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<TITLE>sane-devel: Threshold</TITLE>
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<META NAME="Author" CONTENT="Oliver Rauch (oliver.rauch@Wolfsburg.DE)">
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<META NAME="Subject" CONTENT="Threshold">
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<H1>Threshold</H1>
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<!-- received="Sun Feb 6 01:41:06 2000" -->
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<!-- name="Oliver Rauch" -->
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<!-- subject="Threshold" -->
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<STRONG>From:</STRONG> Oliver Rauch (<A HREF="mailto:oliver.rauch@Wolfsburg.DE?Subject=Re:%20Threshold&In-Reply-To=<389D419D.4D323881@wolfsburg.de>"><EM>oliver.rauch@Wolfsburg.DE</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun Feb 06 2000 - 01:40:45 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0062.html">Petter Reinholdtsen: "Re: snapshot 20000130 include/sane/config.h"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0060.html">Oliver Rauch: "Re: umax 2000U and sane-umax backend"</A>
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Hi,
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<BR>
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<P>how is the threshold (for lineart scans) normally defined?
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<BR>
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<P>1) threshold=0 => all black, threshold=100% => all white
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<BR>
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or
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<BR>
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2) threshold=0 => all white, threshold=100% => all black
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<BR>
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<P>For umax scanners it is 2) what is the opposite of a
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<BR>
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brightness selection. How is this for other scanners defined
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<BR>
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and how should this be defined in a frontend?
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<BR>
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<P>I would prefer a selection that does work like a brightness
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<BR>
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(high values => bright picture), but when it is defined the other
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<BR>
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way around I will implement that way.
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<BR>
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<P>Bye
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<BR>
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Oliver
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<BR>
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<P><P><PRE>
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--
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Homepage: <A HREF="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</A>
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sane-umax: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-umax.html">http://www.wolfsburg.de/~rauch/sane/sane-umax.html</A>
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xsane: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-xsane.html">http://www.wolfsburg.de/~rauch/sane/sane-xsane.html</A>
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E-Mail: mailto:<A HREF="mailto:Oliver.Rauch@Wolfsburg.DE?Subject=Re:%20Threshold&In-Reply-To=<389D419D.4D323881@wolfsburg.de>">Oliver.Rauch@Wolfsburg.DE</A>
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<P><P><P><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:%20Threshold&In-Reply-To=<389D419D.4D323881@wolfsburg.de>">majordomo@mostang.com</A>
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</PRE>
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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>Sun Feb 06 2000 - 01:43:16 PST</EM>
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