A DESCRIPTION OF THE REQUEST :
There is no Java implementation for this JBIG compression algorithm in JAI, though there are implementations in C and owned by some imaging companies. JBIG is an upcoming standard and will be great if JAI could support this. JBIG works very well for bitonal images and its 3X times faster than the GROUP4 TIFF over the network. JBIG in a TIFF wrapper would be an ideal format for document images as it would give an additonal 20-40% space savings compareed to the existing technology.

JUSTIFICATION :
JBIG is a file format for bitonal images. It gives you a better comparison ratio compared to the existing Group 4 CCITT.6 TIFF for bilevel document images. There is no Java implementation for this JBIG compression, though there are implementations in C and owned by some imaging companies. It would be great if  JAI would support this format as this will give a lot space savings compared to the existing technology. It will also impact image transmission over a network as this is believed to be 3X faster than the existing Group 4 TIFF.
(Incident Review ID: 249885) 
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This is becoming a very big deal.  We hear requests for JBIG2 support every day.

There is no a JAI JBIG decoder at http://www.jpedal.org/jbig.php