LibTiff Mailing List
TIFF and LibTiff Mailing List Archive
October 2007
Previous Thread
Next Thread
Previous by Thread
Next by Thread
Previous by Date
Next by Date
Contact
The TIFF Mailing List Homepage
This list is run by Frank Warmerdam
Archive maintained by AWare Systems
Thread
2007.10.23 17:21 "Re: Floating-point 32bit sample data", by Joris Van Damme
Kai-Uwe Behrmann wrote: > > Are floating point RGB data stored gamma corrected or linearized? > > The data is best stored in a linear matrix space, much like camera > RAW. OpenEXR even suggests now to use XYZ instead of RGB. Only, there isn't a photometric value for it. RGB, without embedded ICC profile, is mostly agreed upon to mean sRGB. Another and probably more unambigious way to store color data, even if I feel RGB is regarded sRGB by just about anyone, is CIE L*a*b*, and there's a proper photometric for that one and a totally unambigious scale and meaning for floating point CIE L*a*b* data. Best regards, Joris Van Damme info@awaresystems.be http://www.awaresystems.be/ Download your free TIFF tag viewer for windows here: http://www.awaresystems.be/imaging/tiff/astifftagviewer.html