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Thread: Re: lcms vs. libjpeg for CIELAB ITU-Fax T.43/T.42




Re: lcms vs. libjpeg for CIELAB ITU-Fax T.43/T.42
user name
2007-10-23 17:44:34
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.
>

The itufax.icm file can be generated by compling and running

lcms-1.17/samples/itufax.c in the little cms distribution.

[rootgollum lcms-1.17]# file samples/itufax.icm
samples/itufax.icm: Kodak Color Management System, ICC
Profile
[rootgollum lcms-1.17]#

As I've not used lcms before could you clarify on the
triviality of 
implementing the converter?

Thanks,

Lee.

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