sumarize11_5_2a.m

来自「matlab7.0从入门到精通(光盘内容)」· M 代码 · 共 16 行

%调入与显示RGB图像
RGB = imread('peppers.png');
isrgb(RGB);
figure(1);
imshow(RGB);
%RGB图转换为灰度图像
I = rgb2gray(RGB);
figure(2);
imshow(I);
colorbar('horiz');
isgray(I);
%边缘检测
ED = edge(I,'sobel',0.08);
figure(3)
imshow(ED);