Naonori UEDA


Selection of Shared-State Hidden Markov Model Structure Using Bayesian Criterion
Shinji WATANABE Yasuhiro MINAMI Atsushi NAKAMURA Naonori UEDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/01/01
Vol. E88-D  No. 1  pp. 1-9
Type of Manuscript:  Special Section PAPER (Special Section on the 2003 IEICE Excellent Paper Award)
Category: 
Keyword: 
speech recognitionshared-state HMMmodel structure selectionvariational BayesBayesian criterion
 Summary | Full Text:PDF(521.1KB)

EM Algorithm with Split and Merge Operations for Mixture Models
Naonori UEDA Ryohei NAKANO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/12/25
Vol. E83-D  No. 12  pp. 2047-2055
Type of Manuscript:  INVITED PAPER (Special Issue on the 1999 IEICE Excellent Paper Award)
Category: Biocybernetics, Neurocomputing
Keyword: 
EM algorithmsplit and merge operationsmixture modelsmaximum likelihood estimatesdimensionality reduction
 Summary | Full Text:PDF(2.1MB)