Archives
rfc1661 - The Point To Point Protocol
The description of the point to point protocol, which of course includes a little tiny bit on compression, since you can specify compression in a packet header.
http://www.cis.ohio-state.edu/htbin/rfc/rfc1661.htmlNASA Vision Group Publications
A big batch of image compression papers are on line here. I guess the entire contents of all the papers is online thanks to the contributions of the US government. For image compression, this is a fantastic resource.
http://vision.arc.nasa.gov/publications/publications.htmlPhil Katz followup
More news regarding the death of Phil Katz.
http://www.jsonline.com/wi/042200/wi--softwarepioneer042200124658.aspBCB and Delphi Freeware Zip Component page
A set of components and DLLs that allow you to manipulate zip files from within your Delphi or C++ Builder programs. It’s all free. Don’t know ifyou can use the DLLs with any other languages.
http://members.tripod.lycos.nl/Vleghert/read more from " BCB and Delphi Freeware Zip Component page "
Farewell to Phil Katz
An appreciation of Phil Katz by Dr. Dobb’s Journal.
http://www.ddj.com/news/stories/2000/04/do200004nw012.htmPICPress
An image conversion program that does smoothing of JPEG images.
ftp://www.jpg.com/pub/PP35.EXEBWT and different alphabet orders
A long thread dealing with a possible way to some improvement on BWT compression.
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&threadm=39013198.26504471%40news.meganews.comLEAD Technologies, Inc.
These guys are big in the world of software that does image processing. What does this have to do with data compression? Well, they do have products that render, convert, and create compressed formats such as JPEG, TIFF, and GIF.
http://www.leadtools.com/ScalVico
ScalVico is a Scalable Video Codec based on lattice VQ and motion compensation.
http://www4.informatik.uni-erlangen.de/~jnweiger/ScalVico/Pyramid/DC Archiver
DC is a BWT based archiver by Edgar Binder. Is it free? Not sure, but no source.
ftp://ftp.elf.stuba.sk/pub/pc/pack/dc124.zipDAX source code
This code is reputedly good for compressing B/W images. The web site refers to it as Difference Adaptive compression. It’s patented.
http://dakx.com/software/simdaxg.cPPMD Var ‘F’ (Dmitry Shkarin)
A file to file compressor that uses the PPMD algorithm is boasts of being very fast.
ftp://ftp2.itb.it/files/PC/SAC/pack/ppmdf.rarScalVico H.263 Support
ScalVico is a project that refers to a Scalable Video Codec. Apparently the package now supports H.263.
http://www4.informatik.uni-erlangen.de/~jnweiger/ScalVico/vic/Welcome to the ScalVico H.263+Pyramid page
A Netscape plugin and a standalone app that does some sort of H.263 decoding.
http://www4.informatik.uni-erlangen.de/~jnweiger/ScalVico/PyraH263/read more from " Welcome to the ScalVico H.263+Pyramid page "
The bzip2 and libbzip2 official home page
The home page for Julian Seward’s great BWT projects: a compression program and a library. A prelease of bzip2 1.0 was released 4/15/00
http://sources.redhat.com/bzip2/read more from " The bzip2 and libbzip2 official home page "
Image Power Selected by the ISO Committee as Reference Code Supplier for JPEG 2000
An Image Power press release announcing the fact that the JPEG2000 committee has annointed them to supply the reference code for the new standard.
http://www.imagepower.com/news/media_center/pr/2000/pr-mar27-00.htmlUnzipping Files with java.util.zip.ZipFile
A short article with some code that illustrates how one would unzip archives using built-in java classes. Registration required to view the page.
http://www.inquiry.com/techtips/java_pro/10MinuteSolutions/10min0300.aspread more from " Unzipping Files with java.util.zip.ZipFile "
JPEG 2000 Codec
Image Power has released a beta version of their JPEG2000 codec. It’s free to use for evaluation and non-commercial applications.
http://www.imagepower.com/products/products.htmViper - The JPEG 2000 Resource Page
A page of links and information from the image processing folks at Purdue.
http://stargate.ecn.purdue.edu/~ips/tutorials/j2k/Asymptotic Optimality of the Block Sorting Data Compression Algorithm
Arimura shows that BWT is asymptotically optimal. Paper in PDF format.
http://www.hn.is.uec.ac.jp/~arimura/ieice98.htmlread more from " Asymptotic Optimality of the Block Sorting Data Compression Algorithm "
Paper on BWT for source estimation
A long and entertaining discussion of BWT compression in the comp.compression newsgroup.
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&threadm=Pine.GSO.4.21.0003241454120.4055-100000%40grenada.csl.uiuc.eduWoontack Woo - Publications
Woontack Woo has published quite a few papers dealing with coding and compression of stereo images. This is one of the few places you can find information on this somewhat esoteric subject.
http://biron.usc.edu/~wwoo/resume.html#publicationsBMPSqueezer
An interesting program that takes an image and squeezes it down into a Java applet. Shareware, so you can give it a spin for free.
http://www.kagi.com/equitysoft/squeezer.htmlITU Series G Specifications
All the voice coding specs you can shake a stick at. Get your checkbook out, though, these aren’t free.
http://www.itu.int/itudoc/itu-t/rec/g/g700-799/index.htmlArchivePro 2000
ArchivePro isn’t a zip program, it’s a database for all the files you’ve stored. In the process it often compresses files for you, which is how it ended up in my database.
http://www.archivepro.com/http://www.barrt.ru/parshukov/imcomp.htm
A shareware image compression program that supports a ton of different formats.
http://www.barrt.ru/parshukov/imcomp.htmAladdin Dropstuff
Another product from Aladdin, makers of the world-famouse Stuffit program for the Mac. DropStuff comes in versions for the Mac and Windows, and will store archives in either Zip or Sit formats.
http://www.aladdinsys.com/dropstuff/TIFF Software
A library that supports reading and writing of TIFF files.
http://www.libtiff.org/Papers by Bernhard Balkenhol
Bernhard seems to have written quite a few papers on data compression. A few of them are in German, a few in English. All in ps.gz format. Bernhard has links to published papers and preprints on this page, be sure to check them all.
http://www.mathematik.uni-bielefeld.de/~bernhard/ZipWave
A shareware visual archiving program that advertises that it supports 15 popular archive formats. Note the link to the French version of the program and web page.
http://www.world-of-newave.com/zipwave/en/index.htm