Image data compression by predictive coding II: encoding algorithms

  • Authors:

  • L. R. Bahl;H. Kobayashi

  • Affiliations:

  • IBM Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Thomas J. Watson Research Center, Yorktown Heights, New York

  • Venue:
  • IBM Journal of Research and Development
  • Year:
  • 1974

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Abstract

This paper deals with predictive codihg techniques for efficient transmission or storage of two-level (black and white) digital images. Part I discussed algorithms for prediction. Part II deals with coding techniques for encoding the prediction error pattern. First, we survey some schemes fore ncoding if the error pattern is assumed to be memoryless. Then a method is developed for encoding certain run-length distributions. Finally, some experimental results for sample documents are presented.