Image A1: Vertical Mach Bands

Image A2: Horizontal Mach Bands

Image B: Sinusoidal Grating

Image C: Boxen

The following parameters have been used for creating this image: l1=0, l2=255, X=128.

Image D: Boxen

The following parameters have been used for creating this image: F=255 = 255, I=0.