On Tue, 23 Oct 2007, Hal V. Engel wrote: > > I find several references on the web to a CIELab ITU/Fax profile named > iitufax.icm but I was not able to find a copy of it. But if it is available > or if there are enough specifications to create one then using lcms to > convert between the normal colorspaces that we see used for most jpeg images > and CIELAB ITU-Fax T.43/T.42 in either direction should be almost trivial to > implement.
Is it possibly this file from the lcms profiles collection? LCMSLABI.ICM little cms Relative L*a*b* identity profile WhitePoint : D50 XYZ=(1.0, 1.0, 0.8) Lab=(100.000, 0.016, -0.016) (x,y)=(0.346, 0.359) Hue=314.75, Chroma=0.02 or is FAX different? There is also: Tifflab8spac.icm TiffLab8Spac D65 (c) Linotype-Hell WhitePoint : D65 (daylight) XYZ=(1.0, 1.0, 1.1) Lab=(100.000, -2.379, -19.401) (x,y)=(0.313, 0.329) Hue=263.01, Chroma=19.55 Bob ====================================== Bob Friesenhahn [EMAIL PROTECTED], http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user