p0401.m

来自「《visual c++matlab图像处理与识别实用案例精选》源码」· M 代码 · 共 7 行

I = imread('bacteria.BMP');
BW1 = edge(I,'prewitt',0.04);             %  0.04为梯度阈值
figure(1);
imshow(I);
figure(2);
imshow(BW1);