mike wilson <[EMAIL PROTECTED]> wrote: >> From: "Herb Chong" <[EMAIL PROTECTED]> >> >> the real test is scanning greens. the eye is most sensitive in that color >> area. >> >Care to elucidate?
1: The green channel of a digital image very closely corresponds to the overall luminance of the image. 2: The human eye is also most sensitive in its "green channel" so to speak. 3: Item #2 is probably an evolutionary response to #1 4: Digital camera sensors have twice as many green pixels as red or blue (deliberately so - obviously! - because of #1 and #2) -- Mark Roberts Photography and writing www.robertstech.com
