optimize2bw(1) on Linux
The text e08e4af7a8f2, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
automatic thresholder of the ExactImage toolkit
Flags it lists
-
--denoise -
--dpi -
--help -
--high -
--input -
--low -
--output -
--radius -
--scale -
--standard-deviation -
--threshold -
-d -
-h -
-i -
-l -
-n -
-o -
-r -
-s -
-sd -
-t