JBIG2 encoder for compressing monochrome document images
JBIG2 encoder (for monochrome documents)
jbig2
$ jbig2 input.png -o output.jbig2
$ jbig2 -s page1.tiff page2.tiff page3.tiff -o output.jbig2
$ jbig2 -T 4 -O -o document.jbig2 scanned_doc.pbm