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2026-04-21T22:49:30Z
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Reel.Deal: Scharr
2020-02-27T14:47:54Z
<p>Scharr</p>
<p><b>New page</b></p><div>{{FilterCat4|External_filters|Plugins|Other_filters|Edge_detection}}<br />
{{Filter3<br />
| zorr<br />
|2019-01-19 <br />
|Script<br />
| Edge Detection <br />
| <br />
|6=[https://forum.doom9.org/showthread.php?p=1863275#post1863275 Doom9 Thread]}}<br />
<br />
== Description ==<br />
Edge detection using the [https://en.wikipedia.org/wiki/Sobel_operator#Alternative_operators Scharr operator].<br/><br />
<br><br />
<br />
== Requirements ==<br />
* [http://sourceforge.net/projects/avisynth2/ AviSynth 2.6.0] [32-bit]<br />
* [[AviSynth+]] [32-bit or 64-bit]<br />
* Supported color formats: [[Y8]], [[YV12]], [[YV16]], [[YV24]], [[YV411]]<br />
<br />
=== Required Plugins ===<br />
*[[MaskTools2]]<br />
<br />
<br><br />
== [[Script variables|Syntax and Parameters]] ==<br />
<br><br />
:{{Template:FuncDef|scharr (clip c)}}<br />
<br><br />
::{{Par2| |clip| }}<br />
:::Input clip; only planar formats are supported. Chroma channels are not processed.<br />
<br><br />
<br />
== Script ==<br />
<pre><br />
function scharr(clip c) {<br />
scharr_x = c.mt_edge("3 0 -3 10 0 -10 3 0 -3", thY1 = 0, thY2 = 255, y=3, u=1, v=1)<br />
scharr_y = c.mt_edge("3 10 3 0 0 0 -3 -10 -3", thY1 = 0, thY2 = 255, y=3, u=1, v=1)<br />
scharr = mt_lutxy(scharr_x, scharr_y, yexpr=mt_polish("((x*x)+(y*y))^0.5"), u=1, v=1)<br />
return scharr<br />
}<br />
</pre><br />
<br />
<br><br />
== Examples == <br />
scharr:<br />
[[AviSource]]("blah.avi")<br />
scharr ()<br />
<br><br />
== Changelog ==<br />
Version Date Changes<br> <br />
01/19/2019 - Initial release<br />
<br><br />
<br />
== External Links ==<br />
<br><br />
<br><br />
-----------------------------------------------<br />
'''Back to [[External_filters#Edge_Detection|External Filters]] &larr;'''</div>
Reel.Deal