How to find Concavity or Convexity part in an Image?
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If this was my input Image, How to find that red dot position? Is there any procedures or algorithms??
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Accepted Answer
Theo Walker
on 8 Jun 2013
One easy way would be to dilate the image, then erode the image. Take the result, and subtract your original image from it.
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Image Analyst
on 8 Jun 2013
Use bwboundaries, then see the FAQ: http://matlab.wikia.com/wiki/FAQ#How_do_I_find_.22kinks.22_in_a_curve.3F
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