[filmscanners] Re: NeatImage

["Peter Klein" <pklein@2alpha.net>]

After some time with Neat Image, I've begun to get the hang of it.  The
trick is to leave enough noise so that the image doesn't look like
plastic.  I often use as little as 30% reduction in the Y channel, leaving
the color channels at 100%  I find the amount of reduction where a sample
area I've marked looks plastic.  Then I add a bit of noise back, keeping in
mind any intended output size.  I've found that a little noise is better
than none at all, and can actually make things look a little more detailed
than they really are.  This all applies to both film and digital camera images.

What I don't quite understand yet is the practical difference between the
Noise Filter Settings and Noise Reduction amounts (in the Noise Filter
settings tab).  So far, I've been leaving the Noise Filter Settings at
default, and adjusting the Noise Reduction Amounts.  I know that the Noise
Filter Settings denote how much data is *considered* noise, relative to the
profile, and the Noise Reduction Amounts denote how much reduction is
actually applied.  But I don't really understand what practical (visual)
difference it makes to adjust one as opposed to the other.

Can someone explain this?

Thanks,
--Peter

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