Automatic enhancement of scanned images

  • translated to hsv
  • V-layer is corrected by scaling values from (min,max) range to (0,255) range
  • assembled back to rgb
  • correcting R,G,B layers of result by same idea as the V-layer on second step

there is no aforge.net code, because it processed by php prototype code, but afaik there is no any problem to do such with aforge.net.
results are:

enter image description here
enter image description here

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