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IEICE Trans

Akira KAMATSUKA


Soft Binary Hypothesis Testing via Tunable Loss Functions
Akira KAMATSUKA Takahiro YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2026/03/01
Vol. E109-A  No. 3  pp. 442-451
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
hypothesis testingtunable lossChernoff information
 Summary | Full Text:PDF

Probability Distribution on Rooted Trees: Generalization from Full Trees
Yuta NAKAHARA Shota SAITO Akira KAMATSUKA Toshiyasu MATSUSHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2026/03/01
Vol. E109-A  No. 3  pp. 524-537
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
Bayesian decision theoryBayesian inferenceBayesian statisticsrecursive algorithmrooted trees
 Summary | Full Text:PDF

A Variational Characterization of H-Mutual Information and Its Application to Computing H-Capacity
Akira KAMATSUKA Koki KAZAMA Takahiro YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2025/03/01
Vol. E108-A  No. 3  pp. 405-413
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon Theory
Keyword: 
H-mutual informationArimoto-Blahut algorithmstatistical decision theoryvalue of information
 Summary | Full Text:PDF

A Bayesian Decision-Theoretic Change-Point Detection for i.p.i.d. Sources
Kairi SUZUKI Akira KAMATSUKA Toshiyasu MATSUSHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2020/12/01
Vol. E103-A  No. 12  pp. 1393-1402
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Machine Learning
Keyword: 
change-point detectionstatistical decision theoryBayes risk principlei.p.i.d. sources
 Summary | Full Text:PDF