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avfilter/interlace: add complex vertical low-pass filter

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This complex (-1 2 6 2 -1) filter slightly less reduces interlace 'twitter' but better retain detail and subjective sharpness impression compared to the linear (1 2 1) filter.

Signed-off-by: Thomas Mundt <tmundt75@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Thomas Mundt
2017-04-20 23:33:39 +02:00
committed by James Almer
parent 20da413502
commit 2da5bf4c2f
10 changed files with 246 additions and 24 deletions
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30
tests/ref/fate/filter-interlace-complex Normal file
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#tb 0: 2/25
#media_type 0: video
#codec_id 0: rawvideo
#dimensions 0: 352x288
#sar 0: 0/1
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