# Compression Pointers

Compression resources, conferences, and some research groups and companies, are listed towards the end of this page.

Use this handy form to add something to this page, or to simply say you liked this page

## What's New?

Jean-loup Gailly -- Mr. gzip, PNG, CCR (1996-06-10)
MPEG Pointers and Resources
Robert M. Gray -- Signal compression, VQ, image quality evaluation (1996-04-22)
Compression and Classification Group -- ISL,EE,Stanford (1996-04-22)
Signal Processing and the International Information Infrastructure -- Web sites (1996-04-22)
Valenta, Vladimir -- (1996-04-22)
Jordan, Frederic -- Parallel Image Compression (1996-04-12)
Electro-Optical Technologies, Inc. -- Consultant (1996-04-12)
quicktime.apple.com -- Quicktime site (1996-03-11)
IBM Hardware -- Compression chips (1996-03-11)

## People

## A

Adler, Mark -- Info-ZIP; Zip, UnZip, gzip and zlib co-author; PNG group

## B

Baker, Matthew -- Region based video compression

Bamberger, Roberto H.

Bell, Daniel -- Region based image compression

Bell, Tim -- compression, computer science for children, and computers and music.

Bellard, Fabrice -- Author of LZEXE

Berghorn, Willy

Bhaskaran, Vasudev -- Image and Video compression

Bloom, Charles -- text compression, LZ methods, PPM methods...

Brito, Roger -- Arithmetic Coding, LZW, Text Compression

Budge, Scott E. -- medical/lossy image compression

Burnett, Ian -- Speech coding, prototype waveform techniques

## C

Chan, Christopher -- universal lossy source coding, adaptive VQ

Chao, Hong-yang -- Lightning strike image compressor

Chao, Stewart

Cherriman, Peter

Cheung, S.C. -- Scalable video compression algorithms (18th Feb 1996)

Christopoulos, Charilaos -- Image and Video compression

Chrysafis, Christos

Chung, Wilson C. -- R-D image and video coding, subband/wavelet, filter banks

Clark, Alan -- primary contact for V.42bis. Developed BTLZ variant of LZW

Cleary, John -- PPM, PPM*, K*

Cohn, Martin

Cormack, Gordon V. -- DMC

Cramer, Chris -- neural network image compression

## D

Danskin, John -- Protocol compression, document compression (9th Feb 1996)

Davis, Geoff -- wavelets, image compression, medical

Dilger, Andreas -- fractal block coding of video sequences

## E

Estes, Robert

## F

Fisher, Yuval -- Fractal Image Compression

Ford, Adrian -- Subjective and Objective Compression quality (5th Mar 1996)

## G

Jean-loup Gailly -- Mr. gzip, PNG, CCR (1996-06-10)

Gersho, Allen -- Vector Quantisation, Image Compression

Goertzel, Ben

Gooch, Mark -- High Performance Hardware Compression (7th Feb 1996)

Goyal, Vivek -- overcomplete representations, adaptive transform coding, VQ

Robert M. Gray -- Signal compression, VQ, image quality evaluation

## H

Hafner, Ullrich -- WFA image compression

Hirschberg, Dan -- algorithm theory, compression

Holland, Scott

Horspool, R. Nigel -- text compression, ECG compression

## I

Inglis, Stuart -- image compression, OCR, lossy/lossless document compression

## J

Jones, Douglas -- splay-tree based compression and encryption

Jones, Simon -- Lossless compression, High Performance Hardware (7th Feb 1996)

Jordan, Frederic -- Parallel Image Compression (12th April 1996)

Jung, Robert K. -- ARJ

jutta

## K

Kominek, John -- Fractal and spline based compression

Kjelso, Morten -- Main memory compression, High performance hardware

Kuhn, Markus -- JBIG implementation

Kuo, C.-C. Jay

Kuru, Esa

Kyfonidis, Theodoros

## L

Lamparter, Bernd

Langdon, Glen

Larsson, Jesper -- algorithms and data structures, text compression

## M

Manber, Udi

Mangen, Jean-Michel -- image compression, wavelets, satellite

Moffat, Alistair -- text and index compression, coding methods, information retrieval, document databases

Montgomery, Christopher -- OggSquish, audio compression

Mueller, Urban Dominik -- XPK system

## N

Neal, Radford

Nevill-Manning, Craig

Nicholls, Jeremy

Noah, Matt -- speech, ATC, ACELP and IMBE

Nuri, Veyis -- wavelets, data compression, DSP (speech & image)

## O

Oleg -- Lots of code

Ortega, Antonio -- Video compression, Packet video, Adaptive quantization

Owen, Charles

## P

Provine, Joseph -- Model based coding

## R

Robinson, John -- Binary Tree Predictive Coding

Roelofs, Greg -- Info-ZIP; primary UnZip author; PNG group

Rose, Kenneth

Russo, Roberto Maria -- Multiplatform Data Compression

## S

Schmidt, Bill

Shaw, Sandy C.

Sharifi, Kamran -- Video over ATM networks

Shende, Sunil M.

Silverstein, D. Amnon

Smoot, Steve -- MPEG

Storer, James A.

Streit, Jurgen -- Low bitrate coding

Strutz, Tilo -- Wavelet image compressor, demonstration execs

## T

Tate, Steve

Teahan, Bill -- PPM, PPM*, master of the Calgary Corpus

Thomson, Duncan -- ECG compression with ANNs

Tilton, James C.

