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Hi there. This is a histogram of a grayscaled image I have:
I need it to be more like this:
And I wonder what's the best and efficient way to reach it. In general, I need n% (I guess n is between 0-20) of the image's area with the highest luminance to be brighter. Or (100-n)% to be darker.
Hi there. This is a histogram of a grayscaled image I have:
I need it to be more like this:
And I wonder what's the best and efficient way to reach it. In general, I need n% (I guess n is between 0-20) of the image's area with the highest luminance to be brighter. Or (100-n)% to be darker. I tried chanigng each pixel's luminance one-by-one but it is highly ineffective.
