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The two images are from DIBCO (Document Image Binarization Contest). The objective is to find a solution to binarize the top image (original image) to be similar to the bottom one (ground-truth image).

But if I want to make my own ground-truth image for my document image, how do I do it? Any idea, method, or technique is appreciated.

  • $\begingroup$ if just a few pairs of images would work, try to apply a simple binarization method and then polish the results manually $\endgroup$ – MimSaad Aug 8 '19 at 13:10
  • $\begingroup$ @MimSaad Polish image in pixel level is definitely nightmare, although I cannot think of any better method. $\endgroup$ – Ksiau Aug 13 '19 at 2:45
  • $\begingroup$ What have you tried? $\endgroup$ – Rethunk Aug 15 '19 at 0:48
  • $\begingroup$ I am trying to remove the shadow from the image, and then apply global threshold method to binarize it. $\endgroup$ – Ksiau Aug 15 '19 at 2:55

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