Archives
XCode Video Networking Processor
ViXS Systems from Toronto, Ontario has announced the
XCode chip, which they say will adjust MPEG formats, bit rates, and
resolutions on the fly as data moves through an IP network. At a
minimum, this means the part can format MPEG1 to MPEG2 to MPEG4, and change resolutions from QCIF to standard to high definition and back again, […]
Project: streamTranscoder
A rather terse description on SourceForge: Stream transcoder will be designed for use in relaying and converting streaming audio between various formats. MP3 and Vorbis will be supported. In Beta 4 as of September, 2002.
http://sourceforge.net/projects/transcoder/ZipArchive - A library for C++ programmers
This library adds zip compression and decompression functionality to your program, allowing you to create and modify ZIP files in a compatible way with WinZip, PKZIP and other popular archivers. Its easy and practical interface makes the library suitable for the beginners as well as for the advanced users. The library is published under the […]
http://www.artpol-software.com/index_zip.htmlread more from " ZipArchive - A library for C++ programmers "
Multimedia Paper Summaries
A set of links to paper summaries, including a batch on Coding, Compression, and Media Formats.
http://swig.stanford.edu/pub/summaries/multimedia/Advanced Fractals
A Web-based tutorial on Fractals, which includes a description of fractal image compression.
http://library.thinkquest.org/12740/msie4/advanced/index.htmlOn Fractal Compression
An overview of Fractal Compression.
http://www.ici.ro/ici/revista/sic99_4/art08.htmlIterated function systems and compression
An entry from a web page entitled “Fractal Questions and Answers”.
http://www.softlab.ntua.gr/miscellaneous/faq/fractal/faq-doc-11.htmlread more from " Iterated function systems and compression "
Compression Research
This page contains information and links which are small a sampling of compression research that has been performed using the Lena image.
http://www-2.cs.cmu.edu/~chuck/nsipg/nsi.htmlFractal Image Compression
An entry from some sort of online encyclopedia giving a quick overview of Fractal Compression.
http://netghost.narod.ru/gff/graphics/book/ch09_09.htmWavelets for Motion and Video Coding
A bibliography containing links to numerous papers on video coding, with links to authors as well. This is a chapter from the massive Annotated Computer Vision Bibliography.
http://iris.usc.edu/Vision-Notes/bibliography/compute83.htmlThe Leipzig Paper Collection on Fractal Image Compression
A giant bibliography on Fractal Image Compression. Links to online versions of some, but far from all, papers.
ftp://axes.informatik.uni-leipzig.de/pub/Fractal/papers/README.htmlread more from " The Leipzig Paper Collection on Fractal Image Compression "
Application of the BSP Model in Fractal Image Compression
An MS dissertation, with the complete text online.
http://citeseer.nj.nec.com/255267.htmlread more from " Application of the BSP Model in Fractal Image Compression "
The VCDIFF Generic Differencing and Compression Data Format
A format that can be used to send the differences between documents with some efficiency. This is part of a proposed extension to the HTTP standard.
ftp://ftp.rfc-editor.org/in-notes/rfc3284.txtread more from " The VCDIFF Generic Differencing and Compression Data Format "
David Clunie’s Medical Image Format Site
David Clunie is the chair of the DICOM standards committee, and has a wealth of links on this page to information related to medical imaging.
http://dclunie.com/HOWTO: MPEG Compression of 2-D Data Files
Roman Zaritski explains the arduous processes he went through learning how to convert his simulation data to MPEG format. Short and simple, and if you have a Linux system you can probably recreate this work pretty easily.
http://www.linuxjournal.com/article.php?sid=6273&mode=&order=0read more from " HOWTO: MPEG Compression of 2-D Data Files "
HTML Page Guardian
This product is used to protect the source of your HTML pages, which it does using “three layers of encryption.” I don’t know how that works, but they do advertise that LZW compression is an optional part of the process, so they earn a spot in DataCompression.info.
http://www.minihttpserver.net/htmlg/index.phpAlgorithm for Fast Fractal Image Compression
Fractal image compression is a promising new technology that may successfully provide a codec for PC-to-PC video communications. Unfortunately, the large amount of computation needed for the compression stage is a major obstacle that needs to be overcome. This paper introduces the Fast Fractal Image Compression algorithm, a new approach to breaking the “speed problem” […]
http://citeseer.nj.nec.com/kominek95algorithm.htmlread more from " Algorithm for Fast Fractal Image Compression "
A Non Uniform Segmentation Optimal Hybrid Fractal/dct Image Compression Algorithm
by Gerry Melnikov, Aggelos K. Katsaggelos. In this paper a hybrid fractal and Discrete Cosine Transform (DCT) coder is developed.