Tomczyk, Marek

Turpin, Andrew -- Prefix Codes

## V

Vetterli, Martin -- wavelets, subband coding, video compression, computational complexity

Vitter, Jeff

Voukelatos, Stathis

de Vries, Nico -- AIP-NL, UltraCompressor II development

## W

Wareham, Paul -- Region-oriented video coding

Wegener, Al -- DSP, lossless audio compression and AC-2

Wei, Dong -- Wavelet compression

Williams, Ross

Witten, Ian -- PPM, mg, arithmetic coding

Wolff, Gerry

Woo, Woon-Tack -- stereo image and video compression (12th Feb 1996)

Wu, Xiaolin -- CALIC

## Z

Zobel, Justin -- index compression, database compression

## Conferences

Data Compression Conference (DCC), Snowbird, Utah, USA.

## Resources

Where to get answers...
  International Telecommunication Union (ITU) -- standards documents (CCITT)
  comp.compression -- Frequently Asked Questions -- Come here 1st!
  JPEG - Frequently Asked Questions
  MPEG - Frequently Asked Questions
  Standards - Frequenty Asked Questions
  usenet newsgroup: comp.compression.research
  Archive Compression Test -- Summary of all archivers
  Fractal compression bibliography -- bibtex file
  LZ/Complexity Seminars -- (in German)
  Comparitive Compression Ratios -- Sofar...B&W, Gray Scale, Text Compression
  VCN (Video, Compression, Networking) Glossary
  Digital Library -- search for compression
Reports/Ph.D. Theses
  Paul Howards Ph.D. thesis
  The Design and Analysis of Efficient Lossless Data Compression Systems
Source code
  Arithmetic coding routines
  (from Moffat, Neal and Witten, Proc. DCC, April 1995)
  CACM Arithmetic coding package
  (Witten, Neal and Cleary, CACM 30:520-541, June 1987)
  JBIG Source code Includes a Q-coder
  Markus Kuhn's JBIG implementation
  k-arithmetic coder
  Lossless Data Compression toolkit 1.1
  Splay Trees Code -- by Douglas W. Jones
  Block compression code -- Excellent text compressor
Test Files
  Test Images -- CCITT images (pbm), Lena etc. (Sun raster)
  Stockholm test images -- You have to buy a CDROM, thats all I know! :-(
  mail me at singlis@cs.waikato.ac.nz if you know anything about them.
  Calgary Text Compression Corpus (Text Compression, Bell, Cleary and Witten, 1990)

  ## Research Projects, Standards & Companies

Research/Free software Groups
  Compression and Classification Group -- ISL,EE,Stanford (22th April 1996)
  Voice email -- Lossless audio compression (18th Feb 1996)
  Electro-Optical Technologies, Inc. -- Consultant (12th April 1996)
  quicktime.apple.com -- Quicktime site (11th Mar 1996)
  IMAGE etc. -- Commercial image compression software (Fractals/Wavelets) (29th Feb 1996)
  NCAR CCM Compression and Visualisation -- (18th Feb 1996)
  SPIHT -- Wavelet Natural Image Compressor (12th Feb 1996)
  Real-Time Lossless Compression Systems -- Loughborough University
  Web site for Multirate Signal Processing -- University of Wisconsin, Madison
  Info-ZIP -- free, portable Zip and UnZip utilities
  CEDIS -- NASA, Maryland, Image/data compression
  CIC-3 Image Compression -- FBI Fingerprints
  Signal Compression Lab at UCSB
  University of Washington compression lab -- VQ, Wavelets, Shlomo

Snippets
  Signal Processing and the International Information Infrastructure -- Web sites (22th April 1996)
  Increasing Web bandwith -- comparing GIF, JPEG, Fractal compression
  Fractal Links on Yahoo
  Digital Speech Compression GSM 06.10 RPE-LTP -- DDJ
  CREW -- Continuous tone loss(y/less) wavelet compression
  CALIC -- Context-based adaptive lossless image compressor
  Berkeley MPEG -- MPEG tools
  MPEG Pointers and Resources

Wavelets
  EPIC (Efficient Pyramid Image Coder) -- by Eero Simoncelli
  Tucker, Michael -- FASTWAVE, audio/image compression
  HARC -- Lossy Wavelet Compression technology
  UC Berkeley Wavelet Group
  Khoros Wavetlet and Compression Toolbox
  The Wavelet Digest
  Rice DSP Publications Archive -- Wavelets, Time Frequency/Scale

Fractals
  Fractal Image Compression -- Software, Pointers, Conferences
  Fractal Design Corporation
  New Fractal Image Compression program

Companies
  IBM Hardware -- Compression chips (11th Mar 1996)
  Summus Wavelet Technology -- Wavelet image and video compressors (11th Mar 1996)
  Fractal Image Compression -- Mitsubishi (18th Feb 1996)
  Terran Interactive -- Video compression for the Mac (1st Feb 1996)
  DV Mpeg -- Windows drivers (18th Feb 1996)
  Crawford Compression Services -- MPEG post-production (18th Feb 1996)
  Intelligent Compression Technologies (18th Feb 1996)
  Pegasus Imaging -- Compression software/dev. kits (12th Feb 1996)
  Aladdin Systems -- StuffIt compression products
  Stac Electronics
  DCP Research -- Hardware solutions
  Aware Inc. -- Specialised compression company
  IVS - INRIA Videoconferencing System
  Telvox Teleinformatica -- Multiplatform Data Compressor
  Compression Technologies, Inc -- Canada
  Optivision -- MPEG
  PKWARE -- Makers of PKZIP
  Multimedia Imaging Services

Audio compression
  Fraunhofer Institut für Integrierte Schaltungen
  Shorten
  digital speech compression
  Audio compression references
  SpeakFreely - compression
  SpeakFreely - Contents