基于matlab的5中边缘检测算子。

%[filename,pathname]=uigetfile({'*.jpg';'*bmp';'*gif'},'选择原图片'); %I = imread([pathname,filename]); f = imread('3.png'); I=rgb2gray(f); %五种边缘检测 figure('Name','进行五种边缘检测'); subplot(2,3,1); imshow(I); title('原图'); %BW1=edge(I,'Roberts',0.16); %subplot(2,3,2); %imshow(BW1); %title('Robert算子边缘检测') %BW2=edge(I,'Sobel',0.16); %subplot(2,3,3); %imshow(BW2); %title('Sobel算子边缘检测') BW3=edge(I,'Prewitt',0.06); subplot(2,3,4); imshow(BW3); title('Prewitt算子边缘检测'); %BW4=edge(I,'LOG',0.012); %subplot(2,3,5); %imshow(BW4); %title('LOG算子边缘检测') BW5=edge(I,'Canny',0.35); subplot(2,3,6); imshow(BW5); title('Canny算子边缘检测')