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Re: [OM] Dust and Scratch Removal

Subject: Re: [OM] Dust and Scratch Removal
From: Moose <olymoose@xxxxxxxxx>
Date: Mon, 01 Sep 2014 21:12:31 -0400
On 9/1/2014 8:30 PM, Chuck Norcutt wrote:
The best dust and scratch remover is hardware and not software... scanners that employ a 4th color channel using infrared. Unfortunately they don't work with B&W silver film although B&W chromogenic is OK. They also work poorly with Kodachrome but some scanners seem to be able to make the IR channel work to some degree.

I think it's not the scanners, but the software. Both VueScan and that other product that Tina wrestled with for so long, the name of which escapes me, have claimed recently a much improved processing of Kodachrome.


The problem with software dust and scratch removal is that the software has no way of determining whether what looks like a scratch or speck is actually a a small bit of important detail. The software tends to soften the image as well as reducing the dust and scratches.

I think Tina knows all this. As I recall, she applies PD&S to a layer, then paints it in or out, to clear up sky, etc. without blurring important detail. Something like that at least. Not a bad solution to a difficult problem.

What she is asking for is a lead to something as good or better than the long abandoned Polaroid software that will run 64 bit.

Many Bits Moose

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