Am 15.11.2012 15:32, schrieb Andrei Szeghy: > I guess this is more a color question than littleCms. Regardless, I'm > trying to understand the effects of black point comp on color "correctness" > for in gamut colors. Tried to come to a conclusion with test, but I get > mixed results.
While black point compensation makes pleasing conversions reproducible, they are colorimetrically not correct. For that one still has the relative and absolute colorimetric intents. > The scenario is this. Rgb image has in gamut corporate logo and a photo > with both in and out of gamut colors. I apply relative colorimetric > transform with BPC and the photo improves with a great reduction in > clipping. However, the logo has now shifted as well and I can't say it's > less or more accurate. Meaning, is some test cases the deltaE with BPC was > larger and in others smaller. Try applying different rendering intents on parts of the image? kind regards Kai-Uwe Behrmann -- www.behrmann.name www.oyranos.org ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user
