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Re: filmscanners: Profiling negative films
In a message dated 4/25/2001 10:27:32 AM EST, michael@shaffer.net writes:
> > 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"?
I don't know what "different linearity" means. The 3x3 matrix
transform assumes that each CCD channel's value is linearly
related to the number of photons that hits it.
Regards,
Ed Hamrick
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