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     áòèé÷ :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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[filmscanners] RE: Scanning with too much resolution? (was:PS sharpening...)




> > I think, perhaps, you meant
> >
> > "... may not be able to reproduce the original details correctly, ..."
> >
> > or, at least, that wording makes more sense to me.
>
> No, what I meant is that instead of making each pixel the average of the
> entire area it represents, it may instead be taking a sample of a smaller
> point. This would mean that a block of pixels would be sampling a block of
> discontiguous small points, and ignoring the light between them. This has
> the effect of taking finer detail and aliasing it down.

Hi Paul,

Another way to do it when downsampling would be to "weight" detail...to a
degree.  At least, though the detail would become disproportional to what it
originally was, it would still "exist".

Austin

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