Argyll scanner profiles' AtoB & BtoA tags

Argyllcms 1.3.2
Scanner target: Kodak IT8 Q60 reflective
Commands:
                     a) colprof -v -qh -al scanner
                     b) colprof -v -qh -al -u scanner      (Forces cLUT profile absolute)
                     c) colprof -v -qh -al -un scanner    (Forces cLUT profile absolute but cLUT white &
                                                                             black points will not be extrapolated with matrix)
Option -u
The -u option causes the lut based input profile to be generated in such a way that the lut table defaults to absolute color values, in that the white of the reference chart will be mapped to its absolute value. Any value whiter than the white reference will not be clipped by the profile, wheares values outside the range of the reference chart will be extrapolated.


AtoB tag

BtoA tag