borders of simple image
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I have this image, ploted with pcolor:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/152828/image.bmp)
How come that if i want to plot only borders it doesnt work?
bwmorph(Im,'remove')
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/152829/image.bmp)
The border on the top is missing...
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Image Analyst
2013-11-4
pcolor() does not display the entire image. This is a known "feature" that I've been warning people about for years. Notice that you have only 19 by 19 pixels, not 20x20. Use imshow() instead. I recommend never using pcolor to look at regular, normal, rectangular images.
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Sean de Wolski
2013-11-4
Can you please provide full reproduction steps? Repeating these steps below does not reproduce this behavior:
SE = strel('disk',10);
BW = SE.getnhood;
subplot(121)
imshow(BW);
BWr = bwmorph(BW,'remove');
subplot(122)
imshow(BWr)
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