Mark Roberts mused: > > Anders Hultman <[EMAIL PROTECTED]> wrote: > > >Shel Belinkoff: > > > >>What are "quantization effects?" > > > >The effect that comes from that you only have distinct levels to play > >with, and that subtle changes have to be either on or off. > > > >Assume 8 bit gray scale. That means 256 distinct shades of gray from > >0 (full black) to 255 (full white). > > > >A change from one shade to the next, say from level #240 to #241 is > >very small in percent, but if you go from shade #1 to #2 it's a 100 > >percent increase. > > Only if you're using a linear scale.
Which we were, originally - we were discussing digital camera sensors, which are pretty much linear response devices.
