Histogram Specification (cont.) -from text-

Saw what we want the histogram to look like and come up with a transform function that will give it to us.
Continuous random variables r & z. Pr(r) and Pz(z) denote their probability density functions. (Continuous equivalent of a histogram).
Pr(r) input image
Pz(z) desired output image (processed) This is what we'd like the processed image to have.

Saw what we want the histogram to look like and come up with a transform function that will give it to us.