Hacker News Reader

We used it to compress scanned PDFs, using mixed raster techniques. Since the PDF natively supports JPEG2000 we used it for document background compression and we used JBIG2 for text image compression. The compression ratio was impressive but the document rendering was noticeably slower even with Adobe reader …

View on HN

>background compression and we used JBIG2 for text image compression

Are you aware of the downsides?

https://www.dkriesel.com/en/blog/2013/0802_xerox-workcentres...

It stands to reason that not only Xerox had problems with JBIG2.

Thank you for the link, yes we are aware of this particular issue. For our engine we used only lossless mode and using this mode the decompressed binary image is identical to the original so the described problem cannot occur. Nonetheless this limit severely the usefulness of JBIG2.

Reply on news.ycombinator.com