> oliver.rauch@Wolfsburg.DE said:
> > If the 12 bits are streched to a 16 bit range, the lower 4 bits are
> > simply not used. If you want to add two images, you have to dived the
> > values by two before you add the values.
>
> Er, if I stretch to use the *full* dynamic range this is not the case.
If you do a linear tranformation this is simply a multiplication and so
the lower 4 bits are not used.
And that this is done as a linear tranfromation should be clear!
So: IT IS THE CASE DESCRIBED ABOVE!
>
>
> > It is not the sense of SANE to deal with such special features. SANE
> > is for scanning, we don`t want to make a new pixelgraphic program like
> > gimp
>
> SANE is for scanning, and what about those people that will be throwing
> their hands in the air if the scanning software is mugging their precious
> pixel values. For some applications this stretching of the values is
> simply not acceptable, why is SANE seeking to rule these applications
> out?
>
It is not right that the software is "mugging their precious pixel values"
Bye
Oliver
-- EMAIL: Oliver.Rauch@Wolfsburg.DE WWW: http://www.wolfsburg.de/~rauch
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