www.gusucode.com > images 案例代码 matlab源码程序 > images/DetectEdgesInImagesExample.m
%% Detect Edges in Images % This example shows how to detect edges in an image using both the Canny % edge detector and the Sobel edge detector. %% % Read image and display it. % Copyright 2015 The MathWorks, Inc. I = imread('coins.png'); imshow(I) %% % Apply both the Sobel and Canny edge detectors to the image and display % them for comparison. BW1 = edge(I,'sobel'); BW2 = edge(I,'canny'); figure; imshowpair(BW1,BW2,'montage') title('Sobel Filter Canny Filter');