Top Document: comp.compression Frequently Asked Questions (part 1/3)
JPEG: Source code for most any machine (Independent JPEG Group): http://www.ijg.org/ ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6a.tar.gz ftp://nic.funet.fi/pub/graphics/packages/jpeg/jpegsrc.v6.tar.gz Contact: jpeg-info@uunet.uu.net ftp://havefun.stanford.edu/pub/jpeg/JPEGv1.2.1.tar.Z (has lossless mode) Contact: Andy Hung <achung@cs.stanford.edu> (see item 20 below) ftp://ftp.cs.cornell.edu/pub/multimed/ljpg.tar.Z (lossless jpeg) http://idt.net/~dclunie/jpegls.html (lossless jpeg by David Clunie) xv, an image viewer which can read JPEG pictures, is available in ftp://ftp.cis.upenn.edu/pub/xv/ JPEG-LS (LOCO-I): http://www.hpl.hp.com/loco/ MPEG: If you don't find here what you are looking for, check also http://www.mpeg.org and http://www.powerweb.de/mpeg/ ftp://havefun.stanford.edu/pub/mpeg/ Contact: Andy Hung <achung@cs.stanford.edu> (see item 20 below) ftp://mm-ftp.cs.berkeley.edu/pub/multimedia/mpeg/play/ mpeg_play-2.3-patched-src.tar.gz Contact: mpeg-bugs@cs.berkeley.edu ftp://flash.bu.edu/pub/code/mpeg_system/ (MPEG-I Multi-Stream System Layer encoder/player; includes an enhanced version of mpeg_play) Contact: Jim Boucher <jboucher@spiderman.bu.edu> or Ziv Yaar <zyaar@bu.edu> http://www.bic.mni.mcgill.ca/~greg/mpeglib/ [MPEG library] ftp://ftp.bic.mni.mcgill.ca/pub/mpeg/ Contact: Gregory Ward <greg@bic.mni.mcgill.ca> ftp://nvr.com/pub/NVR-software/ (free demo copy of NVR's software toolkit for SPARCstations) Contact: Todd Brunhoff <toddb@nvr.com> ftp://havefun.stanford.edu/pub/mpeg/ Contact: Andy Hung <achung@cs.stanford.edu> (see item 20 below) ftp://mm-ftp.cs.berkeley.edu/pub/multimedia/mpeg/play/ mpeg_play-2.3-patched-src.tar.gz Contact: mpeg-bugs@cs.berkeley.edu ftp://flash.bu.edu/pub/code/mpeg_system/ (MPEG-I Multi-Stream System Layer encoder/player; includes an enhanced version of mpeg_play) Contact: Jim Boucher <jboucher@spiderman.bu.edu> or Ziv Yaar <zyaar@bu.edu> ftp://ftp.mni.mcgill.ca/pub/mpeg/mpeg_lib-1.2.tar.gz [MPEG library] Contact: Gregory Ward <greg@pet.mni.mcgill.ca> ftp://nvr.com/pub/NVR-software/ (free demo copy of NVR's software toolkit for SPARCstations) Contact: Todd Brunhoff <toddb@nvr.com> http://www.mpeg.org/MSSG or ftp://ftp.mpeg.org/pub/mpeg/mssg/ Contacts: MPEG Software Simulation Group <mssg@mpeg.org> Concerning VMPEG: Stefan Eckart <stefan@chromatic.com> http://www.mpegtv.com (MPEGTV Software MPEG Video Player for Unix) Contact: Tristan Savatier <tristan@mpeg.org> H.261(P*64): havefun.stanford.edu:pub/p64/P64v1.2.tar.Z Contact: Andy Hung <achung@cs.stanford.edu> (see item 20 below) ftp://zenon.inria.fr/rodeo/ivs/last_version/ (Inria videoconference system) Contact: Thierry Turletti <turletti@sophia.inria.fr> (see item 20 below). http://www.angelfire.com/in/H261/index.html H.261 player for Windows95. Contact: kmitl@usa.net H.263: http://www.nta.no/brukere/DVC/h263_software (Telenor Research) http://huizen.dds.nl/~roalt/h263.html (Roalt Aalmoes) JBIG: ftp://nic.funet.fi/pub/graphics/misc/test-images/jbig.tar.gz. ftp://ftp.informatik.uni-erlangen.de/pub/doc/ISO/JBIG/ Contact: Markus Kuhn <mskuhn@cip.informatik.uni-erlangen.de> PNG: For code and sample images, see: http://www.wco.com/~png/ ftp://ftp.uu.net/graphics/png/ ftp://swrinde.nde.swri.edu/pub/png/ mg: (the MG system for compressing and indexing text and images, see item 16) ftp://munnari.oz.au/pub/mg/ Contact: Stuart Inglis <singlis@cs.waikato.ac.nz> BTPC: Binary Tree Predictive Coding http://www.engr.mun.ca/~john/btpc.html Contact: John Robinson <john@monet.uwaterloo.ca> epic: (Efficient Pyramid Wavelet Coder, see item 72) http://www.cis.upenn.edu/~eero/epic.html Contact: Eero P. Simoncelli <eero.simoncelli@nyu.edu> C source code provided. The "Lenna" test image is available as part of the EPIC package, where it is named "test_image". hcompress: (wavelet image compression, see item 72) ftp://stsci.edu/software/hcompress/ wavethresh: (wavelet software for the language S) http://www.stats.bris.ac.uk/pub/software/wavethresh/wavethresh2.2/ Contact: gpn@maths.bath.ac.uk rice-wlet: (wavelet software, see item 72) ftp://cml.rice.edu/pub/dsp/software/rice-wlet-tools.tar.Z Wavelet Transform Coder Construction Kit: http://www.cs.dartmouth.edu/~gdavis/wavelet/wavelet.html Contact: Geoff Davis <gdavis@cs.dartmouth.edu> scalable: (2 & 3 dimensional subband transformation) ftp://robotics.eecs.berkeley.edu/pub/multimedia/ Contact: scalable@robotics.eecs.berkeley.edu SPIHT: (Set Partitioning in Hierarchical Trees, wavelet-based) http://ipl.rpi.edu/SPIHT/ DjVu: Image compression library from AT&T Labs (includes a wavelet-based image compressor) http://www.djvu.att.com/open/ Contact: djvu@www.anything.com compfits: ftp://ftp.cfht.hawaii.edu/pub/compfits/CompFITS-20Nov96.tar.Z Contact: Jim Wright <jwright@cfht.hawaii.edu> fitspress: ftp://cfata4.harvard.edu/pub/ tiff: For source and sample images, see question 18 below. DCT algorithms used to be in: ftp://etro.vub.ac.be/pub/transfer/COMPRESSION/DCT_ALGORITHMS/ Contact: Charilos Christopoulos <chchrist@etro2.vub.ac.be> for the sources xanim: (X11 animation viewer, supports Quicktime and several other formats) ftp://ftp.x.org/contrib/applications/ ftp://ftp.shell.portal.com/pub/podlipec/ A demo of image compression using neural networks is available in http://www.ee.duke.edu/~cec/index.html. For fractal compression programs, see item 17 below. For Vector Quantization software, see item 76 in part 2 of this FAQ. For image compression hardware, see item 85 in part 3 of this FAQ.
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