Introduction - If you have any usage issues, please Google them yourself
adjust image brightness function imadjust J IMADJUST (I, [LOW_IN HIGH_IN], [LOW_OUT HIGH_OUT], GAMMA) GAMMA default is 1 (linear mapping), GAMMA < 1 on convex curve, GAMMA> 1- concave curve identical to the type of image I and the image f, any type of image [LOW_IN HIGH_IN], [LOW_OUT HIGH_OUT] values are in the range of 0-1 (when calculating the function to convert their own)