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doc/filters: Slightly improve the smartblur documentation.

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Fixes ticket #6034.
This commit is contained in:
Carl Eugen Hoyos 2016-12-31 12:06:42 +01:00
parent 25d9643f11
commit 5ff6e8790a
1 changed files with 3 additions and 3 deletions
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6
doc/filters.texi
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@ -12572,20 +12572,20 @@ in [-30,0] will filter edges. Default value is 0.
@item chroma_radius, cr
Set the chroma radius. The option value must be a float number in
the range [0.1,5.0] that specifies the variance of the gaussian filter
used to blur the image (slower if larger). Default value is 1.0.
used to blur the image (slower if larger). Default value is @option{luma_radius}.
@item chroma_strength, cs
Set the chroma strength. The option value must be a float number
in the range [-1.0,1.0] that configures the blurring. A value included
in [0.0,1.0] will blur the image whereas a value included in
[-1.0,0.0] will sharpen the image. Default value is 1.0.
[-1.0,0.0] will sharpen the image. Default value is @option{luma_strength}.
@item chroma_threshold, ct
Set the chroma threshold used as a coefficient to determine
whether a pixel should be blurred or not. The option value must be an
integer in the range [-30,30]. A value of 0 will filter all the image,
a value included in [0,30] will filter flat areas and a value included
in [-30,0] will filter edges. Default value is 0.
in [-30,0] will filter edges. Default value is @option{luma_threshold}.
@end table
If a chroma option is not explicitly set, the corresponding luma value