MachBanding
From Odwiki
Mach Banding are the visible striations in colour (particularly in subtle colour grads) when you convert from floating point colour depth to 8 bit. To combat this, images are dithered to break up the bands. See Dithering
Mach Banding are the visible striations in colour (particularly in subtle colour grads) when you convert from floating point colour depth to 8 bit. To combat this, images are dithered to break up the bands. See Dithering