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RE: filmscanners: Profiling negative films
Ed writes ...
> michael@shaffer.net writes:
>
> > ... Ed may have more to say, but I believe his
> > evaluation of Q60 target results only in a
> > matrix-type profile, which, generally is a
> > simplification of a device profile.
>
> As long as the sensor is linear, there's nothing that can even
> theoretically be more accurate than a 3x3 matrix transform. This
> is what VueScan uses.
> ...
Just to clarify ... does a simple "3x3 matrix" profile allow for the
capture of each R,G & B channel having a different "linearity"?
shAf :o)
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