HELP! * GREY=local LOCAL HTML version of Foils prepared July 28,1995

Foil 17 Video Compression -- I

From HPDC95 Collaboration Presentation HPDC95 Tutorial Pentagon City -- August 1 1995. by Roman Markowski and Geoffrey Fox * See also color IMAGE
MPEG - Motion Picture Experts Group; lossy algorithm;
  • standard for compression synchronized audio and video; full screen,
  • 30 fps playback at 352x240 resolution
H.261 - similar but not compatible with MPEG; videocodec for audiovisual services at px64 Kbps (p=1..30);
  • describes videosource coder, video multiplex coder and the transmission coder;
  • video for ISDN
CellB - lossy algorithm, intra-frame compression; very efficient to decode in software;
  • motion sensitive compression scheme (compresses across frames); SunVideo Board

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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