%%%下面是具體實(shí)現(xiàn)這幾個(gè)算子的一個(gè)例程:
I = imread('E:\temp\rice.bmp');
BW1 = edge(I,'sobel');   %應(yīng)用Sobel算子進(jìn)行濾波
BW2 = edge(I,'roberts');  %應(yīng)用Roberts算子進(jìn)行濾波
BW3 = edge(I,'prewitt'); %應(yīng)用Prewitt算子進(jìn)行濾波
BW4 = edge(I,'log'); %應(yīng)用LOG算子進(jìn)行濾波
BW5 = edge(I,'canny'); %應(yīng)用Canny算子進(jìn)行濾波
subplot(2,3,1),imshow(BW1)
subplot(2,3,2),imshow(BW2)
subplot(2,3,3),imshow(BW3)
subplot(2,3,4),imshow(BW4)
subplot(2,3,5),imshow(BW5)