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All about the most recent compression techniques, algorithms, patents, products, tools and events.

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Recent Posts

  • Google Snaps Up On2 (10 Comments)

  • Bijective BWT (34 Comments)

    David Scott has written a bijective BWT transform, which brings all the advantages of bijectiveness to BWT based compressors. Among other things, making BWT more suitable for compression-before-encryption and also give (slightly) better compression.

  • Asymmetric Binary System (171 Comments)

    Jarek Duda’s “Asymmetric Binary System” promises to be an alternate to arithmetic coding, having all the advantages, but being much simpler. Matt has coded a PAQ based compressor using ABS for back-end encoding. Update: Andrew Polar has written an alternate implementation of ABS.

  • Precomp: More Compression for your Compressed Files (6 Comments)

    So many of today’s files are already compressed (using old, outdated algorithms) that newer algorithms don’t even get a chance to touch them. Christian Schneider’s Precomp comes to rescue by undoing the harm.

  • On2 Technologies is Hiring (5 Comments)

    There aren’t too many companies working on cutting edge codecs, and of those few this one is hiring. Best of luck.

Archive for October, 2006

The Data Compression Newsletter - October 2006

27th October 2006

October 2006 issue of the Data Compression Newsletter.

Read More | Posted by Sachin Garg | Add Comment »

Microsoft’s HD Photo not better than Jpeg 2000?

23rd October 2006

A report by MSU concludes that “some one-year old implementations of JPEG 2000 significantly outperform WMPhoto in objective and subjective comparison”. But this is NOT the final word. Bill Crow, program manager for Windows Media Photo, gives an interesting review of this comparison.

Read More | Posted by Sachin Garg | 7 Comments »

QuickLZ, for Really Fast Lossless Compression

10th October 2006

New kid on the block, QuickLZ, beats everyone when it comes to speed.

Read More | Posted by Sachin Garg | 7 Comments »

Chinese AVS Codec, Is It Ever Going to Matter?

4th October 2006

No one seems to care about it, not even the Chinese.

Read More | Posted by Sachin Garg | Add Comment »

Apple ImageIO Buffer Overflow in Processing JPEG2000 Images

2nd October 2006

File-format security exploits are not all that new. This time viewing a maliciously-crafted JPEG2000 image may lead to an application crash or arbitrary code execution.

Read More | Posted by Sachin Garg | Add Comment »