On the temporal HZY compression scheme

Z. Cohen, Y. Matias, S. Muthukrishnan, S. C. Sahinalp

Research output: Contribution to conferencePaperpeer-review


The HZY compression scheme is a context-based compression method. It is a one-pass algorithm as the codeword of a given block T[(k-1)β+1:kβ] depends only on the `past'. Analysis of this scheme shows that on any input generated by a stationary ergodic source, the output of the temporal HZY scheme converges to the conditional entropy of the source. No other one-pass compression scheme is known to be optimal under this refined notion of information content.

Original languageEnglish
Number of pages2
StatePublished - 2000
Externally publishedYes
Event11th Annual ACM-SIAM Symposium on Discrete Algorithms - San Francisco, CA, USA
Duration: 9 Jan 200011 Jan 2000


Conference11th Annual ACM-SIAM Symposium on Discrete Algorithms
CitySan Francisco, CA, USA


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