jbig2 encoder samples.

jbig2enc is JBIG2 opensource encoder for bi-level (1 bpp) images.

It uses Leptonica library (and its dependancies) for compression.

Example of applying different weights

Used parameters	Image
original / no JBIG2
-t 0.85 -w 0.25
-t 0.85 -w 0.50
-t 0.85 -w 0.75

See this discussion for more details.