A Streaming Piecewise-Constant Model

  • Authors:
  • Paul J. Ausbeck, Jr.

  • Affiliations:
  • -

  • Venue:
  • DCC '99 Proceedings of the Conference on Data Compression
  • Year:
  • 1999

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Abstract

The piecewise-constant image model (PWC) is remarkably effective for compressing palette images. This paper discloses a new streaming version of PWC that retains the excellent compression efficiency of the original algorithm while dramatically enhancing compression performance. Further, compression throughput is made more constant, making it possible to code sparse images very quickly.