Novosibirsk State University Journal of Information Technologies
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All Issues >> Contents: Volume 08, Issue No 4 (2010)

Generalization of known methods of string coding
Dmitry Sergeyevich Kovalev

Novosibirsk State University

UDC code: 519.72

Abstract
The first part of this paper is about Huffman coding. Its key feature is a binary tree construction. This tree defines recursive partition of alphabet set to construct prefix codes. Generalization of binary tree to q-ary tree is well known. This paper gives Huffman coding generalization for any trees. The second part of this paper defines another approach to understanding Lembel-Ziv family of algorithms. The suggestion is that these algorithms encode a mapping associated with a string, not a string itself. The string is a fixed point of encoded mapping in this case.

Key Words
enumerative coding, LZ78, LZ77, Lempel-Ziv algorithms, Huffman coding

How to cite:
Kovalev D. S. Generalization of known methods of string coding // Vestnik NSU Series: Information Technologies. - 2010. - Volume 08, Issue No 4. - P. 5-14. - ISSN 1818-7900. (in Russian).

Full Text in Russian

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References
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Publication information
Main title Vestnik NSU Series: Information Technologies, Volume 08, Issue No 4 (2010).
Parallel title: Novosibirsk State University Journal of Information Technologies Volume 08, Issue No 4 (2010).

Key title: Vestnik Novosibirskogo gosudarstvennogo universiteta. Seriâ: Informacionnye tehnologii
Abbreviated key title: Vestn. Novosib. Gos. Univ., Ser.: Inf. Tehnol.
Variant title: Vestnik NGU. Seriâ: Informacionnye tehnologii

Year of Publication: 2010
ISSN: 1818-7900 (Print), ISSN 2410-0420 (Online)
Publisher: Novosibirsk State University Press
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