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GNUNetPress Network Compression

Posted in September 28th, 2003

GNUNetPress - Network compression client/server software. Compresses data over slow networks to save on the cost of bandwidth. Server is developed for Unix platforms, The client will run on Linux or Windows based PCs.

http://sourceforge.net/projects/gnunetpress/

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Redundanz - Lempel-Ziv-Kodierung

Posted in September 28th, 2003

A lecture in German on LZ coding.

http://www.stud.uni-karlsruhe.de/~un55/lz_ToC.html

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zipstream, bzip2stream: iostream wrappers for the zlib and bzip2 libraries

Posted in September 28th, 2003

This article describes STL-compliant iostream implementations that compress and decompress using the deflate and bzip2 algorithms. It makes it really easy to use compressed streams in your C++ app.

Updated July, 2003, to fix a gzip header problem.

Updated August, 2003 to fix a couple of minor problems.

http://www.codeproject.com/vcpp/stl/zipstream.asp

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OpenExif Toolkit

Posted in September 25th, 2003

This toolkit lets you access EXIF metadata that has been stored in JPEG files, typically from a digital camera.

http://openexif.sourceforge.net/

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OpenTiff

Posted in September 25th, 2003

OpenTiff is an object-oriented interface to TIFF formated image files. Unlike other Tiff toolkits, it allows an arbitrary set of tags to be defined and used in a Tiff file.

http://opentiff.sourceforge.net/

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Building Windows Media Player and Windows Media Encoder Plug-ins

Posted in September 22nd, 2003

Just what is says, Microsoft’s tutorial on building WMA plugins.

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwmt/html/Building_Windows_Media_Player_and_Windows_Media_Encoder_Plug_ins.asp?_r=1

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ExpressZIP

Posted in September 18th, 2003
Published in Commercial Programs, Zip

ExpressZIP features all of the powerful ZIP tools you’ll ever need in an easy to use and attractive interface and comes complete with built-in Wizards to walk you through creating ZIP and EXE (self extracting) archives.

Version 4.0 shipped in September, 2003.

http://www.avantrix.com/exzip.htm

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The ExifReader class

Posted in September 15th, 2003

A .NET library for reading EXIF metadata from JPEG files.

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

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Zip-I-Mage

Posted in September 15th, 2003

This archiver is built specifically for support of image archiving. Supports popular formats such as JPG and BMP.

http://www.zip-i-mage.com/

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Open Source ARJ

Posted in September 14th, 2003

The well-respected ARJ archiver is now available as Open Source software. This portable version targets DOS, OS/2, Linux, and FreeBSD. See the project home page for binary versions of previous commercial/shareware versions. (These versions were free for personal use, but not commercial.)

ARJ 2.78/3.10 build 17 is shipping in September, 2003.

http://sourceforge.net/projects/arj

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BriefLZ

Posted in September 13th, 2003

An Open Source library that implements an LZSS algorithm, designed for speed. ANSI C, with 16- and 32-bit x86 assembler versions available as well.

http://www.ibsensoftware.com/

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imgtops

Posted in September 12th, 2003

This open source Linux project converts image files (JPEG, GIF, PNG, etc.) to Encapsulated PostScript, in what is supposed to be an efficient manner.

http://imgtops.sourceforge.net/

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PDF Compress

Posted in September 12th, 2003

Free PDF Compressor that removes duplicate PDF objects, optionally takes advantage of new compression features of latest PDF specification (1.5), and optionally takes advantage of a new proposed format called “Compact PDF” that for many classes of documents compresses 30 - 60% better than what is possible in PDF 1.5.

Note: Navigate up two levels to […]

http://http.cs.berkeley.edu/~phelps/Multivalent/Tools/pdf/Compress.html

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Berto’s Compression Spreadsheet

Posted in September 10th, 2003

Comparisions of over 230 archivers, in handy Excel format, from Berto.

Reader Emiliano C. said “Wonderful! Great! Wonderful! Cool!”

http://cs.fit.edu/~mmahoney/compression/ct.xls

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transcode

Posted in September 10th, 2003

This is a console-mode Linux program built for processing of video streams. Currently supported modules provide support for DVD format, DV, DivX, and more. Lots of good stuff in here for serious video production bloke.

Version 0.6.10 shipped in September, 2003.

http://www.theorie.physik.uni-goettingen.de/~ostreich/transcode/

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SuffixTree

Posted in September 7th, 2003

An Open Source Suffx Tree implementation. Looks as though this might be oriented towards teaching applications, as it is an interactive application, not just an implementation of the data structure.

http://bioinformatics.rit.edu/~tex/publications/suffixtree/

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ANSI C implementation of a Suffix Tree

Posted in September 7th, 2003

A C implementation of a Suffix Tree. This project also includes a Perl module that can use the C code.

http://cs.haifa.ac.il/~shlomo/suffix_tree/

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Cquantizer

Posted in September 4th, 2003

This code project piece uses the octree algorithm to reduce the number of colors in a bitmap. Like most of the code project stuff, it is implemented as a class compatible with Visual C++ and MFC.

Last update of this article was September, 2003.

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

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jzip.org

Posted in September 4th, 2003

jzip.org is a WinZip like program written in java. The project aims to provide the ultimate zip tool free of proprietary code and portable to virtually any modern operating system. Preconfigured binary packages are provided for Windows 9x, Windows 2000 and of course for Linux (that one should fit any Unix-like system).

Release 0.20 w/numerous bug […]

http://jzipdotorg.cjb.net/

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An Image Viewer with Lossless Rotation, EXIF and Other Goodies

Posted in September 1st, 2003

Frank Eden’s article on The Code Project web site is summed up quite well by the title. About the only thing I have to add is to point out that it is designed to work with JPEG images.

http://www.codeproject.com/cs/media/JPEGviewer.asp

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HTTP Compression

Posted in September 1st, 2003

Brian Livingston’s short article on HTTP compression provides some pointers detailing how to configure your server to serve compressed content.

http://itmanagement.earthweb.com/columns/executive_tech/article.php/3068161

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