Increase edge thickness in binary?

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Steven
Steven 2014-10-27
评论： Steven 2014-10-28
Hi
I have detected the edges of an image using "bwperim". I want to increase the thickness the edges (such as the sides of a square) to make it more visible. How can I do it using Image Processing Toolbox?
Thanks!
Steven

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Anand
Anand 2014-10-27
Have a look at the imdilate function.
Here's a quick example,
BW1 = imread('circbw.tif');
BW2 = bwperim(BW1,8);
BW3 = imdilate(BW2, strel('disk',1));

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