On Wed, 27 Oct 2004 18:48:30 -0400, J. C. O'Connell wrote: > Don't forget there are limits to how many shades of > gray the human eye can distinguish, how many shades > that is I don't know but I have a hunch it is less > than 2^16 shades (16 bit grayscale)which is 64K shades.
Sure. And if the points at which the sensor switches over from one shade to another don't match the points at which the eye does, you'll still get quantization error, even if they can distinguish the same number of shades. TTYL, DougF KG4LMZ
