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64 wiersze
2.5 KiB
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<!-- received="Sun Nov 16 21:19:08 1997 PST" -->
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<!-- sent="Mon, 17 Nov 1997 00:19:02 -0500" -->
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<!-- name="Jeffrey Ebert" -->
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<!-- email="ebert@pobox.com" -->
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<!-- subject="Color problems with SANE and UMAX UC630" -->
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<title>sane-devel: Color problems with SANE and UMAX UC630</title>
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<h1>Color problems with SANE and UMAX UC630</h1>
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<b>Jeffrey Ebert</b> (<a href="mailto:ebert@pobox.com"><i>ebert@pobox.com</i></a>)<br>
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<i>Mon, 17 Nov 1997 00:19:02 -0500</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#116">[ date ]</a><a href="index.html#116">[ thread ]</a><a href="subject.html#116">[ subject ]</a><a href="author.html#116">[ author ]</a>
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<li> <b>Next message:</b> <a href="0117.html">Raffi Krikorian: "qcam under linux"</a>
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<li> <b>Previous message:</b> <a href="0115.html">Raffi Krikorian: "compatibility"</a>
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</ul>
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I have successfully compiled and installed sane-0.67 on a Linux system<br>
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with a UMAX UC630 scanner attached using a SCSI host adapter.<br>
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<p>
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Now I am trying to get useful scans from it.<br>
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<p>
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This is my first experience with a scanner of any sort (using any OS), so<br>
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please excuse my novice questions.<br>
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<p>
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I have experimented with scanimage and xscanimage, but the results are<br>
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always the same. The color of the image is very poor, and I don't know<br>
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what adjustments to make to improve it. I have fiddled with the "white<br>
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level" and "black level" sliders, but to no avail. I have also made<br>
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adjustments using the gamma tables in xscanimage, but the previews always<br>
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look the same.<br>
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<p>
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I am guessing that a gamma table that works for on UC630 would work for<br>
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all of them. Does anyone have one that they can provide?<br>
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<p>
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If not, could someone tell me how to go about correcting the color<br>
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problems? I don't know where to begin.<br>
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<p>
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Thanks in advance for your help.<br>
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<p>
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<pre>
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--
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Jeff Ebert
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<a href="mailto:ebert@pobox.com">ebert@pobox.com</a>
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<p>
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<pre>
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--
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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">majordomo@mostang.com</a>
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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0117.html">Raffi Krikorian: "qcam under linux"</a>
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<li> <b>Previous message:</b> <a href="0115.html">Raffi Krikorian: "compatibility"</a>
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<!-- nextthread="start" -->
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</ul>
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