Research and Analysis on Image Edge Detection Algorithm

Edge detection is an important feature of the image,it contains the information used to identify the target.Edge exists between target and target,or between target and background.Edge detection is the base of image segmentation and some other image processing operation.Image edge detection algorithm plays an important role in the operation of edge detection.This paper introduces some commonly edge detection algorithms,such as Roberts,Sobel,Prewitt,Kirsch,Laplacian,LOG and Canny,and carries out the experiments and simulations in order to verify and compare their performances.