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Re: filmscanners: Vuescan - A few technical questions
In a message dated 3/4/2001 8:39:50 PM EST, ironworks@ameritech.net writes:
> Is the scan in Vuescan's memory the same as the "raw scan"?
Yes.
> And do any of the settings on the Color Tab or the Media tab affect the
scan
> in memory and/or the raw scan?
No.
> Finally, if you know (or if it's not a trade secret for Ed), what type of
> color modification is made by the "Restore Color" option? I scanned a Q-60
> without it and the colors were off - Blue was about 10 points too low.
With
> the Restore Color option checked the result was fairly accurate.
The restore color option does three things (not in this order):
1) adjusts the gamma of the three colors to adjust for film fading
or sensor nonlinearity
2) adjusts the colors with a 3x3 matrix
3) adjusts for white balance
Regards,
Ed Hamrick
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