Latest compression papers here. When this site was first crawled, the papers covered a wide variety of topics in both lossless and lossy compression.

http://vlsi.cs.ucf.edu/listpub.html

ACDZip is a zipping and unzipping program that gives you the power to compress image, audio, video and document files. It includes fast image previews and is ideal for opening zip files, backing up files, saving hard disk space, preparing files for distribution and protecting them with encryption and passwords.

http://www.acdsystems.com/English/Products/ImagingProducts/Utilities/ACDZip/index.htm

A port of Zlib to the Palm O/S platform. Creates a free shared library, and reportedly is used in one app to decompress PNG images.

http://palmzlib.sourceforge.net/

Sample pages on line from the book Discrete Cosine Transform: Algorithms, Advantages, Applications by Kamisetty Ramamohan Rao, P. Yip. The first 6 pages of the book are excerpted here, giving a complete history of the DCT.

http://www.amazon.com/exec/obidos/tg/stores/detail/-/books/012580203X/reader/6/102-8706190
-4876104#reader-link

A set of links to various video coding resources, maintained by Iain Richardson, author of “”Video Codec Design.”

http://www.vcodex.com/links.html

This is an MPEG2 to QuickTime decoder for the Mac. Free software!

http://mm2d.sourceforge.net/

This group aims to create a transfer protocol that has the functions of FTP and the advantges of HTTP. The main features will be encryption and compression. Work in progress - if you speak German you can learn more about the project
here.

http://sourceforge.net/projects/ectp

The Boost project is designed to put very high-quality peer-revied libraries in the hands of you and me. CRC checking has nothing to do with compression per se, but it is frequently used when archiving to validate results.

http://www.boost.org/libs/crc/index.html

This paper from Jürgen Abel and Bill Teahan presents several preprocessing algorithms for textual data, which work with BWT, PPM and LZ based compression schemes. The algorithms need no external dictionary and are language independent. The average compression gain is in the range of 3 to 5 percent for the text files of the Calgary Corpus and between 2 to 9 percent for the text files of the large Canterbury Corpus.

ftp://137.193.64.130/pub/jpeg/pfp.zip

Dali is a project at Cornell that aims to create a programming environment dedicated to the manipulation of video, audio, and image data. Naturally, this includes multiple codecs for various data types.

http://www.cs.cornell.edu/dali/

This program does as much optimization of your web pages as possible, all in an effort to reduce its size and hence the time it takes users to D/L the page. Free!

http://www.moo3.at/bladefist/lightspeed.htm

Analog Devices makes a JPEG2000 processor that can process better than 10 Megapixels per second. This chip is targeted towards the digital still camera market. You can find a press release on the page that says initial pricing is $14 in 10K quantities.

http://products.analog.com/products/info.asp?product=ADV%2DJP2000

A paper by Alistair Moffat describing an improvement on Peter Fenwick’s method for maintaining cumulative probability tables. The pointer on this page leads to some source implementing said table.

http://www.cs.mu.oz.au/~alistair/abstracts/mof99:spe.html

Web page for a new book, Video Codec Design, to be published by Wiley in March 2002. Video Codec Design takes a design-based approach to image and video compression. The book covers the JPEG, JPEG2K, MPEG1/2/4 and H.261/3/L standards and gives detailed guidance on designing image and video compression applications.

DataCompression.info reader Eduardo M. said this was very easy to read and understand, but he would have liked some code examples.

http://www.vcodex.com/videocodecdesign/

A paper by Jorma Rissanen, IBM Almaden Research Center.

http://www.cs.tut.fi/~rissanen/papers/model.ps

The Video and Image Processing Laboratory at Purdue has a tutorial page on JPEG. Good place to start when looking for introductory material.

http://stargate.ecn.purdue.edu/~ips/tutorials/jpeg/jpegtut1.html

A set of handouts for a survey course on Data Compression, inlcuding papers on various types of coding, information theory, and more. An academic approach to the topics but quite accessible.

http://www.cse.ucsc.edu/classes/cmpe263/Winter01/handouts/

The ACM Multimedia conference for 2002 takes place December 1-6, 2002 in beautiful Juan-les-Pins on the French Riviera. Get your submissions in quick before the show fills up.

http://www.acm.org/sigmm/MM2002

Toshiba is creating MPEG-4 support chips that vendors are looking to included in mobile handset. This article notes that the chipset will be designed to work with specific baseband hardware, such as Qualcomm’s, and might not work elsewhere.

http://www.eet.com/story/OEG20011030S0044

The PM-36 is a chip that is touted as processing up to 110 MB of data per second. Oak says it is suitable for copiers, printers, scanners, etc.

http://www.oaktech.com/products/imaging/processors/icodec/pm36.html

Despite the name, this is simply an archiving program that supports the usual gamut of compression formats, including Zip, RAR, ACE, etc.

Version 3.00 seems to be shipping in December, 2002.

http://www.dtrleisure.com/bztk/index.html

Teddy Turner, son of CNN mogul Ted Turner, was apparently named in a lawsuit in 1999 over an alleged misrepresentation of compression claims. A Florida company named Vision Tek claimed it could pump video over normal phone lines at high speeds, but was not able to satisy its investors, leading to a court case.

http://jacksonville.bcentral.com/jacksonville/stories/1999/03/15/story1.html

Advertised as The world’s most versatile and powerful archive utility! Available as shareware or free w/ads. Supports various formats, does conversions, works with the Windows shell.

http://www.xipped.com/

Intel has a C/C++ JPEG library that works with Visual C++ under Win32. It would appear that their motivation is to distribute code that is optimized for the MMX extensions in their processor. License agreement has a few points that should be examined, but essentially it appears to be free. Please correct me if I’m wrong.

One reviewer of this site had this to say: I tried out the IJL library. It was slower than the Independent JPEG Group code. I was using IJL 1.5.

Vlandimire says: I use this library, v. 1.51 works very well.

http://developer.intel.com/software/products/perflib/ijl/index.htm

Maxcode has a selection of C/C++ code here related to archiving and compression.

http://www.maxcode.com/nuke/download.php?op=viewsdownload&sid=32

Decoding GIF files and displaying them without help isn’t particularly easy. Add animation to the task and you’re looking at a ton of work. Fortunately, this MFC-compatible set of classes on the CodeProject web site does the heavy lifting for you.

http://www.codeproject.com/bitmap/pictureex.asp

Straightforward code compatible with Visual C++ and MFC for decoding and displaying JPEG, GIF, BMP, and a few other types of files.

http://www.codeproject.com/bitmap/pictureshow.asp

A paper by Mark D. Schroeder at the University of North Dakota. This paper talks a bit about implementation issues for JPEG.

http://www.cs.und.edu/~mschroed/jpeg.html

Chitaranjan P.S., Arun Shankar, and Niyant .K posted a description of a new coding scheme called LBE on the web. It’s interesting, but I’m not sure that it appears to have any serious advantages over current state of the art.

http://in.geocities.com/iamthebiggestone/how_lbe_works.htm

Andrew Belov, from ARJ Software Russia, has announced the release of ARJ for Linux and FreeBSD. Links on this site to the OS/2 version as well, if you’re in the market for that.

http://testcase.newmail.ru