Warp nous apporta ses lumieres en ce 2007/11/17 12:19:
> Orchid XP v7 <voi### [at] devnull> wrote:
>> That's... interesting. I'm fairly sure I read somewhere that for 
>> *greyscale* the human visual system can only distinguish about 16 
>> different levels.
> 
>   That's unusually easy to prove wrong. How many bars can you count in
> this image? http://warp.povusers.org/images/grayscales.png
> 
>   The number you counted is the amount of grayscales you can distinguish
> at least. (The true number is probably at least that times 10 or more.)
> 
I can count about 30 very distinct bands, monitor permiting.

-- 
Alain
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A short cut is the longest distance between two points.

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