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morphological operations in matlab

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azan
azan 2013-2-18
I am having an image uploaded at: http://tinypic.com/view.php?pic=1h2n8g&s=6 After doing some processing on it I found the following results uploaded at: http://tinypic.com/view.php?pic=1jqffa&s=6 and http://tinypic.com/view.php?pic=2l6sk1&s=6
The code used for processing is:
img = imread('newroad1.jpg');
hsv = rgb2hsv(img);
I1 = hsv(:,:,3);
figure,imshow(I1)
se = strel('square',5);
mgrad = imdilate(I1, se) - imerode(I1, se);
figure,imshow(mgrad)
I=im2bw(mgrad,0.1);
I want to get the following results uploaded at: http://tinypic.com/view.php?pic=orp2rn&s=6 and http://tinypic.com/view.php?pic=14dga2s&s=6
What morphological operations should I use so that I can get the above mentioned results.

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采纳的回答

Image Analyst
Image Analyst 2013-2-18
Those would be the 'skel' and 'spur' options of bwmorph().
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Image Analyst
Image Analyst 2013-2-18
Just do it a frame at a time. Of course there are fancier ways involving time projection where you predict positions based on past frames but that's a lot more advanced. Just start with a frame at a time.
azan
azan 2013-2-18
ok sir I will try it and then will let you know if I will be having some problem.

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