cmtk-average_labels(1) on Linux
The text 613276c5aa2e, as Debian 7 (Wheezy) shipped it.
Label image averaging
Flags it lists
-
--echo -
--help -
--help-all -
--man -
--output -
--threads -
--verbose -
--verbose-level -
--version -
--wiki -
-o -
-v