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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 12 of 12  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, ISEC, IT, WBS 2024-03-13
- 2024-03-14
Osaka Osaka Univ. (Suita Campus) New Algorithms for Computing a Correct Decoding Probability Exponent and an Error Decoding Probability Exponent with Cost Constraints and their Equivalency
Koki Kazama (Waseda Univ.), Akira Kamatsuka (Shonan Institute of Technology), Takahiro Yoshida (Nihon Univ.) IT2023-110 ISEC2023-109 WBS2023-98 RCC2023-92
In channel coding, there are two representative previous algorithms for computing cost-constrained correct decoding prob... [more] IT2023-110 ISEC2023-109 WBS2023-98 RCC2023-92
pp.232-237
IT 2023-08-04
09:55
Kanagawa Shonan Institute of Technology
(Primary: On-site, Secondary: Online)
New Algorithms for Computing Arimoto-Sibson Capacity
Yuki Ishikawa, Akira Kamatsuka (SIT), Koki Kazama (Waseda Univ.) IT2023-22
Arimoto's alternating optimization algorithm (Arimoto--Blahut algorithm) has been proposed as an algorithm for calculati... [more] IT2023-22
pp.44-49
IT 2023-08-04
10:20
Kanagawa Shonan Institute of Technology
(Primary: On-site, Secondary: Online)
Hölder's Reverse Inequality and Its Application to Computation of Lapidoth--Pfister Mutual Information
Akira Kamatsuka (SIT), Koki Kazama (Waseda Univ.) IT2023-23
The H"{o}lder's inequality, a fundamental theoretical inequality, is employed to examine the characteristics of the reli... [more] IT2023-23
pp.50-55
IBISML 2021-03-03
14:25
Online Online Markov Decision Processes for Simultaneous Control of Multiple Objects with Different State Transition Probabilities in Each Cluster
Yuto Motomura, Akira Kamatsuka, Koki Kazama, Toshiyasu Matsushima (Waseda Univ.) IBISML2020-49
In this study, we propose an extended MDP model, which is a Markov decision process model with multiple control objects ... [more] IBISML2020-49
pp.47-54
IT, EMM 2020-05-28
15:00
Online Online Bayes Optimal Detecting Relevant Changes for i.p.i.d. Sources
Kairi Suzuki, Akira Kamatsuka, Toshiyasu Matsushima (Waseda Univ.) IT2020-3 EMM2020-3
The problems of detecting change points are studied in various fields.
There are various types of change-point detectio... [more]
IT2020-3 EMM2020-3
pp.13-18
ISEC, IT, WBS 2020-03-10
13:50
Hyogo University of Hyogo
(Cancelled but technical report was issued)
A Statistical Decision-Theoretic Approach for Measuring Privacy Risk in Information Disclosure Problem
Alisa Miyashita, Akira Kamatsuka (Waseda Univ.), Takahiro Yoshida (Yokohama College of Commerce), Toshiyasu Matsushima (Waseda Univ.) IT2019-104 ISEC2019-100 WBS2019-53
In this paper, we deal with the problem of database statistics publishing with privacy and utility guarantees. While var... [more] IT2019-104 ISEC2019-100 WBS2019-53
pp.95-100
ISEC, IT, WBS 2020-03-11
11:45
Hyogo University of Hyogo
(Cancelled but technical report was issued)
A Note on the Relationship between Smooth Locally Decodable Codes and Private Information Retrieval
Koki Kazama, Akira Kamatsuka (Waseda Univ.), Takahiro Yoshida (Yokohama Col. of Commerce), Toshiyasu Matsushima (Waseda Univ.) IT2019-120 ISEC2019-116 WBS2019-69
We focus on smooth locally decodable codes (SLDC) and Private Information Retrieval (PIR).
Recently, the relationship b... [more]
IT2019-120 ISEC2019-116 WBS2019-69
pp.201-206
NC, IBISML, IPSJ-MPS, IPSJ-BIO [detail] 2019-06-17
15:25
Okinawa Okinawa Institute of Science and Technology Optimal Estimating the Number of Change Points for Sources with Piecewise Constant parameters under Bayesian Criterion
Kairi Suzuki, Akira Kamatsuka, Toshiyasu Matsushima (Waseda Univ.) IBISML2019-6
The problem of estimating the number of the change points is an important problem in various real problems.There have be... [more] IBISML2019-6
pp.35-41
RCS, IT, SIP 2016-01-18
10:35
Osaka Kwansei Gakuin Univ. Osaka Umeda Campus A Study on Soft Decision Decoding for Array-Error Channel
Koki Kazama, Akira Kamatsuka, Toshiyasu Matsushima (Waseda Univ.) IT2015-49 SIP2015-63 RCS2015-281
 [more] IT2015-49 SIP2015-63 RCS2015-281
pp.7-12
IT 2015-09-04
14:50
Ishikawa Hakusan Shobutei On decoding of Polar codes using search algorithm
Akira Kamatsuka, Toshiyasu Matsushima (Waseda Univ.) IT2015-43
Polar codes and successive cancelation (SC) decoding was proved to achieve capacity on binary discrete memoryless symmet... [more] IT2015-43
pp.55-60
IBISML 2014-11-18
15:00
Aichi Nagoya Univ. [Poster Presentation] A Note on Attack Against Nonlinear Combiner Generator Using Sum-Product Algorithm
Kota Kubo, Shota Saito, Akira Kamatsuka, Toshiyasu Matsushima (Waseda Univ.) IBISML2014-83
When parameters have some restrictions, we can present it on a graphical model and find the values of unknown parameters... [more] IBISML2014-83
pp.357-364
IT 2014-07-17
15:15
Hyogo Kobe University A Note on Optimal Control System for Selective-Repeat Hybrid SR-ARQ with a Finite Length Buffer
Yuta Kageyama, Akira Kamatsuka (Waseda Univ.), Yasunari Maeda (Kitami Institute of Technology), Toshiyasu Matsushima (Waseda Univ.) IT2014-21
Hybrid ARQ is one of the error correction scheme.It is Combination of ARQ and FEC.Algorithms for throughput maximization... [more] IT2014-21
pp.55-58
 Results 1 - 12 of 12  /   
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