Using this algorithm I can increase contrast but applications like Paint.Net can increase contrast significantly. For example it can convert this image to this image (by setting contrast to 100 and brightness to 100, whatever it means). So my question is if there is any particular algorithm or this is something custom?

  • $\begingroup$ There exist many methods to do this. If I get to it, I can show you one. It's a bit computationally demanding and theoretical, but get really cool results. $\endgroup$ – mathreadler Jun 25 '15 at 11:34
  • $\begingroup$ i appreciate that. Is there any common name for these algorithms? $\endgroup$ – Artur Shamsutdinov Jun 25 '15 at 12:26

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