Re: Colorsync-users Digest, Vol 2, Issue 335

Subject: Re: Colorsync-users Digest, Vol 2, Issue 335

From: Karl Koch <email@hidden>

Date: Wed, 31 Aug 2005 17:33:10 +0200

Delivered-to: email@hidden

Hi Roger,

Am 31.08.2005 um 16:53 schrieb email@hidden:

Hi Matt,

yes, it's still version 1.0 (because so far there was nothing that

needed fixing....).

Olaf Druemmer

European Color Initiative

What about making it based on a gamma 2.2?

this would kill one problem by introducing another one. Why not make it based on L* like in LStar-RGB ( http://www.lstarrgb.com sorry, description in German only at this time) which describes the same gamut but with equidistant RGB values in the gray axis. When HP and Microsoft (not sure about the amount of Microsoft´s contribution, though) created the sRGB Profile they found Gamma 2.2 not to be ideal and modified the curve in the shhadow part so what looks pretty much like L*. So why not use L* right from the start?

Best regards,

Karl Koch

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