findimagedupes(1p) on Linux
The text f1c247416c3e, as Debian 7 (Wheezy) shipped it.
Finds visually similar or duplicate images
Flags it lists
-
--add -
--collection -
--debug -
--fingerprints -
--help -
--include -
--include-file -
--man -
--merge -
--no-compare -
--null -
--program -
--prune -
--quiet -
--recurse -
--rescan -
--script -
--threshold -
--verbosity -
-0 -
-I -
-R -
-a -
-c -
-d -
-f -
-h -
-i -
-n -
-p -
-q -
-r -
-s -
-t -
-v