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Old 27th March 2008, 08:35   #2  |  Link
Didée
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Join Date: Apr 2002
Location: Germany
Posts: 5,391
No problem to do that with MaskTools. Basic operation is just this:

Code:
mt_luts(last,last,mode="average",pixels="0 -1 -1 0 0 1 1 0",expr="y",Y=2,U=3,V=3)
To complete cloning of Xvid's operation, one would additionally need to build a mask for Y values Y<16 + Y>235, expand it with mt_expand(mode="both"), and use that for masking. Not sure if that's really needed for your tests, though.
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