kopia lustrzana https://gitlab.com/sane-project/website
66 wiersze
2.7 KiB
HTML
66 wiersze
2.7 KiB
HTML
<!-- received="Sat Apr 24 10:33:15 1999 PDT" -->
|
|
<!-- sent="Sat, 24 Apr 1999 19:36:57 +0200 (MEST)" -->
|
|
<!-- name="becka@rz.uni-duesseldorf.de" -->
|
|
<!-- email="becka@rz.uni-duesseldorf.de" -->
|
|
<!-- subject="Re: Scanning and interpolation" -->
|
|
<!-- id="m10b6ML-000CEgC@hades.beck-sw.de" -->
|
|
<!-- inreplyto="m10akNr-000CEgC@hades.beck-sw.de" -->
|
|
<title>sane-devel: Re: Scanning and interpolation</title>
|
|
<h1>Re: Scanning and interpolation</h1>
|
|
<a href="mailto:becka@rz.uni-duesseldorf.de"><i>becka@rz.uni-duesseldorf.de</i></a><br>
|
|
<i>Sat, 24 Apr 1999 19:36:57 +0200 (MEST)</i>
|
|
<p>
|
|
<ul>
|
|
<li> <b>Messages sorted by:</b> <a href="date.html#346">[ date ]</a><a href="index.html#346">[ thread ]</a><a href="subject.html#346">[ subject ]</a><a href="author.html#346">[ author ]</a>
|
|
<!-- next="start" -->
|
|
<li> <b>Next message:</b> <a href="0347.html">John Profic: "Re: WinSANE0.9 and WinSANE 0.0.1.0"</a>
|
|
<li> <b>Previous message:</b> <a href="0345.html">Faisal Nasim: "Re: Where is ScanImage in the RPM?"</a>
|
|
<li> <b>In reply to:</b> <a href="0334.html">becka@rz.uni-duesseldorf.de: "Re: Scanning and interpolation"</a>
|
|
<!-- nextthread="start" -->
|
|
<!-- reply="end" -->
|
|
</ul>
|
|
<!-- body="start" -->
|
|
Hi !<br>
|
|
<p>
|
|
<i>> > Is the algorithms behind this [Interpolation] free ? </i><br>
|
|
<i>> </i><br>
|
|
<i>> I hope so. If someone patented this : </i><br>
|
|
<i>> </i><br>
|
|
<i>> interpolated_pixel(between_pixel_1_and_pixel_2)=</i><br>
|
|
<i>> ( pixel_1*distance_to_1+</i><br>
|
|
<i>> pixel_2*distance_to_2) /</i><br>
|
|
<i>> ( distance_to_1+distance_to_2 )</i><br>
|
|
<i>> </i><br>
|
|
<i>> he is definitely insane.</i><br>
|
|
<p>
|
|
In deed. Just as me. Of course it must be:<br>
|
|
<p>
|
|
interpolated_pixel(between_pixel_1_and_pixel_2)=<br>
|
|
( pixel_1*distance_to_2+<br>
|
|
pixel_2*distance_to_1) /<br>
|
|
( distance_to_1+distance_to_2 )<br>
|
|
<p>
|
|
As otherwise you'd swap the direction of the gradient.<br>
|
|
<p>
|
|
CU, ANdy<br>
|
|
<p>
|
|
<pre>
|
|
--
|
|
= Andreas Beck | Email : <<a href="mailto:andreas.beck@ggi-project.org">andreas.beck@ggi-project.org</a>> =
|
|
<p>
|
|
<pre>
|
|
--
|
|
Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a>
|
|
To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a>
|
|
</pre>
|
|
<!-- body="end" -->
|
|
<p>
|
|
<ul>
|
|
<!-- next="start" -->
|
|
<li> <b>Next message:</b> <a href="0347.html">John Profic: "Re: WinSANE0.9 and WinSANE 0.0.1.0"</a>
|
|
<li> <b>Previous message:</b> <a href="0345.html">Faisal Nasim: "Re: Where is ScanImage in the RPM?"</a>
|
|
<li> <b>In reply to:</b> <a href="0334.html">becka@rz.uni-duesseldorf.de: "Re: Scanning and interpolation"</a>
|
|
<!-- nextthread="start" -->
|
|
<!-- reply="end" -->
|
|
</ul>
|