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Paper Abstract and Keywords
Presentation 2004-07-29 11:20
Redundancy of Bayes Coding for Nonstationary Sources with Piecewise Constant Parameters
Tota Suko, Toshiyasu Matsushima, Shigeichi Hirasawa (Waseda Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper we treat universal source coding when the parameters of the probabilistic model of source are known.
Bayes code is one of the wellknowm universal codes.
Bayes code has Bayes optimality in point of minimization of redundancy.
Recently, many researches of Bayes code for nonstationary sources are done.
Researches for sources with piecewise constant parameters are one of them.
Each sections are visible to stationary sources. But these sources have abruptly changing parameters.
And they are treated as nonstationary sources.
But the Asymptotic character of mean redundancy for this source is not known.
In this paper, we evaluate asymptotic mean redundancy of this source with the conditions of change number is not kown.
And we show that Bayes code has universality with some condtions.
Keyword (in Japanese) (See Japanese page) 
(in English) source coding / universal coding / Bayes code / nonstationary source / / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 229, IT2004-22, pp. 23-28, July 2004.
Paper # IT2004-22 
Date of Issue 2004-07-22 (IT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee IT  
Conference Date 2004-07-28 - 2004-07-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Univ. (Kashiwa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) freshman, general 
Paper Information
Registration To IT 
Conference Code 2004-07-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Redundancy of Bayes Coding for Nonstationary Sources with Piecewise Constant Parameters 
Sub Title (in English)  
Keyword(1) source coding  
Keyword(2) universal coding  
Keyword(3) Bayes code  
Keyword(4) nonstationary source  
1st Author's Name Tota Suko  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Toshiyasu Matsushima  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Shigeichi Hirasawa  
3rd Author's Affiliation Waseda University (Waseda Univ.)
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Date Time 2004-07-29 11:20:00 
Presentation Time 25 
Registration for IT 
Paper # IEICE-IT2004-22 
Volume (vol) IEICE-104 
Number (no) no.229 
Page pp.23-28 
#Pages IEICE-6 
Date of Issue IEICE-IT-2004-07-22 

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