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doc/filters: extend midequalizer description 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Paul B Mahol 2017-02-07 10:09:18 +01:00
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commit e87a4a85c1
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doc/filters.texi
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@ -9647,6 +9647,14 @@ Search parameter. Default @code{7}.
Apply Midway Image Equalization effect using two video streams.
Midway Image Equalization adjusts a pair of images to have the same
histogram, while maintaining their dynamics as much as possible. It's
useful for e.g. matching exposures from a pair of stereo cameras.
This filter has two inputs and one output, which must be of same pixel format, but
may be of different sizes. The output of filter is first input adjusted with
midway histogram of both inputs.
This filter accepts the following option:
@table @option