Image Enhancement
T(r) has the important and desired properties:
T(r) is sigle-valued and monotonically increasing over the
This is necessary to maintain black « white transition order between the original and processed images.
0 £ T(r) £ 1 for 0 £ r £ 1 (required in order to maintain the same range of values in input and output images).
Thus T(r) equalizes the histogram of the given image.