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2.9 KiB
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<!-- received="Tue May 12 01:15:10 1998 PDT" -->
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<!-- sent="Tue, 12 May 1998 09:58:45 +0200 (MET DST)" -->
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<!-- name="Rogier Wolff" -->
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<!-- email="R.E.Wolff@BitWizard.nl" -->
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<!-- subject="Re: problems with snapscan and scanimage" -->
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<!-- id="199805120758.JAA02136@cave.BitWizard.nl" -->
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<!-- inreplyto="199805120440.VAA15693@panda.mostang.com" -->
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<title>sane-devel: Re: problems with snapscan and scanimage</title>
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<h1>Re: problems with snapscan and scanimage</h1>
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<b>Rogier Wolff</b> (<a href="mailto:R.E.Wolff@BitWizard.nl"><i>R.E.Wolff@BitWizard.nl</i></a>)<br>
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<i>Tue, 12 May 1998 09:58:45 +0200 (MET DST)</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#133">[ date ]</a><a href="index.html#133">[ thread ]</a><a href="subject.html#133">[ subject ]</a><a href="author.html#133">[ author ]</a>
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<li> <b>Next message:</b> <a href="0134.html">=?ISO-8859-1?Q?Mikko_Ty=F6l=E4j=E4rvi?=: "Re: [patch] 0.72 sane-dll.so changes..."</a>
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<li> <b>Previous message:</b> <a href="0132.html">David Mosberger-Tang: "sane 0.73 pre-test patch"</a>
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<li> <b>In reply to:</b> <a href="0130.html">David Mosberger-Tang: "Re: problems with snapscan and scanimage"</a>
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</ul>
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David Mosberger-Tang wrote:<br>
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<i>> </i><br>
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<i>> - A 10-bit gamma table does indeed make sense even when the</i><br>
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<i>> output is only 8 bits/channel. Fortunately, this can be</i><br>
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<i>> supported just fine with SANE (e.g., simply allow values in</i><br>
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<i>> the range 0..1023 for the gamma vector elements).</i><br>
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<p>
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To clarify:<br>
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<p>
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when the host interface is 8 bits but internally the scanner can work<br>
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with 10 bits, then the "enhanced" gamma table has 1024 entries which<br>
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can hold values from 0 to 255. <br>
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<p>
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Roger. <br>
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<p>
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<pre>
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--
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If it's there and you can see it, it's REAL <a href="mailto:|___R.E.Wolff@BitWizard.nl">|___R.E.Wolff@BitWizard.nl</a> |
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If it's there and you can't see it, it's TRANSPARENT | Tel: +31-15-2137555 |
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If it's not there and you can see it, it's VIRTUAL |__FAX:_+31-15-2138217 |
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If it's not there and you can't see it, it's GONE! -- Roy Wilks, 1983 |_____|
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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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</pre>
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<p>
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<ul>
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<li> <b>Next message:</b> <a href="0134.html">=?ISO-8859-1?Q?Mikko_Ty=F6l=E4j=E4rvi?=: "Re: [patch] 0.72 sane-dll.so changes..."</a>
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<li> <b>Previous message:</b> <a href="0132.html">David Mosberger-Tang: "sane 0.73 pre-test patch"</a>
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<li> <b>In reply to:</b> <a href="0130.html">David Mosberger-Tang: "Re: problems with snapscan and scanimage"</a>
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<!-- nextthread="start" -->
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</ul>
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