From: A parallel nonlinear adaptive enhancement algorithm for low- or high-intensity color images
Values
Figure 8a
p = 2.5114, M = N = 5, c1 = 5, c2 = 20, c3 = 240, W i  = 1/3, i = 1, 2, 3
Figure 9a
p = 2.3158, M = N = 5, c1 = 5, c2 = 20, c3 = 240, W i  = 1/3, i = 1, 2, 3