Data-Compression.org

data compression link collection

Author Page

UnZip

Everything you wanted to know about UnZip, one of the two great Info-ZIP programs.

UnZIp 5.51 shipped in May, 2004/

http://www.ctan.org/tex-archive/tools/zip/info-zip/UnZip.html

read more from admin's post

Posted in May 23rd, 2004

Zipper

Zipper is a tool for inspecting the contents of a compressed archive and for extracting.

Version 0.7 is shipping as of May, 2004.

http://freshmeat.net/projects/zipper

read more from admin's post

Posted in May 23rd, 2004

Mp3Eater

The author says:

This page offers very simple but very useful C source code to parse MP3 files. The parser gives detailed info of each frame in the MP3 file. It presents header info, side info and main data corresponding to each frame in the MP3 file. I was not able to find such a […]

http://www.vlsiip.com/mp3eater.html

read more from admin's post

Posted in May 22nd, 2004

JZlib — zlib in pure Java

This project is an attempt to hoist zlib out of the C world and into pure Java land. This allows Java developers to take advantage of a few zlib features that aren’t available in the standard JDK packages. LGPL license.

Version 1.0.5 of Jzlib was shipping as of May, 2004.

http://www.jcraft.com/jzlib/

read more from admin's post

Posted in May 22nd, 2004

bsdtar, libarchive

Libarchive is a programming library that can create and read several different streaming archive formats, including most popular tar variants and the POSIX cpio format. The bsdtar program is an implementation of tar(1) that is built on top of libarchive. It started as a test harness, but is quickly moving toward becoming a candidate system […]

http://people.freebsd.org/~kientzle/libarchive/

read more from admin's post

Posted in May 22nd, 2004

ZipInstaller

ZipInstaller is a bare-bones application framework for the
programmer who doesn’t want to learn the painful
intricacies of InstallShield or Microsoft’s installer. If
all you need to do is copy some files to a specific folder
and then create a few shortcuts and menu entries, ZipInstaller
is just the guy for you.

Version 1.11 is shipping in May, 2004.

http://freehost14.websamba.com/nirsoft/utils/zipinst.html

read more from admin's post

Posted in May 16th, 2004

Compression of Individual Sequences via Variable-Rate Coding

by Ziv and Lempel. The seminal LZ78 paper which spawned LZW, GIF, and an entire academic industry.

Update 2004: Document is now packed in RAR format.

http://www.compression.ru/download/articles/lz/ziv_lempel_1978_variable-rate_pdf.rar

read more from admin's post

Posted in May 16th, 2004

A Universal Algorithm for Sequential Data Compression

The 1977 paper describing an algorithm for compression using pointers to previously seen text. This algorithm, later known as LZ77, is still one of the most widely used techniques for lossless data compression in use today.

Update 2004: Document is now packed in RAR format.

http://www.compression.ru/download/articles/lz/ziv_lempel_1977_universal_algorithm_pdf.rar

read more from admin's post

Posted in May 16th, 2004

Parallel Implementation of Data Compression Technologies for Multi-Gbit/s Networks

This group at Loughborough University in the UK would like to use sophisticated compression techniques in high speed networks. To make it all happen, they need to do it in hardware, and do it in parallel. This page has information about their efforts, along with links to papers and other information.

hhttp://www.lboro.ac.uk/departments/el/research/esd/projects/parallel_comp.htm

read more from admin's post

Posted in May 15th, 2004

The MPEG home page

An impressive set of links to papers, schedules, articles, and contacts for MPEG. Clearly the place to go for information relating to the standardization process.

http://www.chiariglione.org/mpeg/

read more from admin's post

Posted in May 15th, 2004

The JBIG Home Page

Home page for the members of the JBIG committee, as well as a place for links and information about the Bi-Level Image coding standard.

http://www.jbig.org/jbig/index.html

read more from admin's post

Posted in May 15th, 2004

Advanced Image Coding

Advanced Image Coding (AIC) is an experimental still image compression system
that combines algorithms from the H.264 and JPEG standards. More specifically,
it combines intra frame block prediction from H.264 with a JPEG-style discrete
cosine transform, followed by context adaptive binary arithmetic coding as used
in H.264. The result is a compression scheme that performs much better than JPEG
and […]

http://www.bilsen.com/aic/

read more from admin's post

Posted in May 15th, 2004

Hybrid Lossless Audio Compression

WavPack allows you to losslessly compress (and restore) both 16 and 24-bit audio files in the .WAV format. Unlike “lossy” compression schemes (like MP3) that discard information, WavPack converts the audio data into a more compact form so that the restored files are digitally identical to the original source. It’s somewhat like the file […]

http://www.wavpack.com/

read more from admin's post

Posted in May 15th, 2004

ZipStudio

A versatile Visual Studio add-in to zip up Visual Studio solutions and projects

http://codeproject.com/useritems/ZipStudio.asp

read more from admin's post

Posted in May 15th, 2004

X-Match Pro

A fast ASIC core designed for lossless compression.

http://www.lboro.ac.uk/departments/el/research/esd/projects/web_xmatch/XMatchPRO_home.htm

read more from admin's post

Posted in May 15th, 2004

Filzip

Yet another free Zip program with the usual cast of features. Supports a pretty good variety of archives, runs under Win32 only, etc.

