Re: saturation rendering
Re: saturation rendering
- Subject: Re: saturation rendering
- From: Marco Ugolini <email@hidden>
- Date: Fri, 15 Sep 2006 20:54:39 -0700
In a message dated 9/15/06 2:38 PM, eugene appert wrote:
> Hello.
>
> The following two sentences, both from definitions of saturation rendering
> intent have lead to discordant understandings among my colleagues. The first
> is ³Saturation just tries to produce vivid colours² from Fraser, Murphy
> Bunting, and the second, ³Saturation requests a highly saturated rendering²
> from Adobe Help. Both of these phrases seem to be saying that source colours
> will be more saturated in the target space. Among us there are those who
> believe that saturation rendering realigns and compresses the entire space to
> maintant visual relationships based on saturation much like perceptual does
> with tint, and others who believe this rendering intent increases colour
> saturation.
My understanding is that Perceptual Rendering preserves lightness at the
expense of saturation and hue angle, whereas Saturation rendering preserves
saturation at the expense of lightness and hue accuracy.
I do not understand that to mean that Saturation Rendering *enhances*
saturation, but only to mean that it will work to preserve the fullest
extent possible of the *already existing* saturation of the colors in the
file.
Regards.
--------------
Marco Ugolini
Mill Valley, CA
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