kopia lustrzana https://gitlab.com/sane-project/website
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2.8 KiB
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64 wiersze
2.8 KiB
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<!-- received="Tue Jul 27 14:53:58 1999 PDT" -->
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<!-- sent="Wed, 28 Jul 1999 00:10:04 +0200" -->
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<!-- name="Ewald R. de Wit" -->
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<!-- email="ewald@pobox.com" -->
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<!-- subject="LS30 prescan" -->
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<!-- inreplyto="379D9B81.83635113@gemse.fr" -->
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<title>sane-devel: LS30 prescan</title>
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<h1>LS30 prescan</h1>
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<b>Ewald R. de Wit</b> (<a href="mailto:ewald@pobox.com"><i>ewald@pobox.com</i></a>)<br>
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<i>Wed, 28 Jul 1999 00:10:04 +0200</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#199">[ date ]</a><a href="index.html#199">[ thread ]</a><a href="subject.html#199">[ subject ]</a><a href="author.html#199">[ author ]</a>
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<li> <b>Next message:</b> <a href="0200.html">Bernd Schroeder: "Re: Microtek ScanMaker IV on Linux-2.2.10 (Redhat 6.0)"</a>
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<li> <b>Previous message:</b> <a href="0198.html">Peter Kirchgessner: "Re: ScanJet 4c on (DEC Alpha) NetBSD problem"</a>
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<li> <b>In reply to:</b> <a href="0188.html">Andreas Rick: "Re: Document Feeders"</a>
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<li> <b>Next in thread:</b> <a href="0202.html">Andreas Rick: "Re: LS30 prescan"</a>
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<li> <b>Reply:</b> <a href="0202.html">Andreas Rick: "Re: LS30 prescan"</a>
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</ul>
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<!-- body="start" -->
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Andreas Rick (<a href="mailto:rickand@gemse.fr">rickand@gemse.fr</a>) wrote:<br>
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<p>
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<i>> When you put the film strip into the scanner </i><br>
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<i>> (Strip of up to 6 24*36mm slides/negatives )</i><br>
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<i>> the scanner does a very quick scan of the whole strip </i><br>
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<i>> to find out and store the positions of all images. </i><br>
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<p>
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Are you positive about this? I thought the prescan was to<br>
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establish the density of the images on the filmstrip and<br>
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to use the optimal exposure time for each colorchannel<br>
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(to fill the full bit range). It can do the positioning<br>
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without prescan too so that's why I was wondering.<br>
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<p>
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Btw, is there anyway a frontend could extract the proper<br>
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RGB exposure times from you backend?<br>
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<p>
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<pre>
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--
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-- Ewald
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<p>
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<p>
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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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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0200.html">Bernd Schroeder: "Re: Microtek ScanMaker IV on Linux-2.2.10 (Redhat 6.0)"</a>
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<li> <b>Previous message:</b> <a href="0198.html">Peter Kirchgessner: "Re: ScanJet 4c on (DEC Alpha) NetBSD problem"</a>
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<li> <b>In reply to:</b> <a href="0188.html">Andreas Rick: "Re: Document Feeders"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0202.html">Andreas Rick: "Re: LS30 prescan"</a>
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<li> <b>Reply:</b> <a href="0202.html">Andreas Rick: "Re: LS30 prescan"</a>
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<!-- reply="end" -->
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</ul>
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