[argyllcms] Re: gamut mapping

From: Klaus Karcher <lists@xxxxxxxxxxxxxxxxx>
To: argyllcms@xxxxxxxxxxxxx
Date: Fri, 24 Jul 2009 14:05:32 +0200

nome cognome schrieb:

I did a test with a real photo, here it is:
http://darkbasic.homelinux.com/images/sv2/090714_1_1200_adobergb_16bit.png
http://darkbasic.homelinux.com/images/sv2/090714_1_1200_sRGB-relative_16bit.png
http://darkbasic.homelinux.com/images/sv2/090714_1_1200_sRGB-perceptual-argyll_16bit.png

tiffgamut -d1.0 -pj -cmt 090714_1_1200_adobergb_16bit.tif
090714_1_1200_adobergb_16bit.tif
collink -qh -G 090714_1_1200_adobergb_16bit.gam -ip -cmt -dmt
090714_1_1200_adobergb_16bit.tif sRGB_Color_Space_Profile.icm link.icc
cctiff -dsRGB_Color_Space_Profile.icm link.icc
090714_1_1200_adobergb_16bit.tif
090714_1_1200_sRGB-perceptual-argyll_16bit.tif

The relative intent it's really, really better with this photo.


... but there is pretty much clipping in the red channel!

here are two GaMapICC 0.3b results (50% and 100% filtering in tiffgamut):
http://digitalproof.info/gamapicc/090714_1_1200_adobergb_16bit_sRGB_IEC61966-2.1_is50.tif
http://digitalproof.info/gamapicc/090714_1_1200_adobergb_16bit_sRGB_IEC61966-2.1_is100.tif

BTW: how do you asses the original AdobeRGB file?

Klaus

Follow-Ups:

[argyllcms] Re: gamut mapping
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References:
- [argyllcms] gamut mapping
  - From: nome cognome
- [argyllcms] Re: gamut mapping
  - From: Graeme Gill
- [argyllcms] Re: gamut mapping
  - From: nome cognome
- [argyllcms] Re: gamut mapping
  - From: edmund ronald
- [argyllcms] Re: gamut mapping
  - From: Klaus Karcher
- [argyllcms] Re: gamut mapping
  - From: edmund ronald
- [argyllcms] Re: gamut mapping
  - From: Klaus Karcher
- [argyllcms] Re: gamut mapping
  - From: edmund ronald
- [argyllcms] Re: gamut mapping
  - From: Klaus Karcher
- [argyllcms] Re: gamut mapping
  - From: nome cognome

[argyllcms] Re: gamut mapping

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