id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fis-2588	Xu, Yanyan; Cai, Yanxia; Li, Dandan; Zhang, Tierui	Building crack monitoring based on digital image processing	2020	8	.pdf	application/pdf	4300	307	57	Crack images were collected by CCD camera, and then operations such as graying, correction, denoising and segmentation were carried out to obtain clear crack images. It was found from Fig. 3 that the quality of crack images was poor under the influence of illumination and noise, which was not conducive to crack monitoring.	cache/fis-2588.pdf	txt/fis-2588.txt