新手求助！哪位高手能帮忙给程序加注释？万分感谢！

ffmsxx

希望精通的高手能给出注释，越详细越好，万分感激！跪谢！！



如何在一張圖片上描繪出一個物體的邊緣。

程式：

clear,close all;

I = imread('cell.tif');

figure, imshow(I), title('original image');

BWs = edge(I, 'sobel', (graythresh(I) * .1));

figure, imshow(BWs), title('binary gradient mask');

se90 = strel('line', 3, 90);

se0 = strel('line', 3, 0);

BWsdil = imdilate(BWs, [se90 se0]);

figure, imshow(BWsdil), title('dilated gradient mask');

BWdfill = imfill(BWsdil, 'holes');

figure, imshow(BWdfill);

title('binary image with filled holes');



BWnobord = imclearborder(BWdfill, 4);

figure, imshow(BWnobord), title('cleared border image');

seD = strel('diamond',1);

BWfinal = imerode(BWnobord,seD);

BWfinal = imerode(BWfinal,seD);

figure, imshow(BWfinal), title('segmented image');

BWoutline = bwperim(BWfinal);

Segout = I;

Segout(BWoutline) = 255;

figure, imshow(Segout), title('outlined original image');