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A Compact Tree Representation of an Antidictionary

Takahiro OTA, Hiroyoshi MORITA

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Summary :

In both theoretical analysis and practical use for an antidictionary coding algorithm, an important problem is how to encode an antidictionary of an input source. This paper presents a proposal for a compact tree representation of an antidictionary built from a circular string for an input source. We use a technique for encoding a tree in the compression via substring enumeration to encode a tree representation of the antidictionary. Moreover, we propose a new two-pass universal antidictionary coding algorithm by means of the proposal tree representation. We prove that the proposed algorithm is asymptotic optimal for a stationary ergodic source.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.9 pp.1973-1984
Publication Date
2017/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.1973
Type of Manuscript
PAPER
Category
Information Theory

Authors

Takahiro OTA
  Nagano Prefectural Institute of Technology
Hiroyoshi MORITA
  The University of Electro-Communications

Keyword