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<TITLE>sane-devel: Problem with scan quality using UMAX Astra 1220S</TITLE>
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<META NAME="Author" CONTENT="Rod Pike (rodneyp@utanet.at)">
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<META NAME="Subject" CONTENT="Problem with scan quality using UMAX Astra 1220S">
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<H1>Problem with scan quality using UMAX Astra 1220S</H1>
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<!-- received="Fri Nov 3 14:45:06 2000" -->
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<!-- sent="Fri, 3 Nov 2000 23:49:36 -0200" -->
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<!-- name="Rod Pike" -->
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<!-- subject="Problem with scan quality using UMAX Astra 1220S" -->
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<!-- id="20001103234936.A1028@utanet.at" -->
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<STRONG>From:</STRONG> Rod Pike (<A HREF="mailto:rodneyp@utanet.at?Subject=Re:%20Problem%20with%20scan%20quality%20using%20UMAX%20Astra%201220S&In-Reply-To=<20001103234936.A1028@utanet.at>"><EM>rodneyp@utanet.at</EM></A>)<BR>
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<STRONG>Date:</STRONG> Fri Nov 03 2000 - 17:49:36 PST
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0045.html">Oliver Rauch: "Re: Problem with scan quality using UMAX Astra 1220S"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0043.html">Timothy Little: "Re: [snapscan] Core testing group"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0045.html">Oliver Rauch: "Re: Problem with scan quality using UMAX Astra 1220S"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0045.html">Oliver Rauch: "Re: Problem with scan quality using UMAX Astra 1220S"</A>
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Greetings,
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<BR>
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<P>I'm running RH 6.2 and using the supplied version of Gimp and sane-1.0.1-4. I
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<BR>
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have a problem getting output from this combination that comes close to the
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<BR>
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quality of the output I get using the supplied Windows Twain interface (
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<BR>
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VistaScan ) that came with my UMAX Astra 1220S.
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<BR>
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<P>The problem is difficult to explain but if you look at these jpegs I think you
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<BR>
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can see what I mean. There is a faint line of pixels on the xscanimage
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<BR>
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captured image and it's hard to see here but the uniformaty of the pixels on
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<BR>
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the vistascan captured image is much smoother than that of xscanimage.
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<BR>
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<P><A HREF="http://www.iosphere.net/~sullivan/rp/sane/vistascan300dpiRGBcrop.jpg">http://www.iosphere.net/~sullivan/rp/sane/vistascan300dpiRGBcrop.jpg</A>
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<BR>
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<A HREF="http://www.iosphere.net/~sullivan/rp/sane/xscanimage300dpiRGBcrop.jpg">http://www.iosphere.net/~sullivan/rp/sane/xscanimage300dpiRGBcrop.jpg</A>
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<BR>
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<P>Both images are scanned using the same source at 300 dpi. I've used whatever
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<BR>
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default settings there are with each interface.
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<BR>
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<P>Am I missing something here?
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<BR>
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Do I just not know how to use the interface to get good results?
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<BR>
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Is there some tweaking of my setup that must be done?
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<BR>
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<P>I'd really like to solve this once and for all so that I don't have to do all
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<BR>
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my scanning from Windows and all my editing from Linux. Doing everything from
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<BR>
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Linux would be much better.
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<BR>
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<P>Any help would be great.
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<BR>
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<P>Cheers,
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<BR>
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<PRE>
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--
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Rod Pike
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rodneyp @ utanet.at
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<P>--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20Problem%20with%20scan%20quality%20using%20UMAX%20Astra%201220S&In-Reply-To=<20001103234936.A1028@utanet.at>">majordomo@mostang.com</A>
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</PRE>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0045.html">Oliver Rauch: "Re: Problem with scan quality using UMAX Astra 1220S"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0043.html">Timothy Little: "Re: [snapscan] Core testing group"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0045.html">Oliver Rauch: "Re: Problem with scan quality using UMAX Astra 1220S"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0045.html">Oliver Rauch: "Re: Problem with scan quality using UMAX Astra 1220S"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Fri Nov 03 2000 - 14:45:32 PST</EM>
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