It's accomplished through the use of a clever s/w algorithm which makes use
of a forth channel in the IR.  The best place to look for details is on the
ICE developer's web site, www.asf.com.

Phil

Daryl G. Jurbala wrote:

> Now I'm confused (not hard to do).  Please explain to me "where" ICE
> is.....is it software or hardware?  Or a combination of both to get that
> capability?
> Thanks,
> Daryl
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of [EMAIL PROTECTED]
> Sent: Monday, December 11, 2000 5:08 PM
> To: [EMAIL PROTECTED]
> Subject: Re: filmscanners: VueScan 6.3.19 Available
>
> Interestingly, the cleaning algorithm in VueScan (which is
> completely different than ICE) doesn't soften the image
> at all, except in the area around actual dust spots.  The
> ICE algorithm softens the image throughout when used.

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