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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 4f21276abf..b7912b6567 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -15375,6 +15375,8 @@ Set morphological transform to apply, can be: @item open @item close @item gradient +@item tophat +@item blackhat @end table Default is @code{erode}. |