Filzip 3.0.1 is shipping in May, 2004.

http://www.filzip.com/

read more from admin's post

Posted in May 15th, 2004

12Ghosts Zip

This package includes 12Zip and 12Zip2. The first version uses Zip compatible compression, and the second uses a BWT variant.

Version 7.0 of the package is shipping as of May, 2004

http://www.12ghosts.com/ghosts/zip.htm

read more from admin's post

Posted in May 14th, 2004

Basic Compression Library

Marcus Geelnard has created a batch of compression routines that you can plug and ply into your programs at will. Marcus is using the wonderfully open zlib license, which means thare are just about no reason you can’t use this code. The 1.0.5 added an LZ77 codec to the RLE, Huffman, and Rice coders

Satisfied […]

http://bcl.sourceforge.net/

read more from admin's post

Posted in May 14th, 2004

BWT in Matlab

Imran Akthar’s implementation of the BWT transform in Matlab. Free.

http://www.geocities.com/imran_akthar/files/bwt_matlab_code.zip

read more from admin's post

Posted in May 14th, 2004

Argentum Backup

This backup program stores your data in standard Zip files, created either manually or automatically. The usual host of backup features are supported, such as the ability to backup the registry, E-mail messages, your address book, and so on. You can download a 15-day trial version of this commercial program.

It appears that version 2.10 of […]

http://www.argentuma.com/backup.html

read more from admin's post

Posted in May 13th, 2004

Zip and Unzip from a C# program using J# runtime

Microsoft’s implemention of J# includes the standard Java zip classes, and CodeProject contributor Valeri has figured out how to use them from a C# program.

http://codeproject.com/csharp/VmEasyZipUnZip.asp

read more from admin's post

Posted in May 10th, 2004

Accusoft’s Image Compression Stable

A list of the various types of image compression that Accusoft supports, along with a little detail on each type.

http://www.accusoft.com/imaging/imagegear/imagegear_functions/image_compression.asp

read more from admin's post

Posted in May 10th, 2004

Accusoft

Accusoft makes a variety of imaging products, including a nice commercial imaging library.

http://accusoft.com/home.asp

read more from admin's post

Posted in May 10th, 2004

Michael Dipperstein’s Run Length Encoding (RLE) Page

The ever-productive Michael Dipperstein now has a useful page on Run Length Encoding, including ANSI C code.

http://michael.dipperstein.com/rle/index.html

read more from admin's post

Posted in May 10th, 2004

Shorten fork

This is the free version of Shorten, which was forked from the commercial version from SoftSound. Not sure about all the legalities here, but I don’t think SoftSound is actively selling the commercial version, so this may be your only choice.

http://www.etree.org/shnutils/shorten/

read more from admin's post

Posted in May 10th, 2004

Compressing Web Content

Compressing Web content can produce a much faster site for users. Here’s how to set it up and measure your success.l

http://www.linuxjournal.com/article.php?sid=6802&mode=thread&order=1&thold=-1

read more from admin's post

Posted in May 10th, 2004

Embedded BWT Compression

Tom has posted his source code for embedded BWT compression. Basically, he’s trying to pull it off with low amounts of RAM.

http://tom.iahu.ca:8080/bwt.html

read more from admin's post

Posted in May 4th, 2004

Scilab Image Processing Toolbox

SIP intends to do imaging tasks such as filtering, blurring, edge detection, thresholding, histogram manipulation, segmentation, mathematical morphology, color image processing, etc.
These operations are useful for problem solving in real-world applications ranging from car motion planning to automatic diagnosis of medical images.

Version 0.3.1 is shipping as of May, 2004.

http://siptoolbox.sourceforge.net/

read more from admin's post

Posted in May 2nd, 2004

Michael Dipperstein’s Airthmetic Coding Page

The third in Michael’s collection of pages explaining lossless compression algorithms. A nice tutorial accompanied by ANSI C source.

http://michael.dipperstein.com/arithmetic/index.html

read more from admin's post

Posted in May 2nd, 2004

FFT of waveIn audio signals

Using your Windows PC to capture audio and perform an FFT on the captured sample.

http://www.codeproject.com/audio/waveInFFT.asp

read more from admin's post

Posted in May 2nd, 2004