT fis-1332 229 6 z. z. PROPN fis-1332 229 7 , , PUNCT fis-1332 229 8 the the DET fis-1332 229 9 research research NOUN fis-1332 229 10 of of ADP fis-1332 229 11 concrete concrete ADJ fis-1332 229 12 bridge bridge NOUN fis-1332 229 13 underside underside NOUN fis-1332 229 14 crack crack NOUN fis-1332 229 15 detection detection NOUN fis-1332 229 16 method method NOUN fis-1332 229 17 based base VERB fis-1332 229 18 on on ADP fis-1332 229 19 image image NOUN fis-1332 229 20 processing processing NOUN fis-1332 229 21 , , PUNCT fis-1332 229 22 beijing beijing PROPN fis-1332 229 23 jiao jiao PROPN fis-1332 229 24 tong tong PROPN fis-1332 229 25 university university PROPN fis-1332 229 26 , , PUNCT fis-1332 229 27 06 06 NUM fis-1332 229 28 ( ( PUNCT fis-1332 229 29 2010 2010 NUM fis-1332 229 30 ) ) PUNCT fis-1332 229 31 . . PUNCT fis-1332 230 1 [ [ X fis-1332 230 2 11 11 NUM fis-1332 230 3 ] ] SYM fis-1332 230 4 galvez galvez PROPN fis-1332 230 5 , , PUNCT fis-1332 230 6 j. j. PROPN fis-1332 230 7 c. c. PROPN fis-1332 230 8 , , PUNCT fis-1332 230 9 cervenka cervenka PROPN fis-1332 230 10 , , PUNCT fis-1332 230 11 j. j. PROPN fis-1332 230 12 , , PUNCT fis-1332 230 13 cendon cendon PROPN fis-1332 230 14 , , PUNCT fis-1332 230 15 d. d. PROPN fis-1332 230 16 a. a. PROPN fis-1332 230 17 , , PUNCT fis-1332 230 18 saouma saouma PROPN fis-1332 230 19 , , PUNCT fis-1332 230 20 v. v. ADV fis-1332 230 21 , , PUNCT fis-1332 230 22 a a DET fis-1332 230 23 discrete discrete ADJ fis-1332 230 24 crack crack NOUN fis-1332 230 25 approach approach NOUN fis-1332 230 26 to to ADP fis-1332 230 27 normal normal ADJ fis-1332 230 28 / / SYM fis-1332 230 29 shear shear NOUN fis-1332 230 30 cracking cracking NOUN fis-1332 230 31 of of ADP fis-1332 230 32 concrete concrete NOUN fis-1332 230 33 , , PUNCT fis-1332 230 34 cement cement NOUN fis-1332 230 35 and and CCONJ fis-1332 230 36 concrete concrete ADJ fis-1332 230 37 research research NOUN fis-1332 230 38 , , PUNCT fis-1332 230 39 32(10 32(10 NUM fis-1332 230 40 ) ) PUNCT fis-1332 230 41 ( ( PUNCT fis-1332 230 42 2002 2002 NUM fis-1332 230 43 ) ) PUNCT fis-1332 230 44 1567 1567 NUM fis-1332 230 45 - - SYM fis-1332 230 46 1585 1585 NUM fis-1332 230 47 . . PUNCT fis-1332 231 1 [ [ X fis-1332 231 2 12 12 NUM fis-1332 231 3 ] ] PUNCT fis-1332 231 4 xiaorui xiaorui PROPN fis-1332 231 5 , , PUNCT fis-1332 231 6 l. l. PROPN fis-1332 231 7 , , PUNCT fis-1332 231 8 xiongyao xiongyao PROPN fis-1332 231 9 , , PUNCT fis-1332 231 10 x. x. NOUN fis-1332 231 11 , , PUNCT fis-1332 231 12 rapid rapid ADJ fis-1332 231 13 crack crack NOUN fis-1332 231 14 inspection inspection NOUN fis-1332 231 15 of of ADP fis-1332 231 16 tunnel tunnel NOUN fis-1332 231 17 surface surface NOUN fis-1332 231 18 based base VERB fis-1332 231 19 on on ADP fis-1332 231 20 image image NOUN fis-1332 231 21 processing processing NOUN fis-1332 231 22 , , PUNCT fis-1332 231 23 chinese chinese ADJ fis-1332 231 24 journal journal NOUN fis-1332 231 25 of of ADP fis-1332 231 26 underground underground ADJ fis-1332 231 27 space space NOUN fis-1332 231 28 and and CCONJ fis-1332 231 29 engineering engineering NOUN fis-1332 231 30 , , PUNCT fis-1332 231 31 5(02 5(02 NUM fis-1332 231 32 ) ) PUNCT fis-1332 231 33 ( ( PUNCT fis-1332 231 34 2009 2009 NUM fis-1332 231 35 ) ) PUNCT fis-1332 231 36 1624 1624 NUM fis-1332 231 37 - - SYM fis-1332 231 38 1628 1628 NUM fis-1332 231 39 . . PUNCT fis-1332 232 1 [ [ X fis-1332 232 2 13 13 NUM fis-1332 232 3 ] ] SYM fis-1332 232 4 xiaomao xiaomao PROPN fis-1332 232 5 , , PUNCT fis-1332 232 6 r. r. PROPN fis-1332 232 7 , , PUNCT fis-1332 232 8 a a DET fis-1332 232 9 technology technology NOUN fis-1332 232 10 of of ADP fis-1332 232 11 screen screen NOUN fis-1332 232 12 translation translation NOUN fis-1332 232 13 , , PUNCT fis-1332 232 14 computer computer NOUN fis-1332 232 15 and and CCONJ fis-1332 232 16 digital digital ADJ fis-1332 232 17 engineering engineering NOUN fis-1332 232 18 , , PUNCT fis-1332 232 19 2(22 2(22 NUM fis-1332 232 20 ) ) PUNCT fis-1332 232 21 ( ( PUNCT fis-1332 232 22 1994 1994 NUM fis-1332 232 23 ) ) PUNCT fis-1332 232 24 44 44 NUM fis-1332 232 25 - - SYM fis-1332 232 26 45 45 NUM fis-1332 232 27 . . PUNCT fis-1332 233 1 [ [ X fis-1332 233 2 14 14 NUM fis-1332 233 3 ] ] X fis-1332 233 4 ciyin ciyin PROPN fis-1332 233 5 , , PUNCT fis-1332 233 6 y. y. PROPN fis-1332 233 7 , , PUNCT fis-1332 233 8 lianqing lianqing NOUN fis-1332 233 9 , , PUNCT fis-1332 233 10 h. h. PROPN fis-1332 233 11 , , PUNCT fis-1332 233 12 contrast contrast VERB fis-1332 233 13 enhancement enhancement NOUN fis-1332 233 14 of of ADP fis-1332 233 15 medical medical ADJ fis-1332 233 16 image image NOUN fis-1332 233 17 based base VERB fis-1332 233 18 on on ADP fis-1332 233 19 since since SCONJ fis-1332 233 20 grey grey ADJ fis-1332 233 21 level level NOUN fis-1332 233 22 transformation transformation NOUN fis-1332 233 23 , , PUNCT fis-1332 233 24 optical optical ADJ fis-1332 233 25 technique technique NOUN fis-1332 233 26 , , PUNCT fis-1332 233 27 5 5 NUM fis-1332 233 28 ( ( PUNCT fis-1332 233 29 28 28 NUM fis-1332 233 30 ) ) PUNCT fis-1332 233 31 ( ( PUNCT fis-1332 233 32 2002 2002 NUM fis-1332 233 33 ) ) PUNCT fis-1332 233 34 407 407 NUM fis-1332 233 35 - - SYM fis-1332 233 36 408 408 NUM fis-1332 233 37 . . PUNCT fis-1332 234 1 [ [ X fis-1332 234 2 15 15 NUM fis-1332 234 3 ] ] X fis-1332 234 4 xu xu PROPN fis-1332 234 5 , , PUNCT fis-1332 234 6 b. b. PROPN fis-1332 234 7 , , PUNCT fis-1332 234 8 a a DET fis-1332 234 9 study study NOUN fis-1332 234 10 on on ADP fis-1332 234 11 the the DET fis-1332 234 12 bridge bridge NOUN fis-1332 234 13 diseases disease NOUN fis-1332 234 14 inspection inspection NOUN fis-1332 234 15 and and CCONJ fis-1332 234 16 the the DET fis-1332 234 17 cracks crack NOUN fis-1332 234 18 measurement measurement NOUN fis-1332 234 19 based base VERB fis-1332 234 20 on on ADP fis-1332 234 21 the the DET fis-1332 234 22 imagery imagery NOUN fis-1332 234 23 processing processing NOUN fis-1332 234 24 technology technology NOUN fis-1332 234 25 , , PUNCT fis-1332 234 26 chang'an chang'an VERB fis-1332 234 27 university university NOUN fis-1332 234 28 , , PUNCT fis-1332 234 29 ( ( PUNCT fis-1332 234 30 2009 2009 NUM fis-1332 234 31 ) ) PUNCT fis-1332 234 32 . . PUNCT fis-1332 235 1 f f PROPN