http://citeseer.nj.nec.com/melnikov98non.htmlread more from " A Non Uniform Segmentation Optimal Hybrid Fractal/dct Image Compression Algorithm "
Letter frequency in normal English text
No documentation or hint of how this page was created, but it purports to give you some stats on the frequency of characters in English text.
http://www.sxlist.com/techref/method/compress/etxtfreq.htmText compression for embedded controllers
Some simple BASIC routines to compress data without extravagant data or code space. The author seems to indicate this isn’t Huffman coding, but doesn’t say what it is.
http://www.sxlist.com/techref/method/compress/embedded.htmread more from " Text compression for embedded controllers "
DSPWorx Cheetah - DSW2000S Chip
This System-on-chip provides you with all the building blocks you need to perform several different kinds of compression and decompression, including MPEG, JPEG, and JPEG2000.
http://www.dspworx.com/cheetah.htmUltra GIF Optimizer
Ultra GIF Optimizer is a powerful tool for optimizing GIF images. It can makes your web page load faster,save your server bandwidth charges and disk space! This is a commercial product, but it looks like you can download it and have a trial session.
http://www.exactcom.com/products/ultragifoptimizer/Zinf Audio Player
The Zinf audio player is a simple, but powerful audio player for Linux and Win32. It supports MP3, Ogg/Vorbis, WAV and Audio CD playback, SHOUTcast/Icecast HTTP streaming, RTP streaming, a powerful music browser, theme support and a download manager. Zinf is based on the FreeAmp source code. However, AMP® is a trademark of PlayMedia Systems, […]
http://www.zinf.org/TCompress Component Set
File and database compression components for Delphi. Compress to/from file, memory, and blob. Uses RLE, LZH, and LZW. Shareware.
Version 7.0 was released in September of 2002.
http://www.spis.co.nz/compress.htmInteractive JPEG Optimizer
A tool to help you reduce the size of your image files with little or no reduction in image quality. Demo version available, fully functional but stamps output files with a “Demo” label.
http://www.fullyregistered.com/Forgent Network Inc. claims IP-rights for JPEG
A position paper from Dr. Klaus Jung and Prof. RuediSeiler, representing Algo Vision LuraTech GmbH. They show in some detail that Forgent’s claims on a patent that covers JPEG are not valid.
Reader John F. said: Goodbye Forgent and your lawyer pals at Jenkens and Gilchrist! We’ll see who has the last laugh on this deal, […]
http://www.algovision-luratech.com/company/news/statement_seiler_jung_en.pdfread more from " Forgent Network Inc. claims IP-rights for JPEG "
Advanced WMA Workshop
This product is used to convert audio files from one format to another. The programs know how to do various conversions between WMA, MP3, and Ogg Vorbis. It’s also smart enough to do CD ripping. This appears to be shareware.
http://www.litexmedia.com/wma_workshop/Audio Conversion Wizard
Audio Conversion Wizard is “All to All” converter of digital audio formats with friendly Wizard-style interface, which helps you easily convert:
WMA to MP3, OGG Vorbis, WAV PCM
WMA to WMA (resampling)
MP3 to WMA 8, OGG Vorbis, WAV PCM
MP3 to MP3 (resampling)
OGG Vorbis to WMA 8, MP3, WAV PCM
OGG Vorbis to OGG Vorbis
with ID3 Tag v2 […]
http://www.litexmedia.com/audio_wizard/Windows Media 9 Series
Microsoft’s web page for all things releated to the new Windows Media Player and more. At this time you can download the beta version of the new player, get information, and sample various media.
Reader Serg N. commented: Very good quality, support for [very] low bitrates, lossless mode. It’s not open source, but it’s free!
http://www.windowsmedia.com/9series/home.aspDecMPA - Simple MPEG Audio Decoder Library
The goal of DecMPA is to provide simple and efficient MPEG audio decoding routines, nothing more and nothing less. It does not contain any playback functionality - basically you just shove MPEG audio data in and get decoded PCM audio data out. Everything that is not directly connected with MPEG decoding is beyond the scope […]
http://decmpa.sourceforge.net/read more from " DecMPA - Simple MPEG Audio Decoder Library "
