Freepages-Help-L ArchivesArchiver > Freepages-Help > 2003-07 > 1057755411
From: jhintz <>
Subject: Re: [FreeHelp] Scanning photos
Date: Wed, 09 Jul 2003 07:56:51 -0500
References: <001b01c345cd$c8d1a2e0$2301a8c0@computer> <000b01c3460d$f3295fc0$47210650@susie>
Sometimes adjusting focus will help - 'unsharpen' - 'blur' - 'soften'
... whatever term your photo software uses, but it's the oposite of
sharpening the image. Use the other suggestions first, then play with
this as an additional adjustment.
Adrian Furniss wrote:
> Your "waffle effect" is known as "screening", caused by an interaction of
> the original print process and the scanning process.
> The solution is to rescan with a "descreen" setting. This is not offered by
> all scanners/software, but you may be lucky. It may also be called something
> different with your scanner so best read the manual.
> As far as I can gather, descreening is more of an art than a science, unless
> you happen to know precisely the dot-frequency of the original photos. I've
> used it on a couple of occasions with varying success. You have to be
> prepared to experiment until you find the right setting. The good news is
> that, if all your photos are from the same book, the setting is likely to be
> the same for all.
> ----- Original Message -----
> From: "B.gibson" <>
> To: <>
> Sent: Wednesday, July 09, 2003 4:54 AM
> Subject: [FreeHelp] Scanning photos
> > I recently finished a transcription of an anniversary book to a separate
> > section of my genealogy site at rootsweb
> > http://freepages.genealogy.rootsweb.com/~smealkin/OhioChurch/Cover.html
> > and seem to be having trouble with the photos. The photos were published
> > a softbound book in 1975 and are all black an white. I've scanned most of
> > them at 100 dpi, the lowest resolution on my scanner, and uploaded them to
> > my directory, when viewing them on my pages, they seem to have a waffle
> > effect. How can I fix that?
> > Brenda
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