Re: floats & Color APIs
Re: floats & Color APIs
- Subject: Re: floats & Color APIs
- From: Gordon Apple <email@hidden>
- Date: Wed, 25 Oct 2006 12:12:48 -0500
The human eye can definitely tell a difference at 8 bits and maybe a few
more, particularly when areas are side-by-side. You can easily see
contouring at that level in near-solid areas and even perceive mach-banding
that occurs due to pre-processing in the eye's retina. 16 is overkill, but
is the next convenient level and allows for processing re-quantization.
Floating point allows easy scaling, fading, etc. Modern processors compute
floating point as easily (or even easier) than integer arithmetic.
--
Gordon Apple
Ed4U
Little Rock, AR
email@hidden
> I wouldn't be surprised if the human eye could perceive 10-12 bits of
> fidelity, but that's pushing it. 16 bits is almost certainly overkill.
>
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