Re: "Non-linear"?
Re: "Non-linear"?
- Subject: Re: "Non-linear"?
- From: neil snape <email@hidden>
- Date: Fri, 03 Oct 2008 07:27:54 +0200
- Thread-topic: "Non-linear"?
on 10/3/08 3:46 AM, Lorenzo Ridolfi wrote :
> Mo,
>
> sRGB tone response curve is very similar to AdobeRGB gamma 2.2 exponential
> function. Please read: http://en.wikipedia.org/wiki/SRGB
>
> In practical terms, the tone response curve from sRGB and AdobeRGB can be
> considered an exponential 2.2 function, except for minor numerical problems
> described in the above Wikipedia article.
>
> The main difference between AdobeRGB and sRGB is the chromaticity of the
> green primary (0.21, 0.71 for AdobeRGB and 0.3, 0.6 for sRGB in xy
> coordinates) not the tone response curve.
I wouldn't think there be much difference in spatial uniformity between sRGB
and Adobe RGB. Both are monitor space, both designed for a typical monitor
device, only Adobe RGB being a different set of colorants.
Neil Snape
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