SUN Bocheng,QIU Yanjun. Automatic Identification of PavementCracks Using Mathematic Morphology [C/ / International Conferenceon Transportation Engineering1America : American Society ofCivil Engineers Press,2007: 1783 - 1788.
[3]
Canny J. A computational approach to edge detection [J] . IEEETrans. Pattern Anal. Machine Intell,1986,8 (6): 679 - 698.
YAN Fany-han,PENG Fei-Shi. An adaptive level-selecting wavelettransform for texture defect detection [J] . Image and VisionComputing,2007(25): 1239 - 1248.