Hello,
New inkjet printer use actually more than 4 colors, from
CcMmYK to CcMmYyKk.
I know that we can do ICC Color Profile for more than
eight channels, but I think that Manufacturer 'HP, Canon
Epson' don't do it. I take a look on the stylus photo R300
printer driver and find an ICC color profile, but it's an input
color profile RGB to PCS. I find some rsrc files, inside which
we can find informations about Printer setting, 'Halftone,
weaving, paper...' and an information about Color conversion
'Tag AB..', but I don't know if it's CMYK or CcMmYK.
I there someone who know how is made color matching for more
than 4 inks inside the driver. Is it really 8 channels interpolation or
simply CMYK interpolation, and after 1D Lut are used to find little
c, m, y,k on 8bits per components.
Or, in an other way : CMYK interpolation, halftoning 8 to 1 or 2 bits
per components and:
if Y==1 & M==1 then //red
m=1
if Y==1 & C==1 then //blue
c=1
Any comments will be welcome.
Thank you very much.
Best Regards.
Yvan.
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