avfilter: add bilateral filter

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index 234d851e8c..2ad4a5913c 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6336,6 +6336,23 @@ The filter accepts the following option:
 Set the minimal luminance value. Default is @code{16}.
 @end table
 
+@section bilateral
+Apply bilateral filter, spatial smoothing while preserving edges.
+
+The filter accepts the following options:
+@table @option
+@item sigmaS
+Set sigma of gaussian function to calculate spatial weight.
+Allowed range is 0 to 10. Default is 0.1.
+
+@item sigmaR
+Set sigma of gaussian function to calculate range weight.
+Allowed range is 0 to 1. Default is 0.1.
+
+@item planes
+Set planes to filter. Default is first only.
+@end table
+
 @section bitplanenoise
 
 Show and measure bit plane noise.