id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-1332	Tao, Wang; Tao, Du; Xiaohong, Zou; Yiming, Sun	A research on detecting and recognizing bridge cracks in complex underwater conditions	2014	8	.pdf	application/pdf	4043	274	64	We can obtain crack images with a high contrast after performing equalization processing on the original image, as shown in Fig. In addition, bit manipulation, the most basic operation in the computer, occupied the absolute advantage in calculation speed because the hardware of the computer only identifies 0 and 1. 2) Measurement of length and width In practical crack image, absolute across and down do not exist.	cache/fis-1332.pdf	txt/fis-1332.txt