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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 62e5db6..6ad2db2 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -6203,11 +6203,16 @@ absolute value will be picked. For example direction 0, -PI or -2*PI radians will pick only pixels on same row and -PI/2 will pick only pixels on same column. -@item blur +@item blur, b If enabled, current pixel is compared with average value of all four surrounding pixels. The default is enabled. If disabled current pixel is compared with all four surrounding pixels. The pixel is considered banded if only all four differences with surrounding pixels are less than threshold. + +@item coupling, c +If enabled, current pixel is changed if and only if all pixel components are banded, +e.g. banding detection threshold is triggered for all color components. +The default is disabled. @end table @anchor{decimate} |
