2015-06-07, 21:28
(2015-06-07, 21:27)looun Wrote: ok , but The human eye can see 0.40-0.70 difference?
Yes - if it is manifested as banding. The eyes are quite good at spotting that. If you hide the errors with dither you are less likely to see it. (Quantel patented a clever form of dither called Dynamic Rounding ™ in the 80s that helped mask 8 bit conversion artefacts.)
