How to extract object after edge-detection?

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I have a picture that consists of 4 people. My goal is to extract the four people based on the edge detection only. Is it possible? If yes how do I make the approach?

Accepted Answer

Image Analyst
Image Analyst on 3 Dec 2012
Threshold to find the people, then use watershed. See this for an example: http://blogs.mathworks.com/steve/2006/06/02/cell-segmentation/
  5 Comments
Image Analyst
Image Analyst on 5 Dec 2012
That's because you haven't tried to implement Steve's example yet.
Sayak
Sayak on 7 Dec 2012
Yes, yes. Let me study it first. I'm coming back to this thread after few days. Anyways thanks again for always helping me out.

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More Answers (1)

Mojeed Salmon Olatunde
Mojeed Salmon Olatunde on 16 Dec 2016
Please after applying canny, and getting the edge, please how can I extract only the edge I get to aquire the pixels of edge only without background, and get the gray value of the pixels of edge only, without background.

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