how can i label pixels of contour ?

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hi, Having a binary image like the attached image which have 3 contours. I need to identify pixels of each contour. So, i want to assign the same label to pixels of each contour. It means that the result image contains 3 contours such that pixels of the first contour have label(=value) equal to 1, pixels of the second one have label 2 and pixels of the last contour have 3. Any suggestion will be appreciated.
thanks !

Accepted Answer

Walter Roberson
Walter Roberson on 5 Oct 2017
  1 Comment
thoraya on 6 Oct 2017
that what i need. thank you very much

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