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RE: filmscanners: GEM, ROC compared to Vuescan
When you do a scan using the Nikon interface do you have the "CleanImage"
(Nikon's old name for Digital ICE) in the "Mode: On (Sharpen)" or "Mode: On
(Normal)"? The mode Nikon calls "Mode: On (Normal)" actually blurs the image
slightly. You should run in "Mode: On (Sharpen)". This should solve your
problem with the sharpness.
The grain shouldn't affect function of Digital ICE.
Applied Science Fiction
From: Rob Geraghty [mailto:email@example.com]
"John Matturri" <firstname.lastname@example.org> wrote:
> Related: why in general does Ice-based dust removal soften the image.
> The purpose of the IR channel is to identify the particular spots that
> are dust / scratches. Shouldn't the software only affect those areas
> leaving the rest of the image alone and sharp?
Vuescan's lowest setting on dust removal doesn't seem to affect image
sharpness. ICE on my LS30 *does* affect the whole image. I suspect
that ICE "sees" the grain of the film (or rather the "apparent" grain :) as
some sort of defect and tries to correct it.
As I mentioned elsewhere, we'll have to wait and see if ICE3 has
fixed this problem.