www.gusucode.com > images 案例代码 matlab源码程序 > images/CompareEdgeDetectionUsingCannyAndPrewittMethodsExample.m
%% Compare Edge Detection Using Canny and Prewitt Methods % %% % Read a grayscale image into the workspace and display it. % Copyright 2015 The MathWorks, Inc. I = imread('circuit.tif'); imshow(I) %% % Find edges using the Canny method. BW1 = edge(I,'Canny'); %% % Find edges using the Prewitt method. BW2 = edge(I,'Prewitt'); %% % Display both results side-by-side. imshowpair(BW1,BW2,'montage')