optimize2bw(1) on Linux
The text c8451eae720d, as Debian 7 (Wheezy) 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