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Optimality Of Variable-Length CodesReport presents analysis of performances of conceptual Rice universal noiseless coders designed to provide efficient compression of data over wide range of source-data entropies. Includes predictive preprocessor that maps source data into sequence of nonnegative integers and variable-length-coding processor, which adapts to varying entropy of source data by selecting whichever one of number of optional codes yields shortest codeword.
Document ID
19940000282
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Yeh, Pen-Shu (Goddard Space Flight Center)
Miller, Warner H. (Goddard Space Flight Center)
Rice, Robert F. (Caltech)
Date Acquired
August 16, 2013
Publication Date
May 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 5
ISSN: 0145-319X
Subject Category
Mathematics And Information Sciences
Report/Patent Number
NPO-18834
Accession Number
94B10282
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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