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UCF VLSI and Data Compression Lab

Posted in November 29th, 2001

The University of Central Florida Data Compression Lab has a lot of interesting stuff here. More than just academic papers, for example the M5 online compression utility!.

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

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M5 Online Compression Utility ver 1.0.1

Posted in November 29th, 2001

The University of Central Florida has this web page which allows you to upload a file and then compress it using a wide variety of algorithms.

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

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Latest Publications from UCF

Posted in November 29th, 2001

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

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ACDZip

Posted in November 28th, 2001

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

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PalmZLib

Posted in November 28th, 2001

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/

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Sample pages on DCT

Posted in November 28th, 2001

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

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vcodex links page

Posted in November 18th, 2001
Published in Links, Video

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

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

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MacMPEG2Decoder

Posted in November 18th, 2001

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

http://mm2d.sourceforge.net/

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Encrypted Compressed Transfer Protocol

Posted in November 18th, 2001

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

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Boost CRC Library

Posted in November 15th, 2001

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

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Privacy For Pictures

Posted in November 14th, 2001

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 […]

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

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Dali

Posted in November 14th, 2001

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/

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LightSpeed Website Optimizer

Posted in November 14th, 2001

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

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JPEG2000 Bi-directional Image Coprocessor Chip

Posted in November 12th, 2001
Published in Hardware, JPEG-2000

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

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An Improved Data Structure for Cumulative Probability Tables

Posted in November 12th, 2001

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

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Video Codec Design

Posted in November 11th, 2001
Published in Books, Video

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 […]

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

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Lectures on Statistical Modeling Theory

Posted in November 11th, 2001

A paper by Jorma Rissanen, IBM Almaden Research Center.

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

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VIPER - The JPEG Tutorial

Posted in November 10th, 2001

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

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CMPE 263 Handouts by Glen Langdon

Posted in November 5th, 2001

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/

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ACM Multimedia 2002

Posted in November 4th, 2001

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

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Toshiba Announces MPEG-4 Support Chips

Posted in November 4th, 2001

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

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