Special Effects

Development Platform:

Matlab

P0402.asv：Code Content

							I = imread('E:Download多种图像边缘检测与分割处理bacteria.BMP');
BW1 = edge(I,'log',0.003);  % σ=2
imshow(BW1);title('σ=2')
BW1 = edge(I,'log',0.003,3); % σ=3
figure, imshow(BW1);title('σ=3')
I = imread('E:Download多种图像边缘检测与分割处理bacteria.BMP');
BW1 = edge(I,'prewitt',0.04);             %  0.04为梯度阈值
figure(1);
imshow(I);
figure(2);
imshow(BW1);

						