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Article #18

Re: Fixing Interlace Shear in FrameGrabs?

#18
From: Matthew James Scott
Date: Mon, 02 Aug 1999 00:00
41 lines
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I think maybe ImageFX has this option, I`m not sure (this is from memory) but
it's worth a try.  There may be a demo on Aminet or somewhere...

Matt

Soy Sprite wrote:

>  Does anybody know of a program that lets you correct motion-induced
> shearing that appears in video framegrabs?
>
>  --You know how a moving object on video, gets sliced up due to
> interlacing?  One field shows half the raster lines, and the next field
> (created 1/30th of a second later in NTSC, 1/25th in PAL) shows the
> subject moved over a little bit farther.  The result looks like crud.
> Sometimes it looks blurry, other times it's all zippery.
>
>   I know the AGA-Toaster had great software to deal with this but I don't
> have a Toaster so I need help in finding software to do this simple
> correction.  I don't even know if the Toaster software would run (at all)
> without a Toaster being installed.
>
>  I've seen such a prog on the older Macs.  The Amiga, with it's raster
> coprocessor would be ideal for realtime preview of fine-tuning of such
> images (though most programmers don't seem to understand the Amiga's novel
> hardware).
>
>  BTW the framegrabs are being done on a (ick) DraCo Casablanca.  It's a
> castrated Amiga AFAIK.  The Casablanca is, in this case, networked to a
> Wintel box, so I can use Wintel software if you have any de-shearers to
> suggest.
>
> If you can cc: a reply to me that would help a lot.

--
Kewill Electronic Commerce
Name: Matthew Scott
Dept: Software Development
Tel : +44 (0)161 952 8027
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Mail: mailto:matthew.scott@kewill.com
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From: Matthew James Scott <matthew.scott@kewill.com>
Subject: Re: Fixing Interlace Shear in FrameGrabs?
Date: 1999/08/02
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