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 |
Download PDF |
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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) |
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Keyword(1) |
source coding |
Keyword(2) |
universal coding |
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Bayes code |
Keyword(4) |
nonstationary source |
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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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Speaker |
Author-1 |
Date Time |
2004-07-29 11:20:00 |
Presentation Time |
25 minutes |
Registration for |
IT |
Paper # |
IT2004-22 |
Volume (vol) |
vol.104 |
Number (no) |
no.229 |
Page |
pp.23-28 |
#Pages |
6 |
Date of Issue |
2004-07-22 (IT) |