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	<id>http://www.avisynth.nl/index.php?action=history&amp;feed=atom&amp;title=MaskTools%2FHysteresyMask</id>
	<title>MaskTools/HysteresyMask - Revision history</title>
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	<updated>2026-08-24T22:08:43Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://www.avisynth.nl/index.php?title=MaskTools/HysteresyMask&amp;diff=171&amp;oldid=prev</id>
		<title>Admin: 1 revision</title>
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		<updated>2013-05-09T15:01:59Z</updated>

		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FilterCat|External_filters|Other_filters|Support_filters}}&lt;br /&gt;
&lt;br /&gt;
{{FuncDef|HysteresyMask (clip mask_clip1, clip mask_clip2)}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Plugin&amp;#039;&amp;#039;&amp;#039;: [[MaskTools]]&lt;br /&gt;
&lt;br /&gt;
This filter creates a mask from two masks. Theoritically, the first mask should be inside the second one, but it can work if it isn&amp;#039;t true (though results will be less interesting). The principle of the filter is to enlarge the parts that belongs to both masks, inside the second mask.&lt;br /&gt;
&lt;br /&gt;
This algorithm is interesting because it allows for example to obtain an edge mask with all the interesting edges, but without the noise. You build two edge masks, one with a lot of edges and noise, the other one with a few edges and almost no noise. Then, you use this filter, and you should obtain the edges, without the noise, because the noise wasn&amp;#039;t there in the second mask. &lt;br /&gt;
----&lt;br /&gt;
Back to [[MaskTools]].&lt;/div&gt;</summary>
		<author><name>Admin</name></author>
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