the number of colors is also an LCD driver/twister/filter issue,
too. the input signal may have more bits than LCD can output.
like the resolution of a digital camera, Fujifilm claims much
higher number of pixels than its super-CCD physically contains.
so color, what color?
>From: Tom Motoyoshi Kalland <tmk_at_earthling.net>
>Subject: (keitai-l) Re: korean handset subsidies
>Date: Thu, 04 Apr 2002 13:01:03 +0200
>the human eye's ability to distinguish colours depends on the colours
>though. like, our eyes suck at distinguishing blue gradients. in most cases
>24bit should be enough, but there are cases in which one needs an even
>higher accuracy. some years back they used 30 bit colour depth (10 bit on
>channel) for colour vision research. they might use even more now.
>At 12:40 04.04.2002 +0200, you wrote:
> >I heard the human eye can in fact distinguish something like two million
> >colors. Whether this is necessary is another question.
> >What's not in question is that 262,144 colors need 2 bits more per pixel
> >than 65536 colors and that's a potential 12.5% price increase for the
> >size of a picture in packet fees (not counting compression here, for
> >it wouln't make a difference at all afaik). Subtle opportunity to
> >prices (more difficult with products like milk and butter where at least
> >Germany there's a law on how much empty space you may package)! Same is
> >for an increase of screen format - if widely adopted.
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Received on Thu Apr 4 15:57:40 2002