G.Neubig, T.Watanabe, E.Sumita, S.Mori, and T.Kawahara.
Joint phrase alignment and extraction for statistical machine translation.
J. Information Processing, Vol.20, No.2, pp.512--523, 2012. (text)
G.Neubig, M.Mimura, S.Mori, and T.Kawahara.
Bayesian learning of a language model from continuous speech.
IEICE Trans., Vol.E95-D, No.2, pp.614--625, 2012. (text)
S.Sakai, T.Kawahara, and H.Kawai.
Probabilistic concatenation modeling for corpus-based speech synthesis.
IEICE Trans., Vol.E94-D, No.10, pp.2006--2014, 2011. (text)
D.Cournapeau, S.Watanabe, A.Nakamura, and T.Kawahara.
Online unsupervised classification with model comparison in the Variational Bayes framework for voice activity detection.
IEEE J. Selected Topics in Signal Processing, Vol.4, No.6, pp.1071--1083, 2010. (text) (PDF file) (KURENAI)
R.Gomez and T.Kawahara.
Robust speech recognition based on dereverberation parameter optimization using acoustic model likelihood.
IEEE Trans. Audio, Speech \& Language Process., Vol.18, No.7, pp.1708--1716, 2010. (text) (PDF file) (KURENAI)
Y.Akita and T.Kawahara.
Statistical transformation of language and pronunciation models for spontaneous speech recognition.
IEEE Trans. Audio, Speech \& Language Process., Vol.18, No.6, pp.1539--1549, 2010. (text) (PDF file) (KURENAI)
K.Ishizuka, S.Araki, and T.Kawahara.
Speech activity detection for multi-party conversation analyses based on likelihood ratio test on spatial magnitude.
IEEE Trans. Audio, Speech \& Language Process., Vol.18, No.6, pp.1354--1365, 2010. (text) (PDF file)
T.Shinozaki, S.Furui, and T.Kawahara.
Gaussian mixture optimization based on efficient cross-validation.
IEEE J. Selected Topics in Signal Processing, Vol.4, No.3, pp.540--547, 2010. (text) (PDF file)
T.Misu and T.Kawahara.
Bayes risk-based dialogue management for document retrieval system with speech interface.
Speech Communication, Vol.52, No.1, pp.61--71, 2010. (text) (PDF file)
H.Wang and T.Kawahara.
Effective prediction of errors by non-native speakers using decision tree for speech recognition-based CALL system.
IEICE Trans., Vol.E92-D, No.12, pp.2462--2468, 2009. (text)
H.Wang, C.J.Waple, and T.Kawahara.
Computer assisted language learning system based on dynamic question generation and error prediction for automatic speech recognition.
Speech Communication, Vol.51, No.10, pp.995--1005, 2009. (text) (PDF file)
T.Akiba, K.Aikawa, Y.Itoh, T.Kawahara, H.Nanjo, H.Nishizaki, N.Yasuda, Y.Yamashita, and K.Itou.
Construction of a test collection for spoken document retrieval from lecture audio data.
情報処理学会論文誌, Vol.50, No.2, pp.501--513, 2009. (text)
D.Cournapeau and T.Kawahara.
Voice activity detection based on high order statistics and online EM algorithm.
IEICE Trans., Vol.E91-D, No.12, pp.2854--2861, 2008. (text)
I.R.Lane, T.Kawahara, T.Matsui, and S.Nakamura.
Out-of-domain utterance detection using classification confidences of multiple topics.
IEEE Trans. Audio, Speech \& Language Process., Vol.15, No.1, pp.150--161, 2007. (text) (PDF file) (KURENAI)
T.Misu and T.Kawahara.
Dialogue strategy to clarify user's queries for document retrieval system with speech interface.
Speech Communication, Vol.48, No.9, pp.1137--1150, 2006. (text) (PDF file)
C.Troncoso and T.Kawahara.
Trigger-based language model adaptation for automatic transcription of panel discussions.
IEICE Trans., Vol.E89-D, No.3, pp.1024--1031, 2006. (text)
I.R.Lane and T.Kawahara.
Verification of speech recognition results incorporating in-domain confidence and discourse coherence measures.
IEICE Trans., Vol.E89-D, No.3, pp.931--938, 2006. (text)
M.Nishida and T.Kawahara.
Speaker model selection based on the Bayesian information criterion applied to unsupervised speaker indexing.
IEEE Trans. Speech \& Audio Process., Vol.13, No.4, pp. 583--592, 2005. (text) (PDF file) (KURENAI)
K.Komatani, S.Ueno, T.Kawahara, and H.G.Okuno.
User modeling in spoken dialogue systems to generate flexible guidance.
User Modeling and User-Adapted Interaction, Vol.15, No.1, pp. 169--183, 2005. (text)
I.R.Lane, T.Kawahara, T.Matsui, and S.Nakamura.
Dialogue speech recognition by combining hierarchical topic classification and language model switching.
IEICE Trans., Vol.E88-D, No.3, pp.446--454, 2005. (text)
Y.Akita and T.Kawahara.
Language model adaptation based on PLSA of topics and speakers for automatic transcription of panel discussions.
IEICE Trans., Vol.E88-D, No.3, pp.439--445, 2005. (text)
T.Kawahara, M.Hasegawa, K.Shitaoka, T.Kitade, and H.Nanjo.
Automatic indexing of lecture presentations using unsupervised learning of presumed discourse markers.
IEEE Trans. Speech \& Audio Process., Vol.12, No.4, pp. 409--419, 2004. (text) (PDF file) (KURENAI)
H.Nanjo and T.Kawahara.
Language model and speaking rate adaptation for spontaneous presentation speech recognition.
IEEE Trans. Speech \& Audio Process., Vol.12, No.4, pp. 391--400, 2004. (text) (PDF file) (KURENAI)
Y.Tsubota, T.Kawahara, and M.Dantsuji.
An English pronunciation learning system for Japanese students based on diagnosis of critical pronunciation errors.
ReCALL Journal, Vol.16, No.1, pp.173--188, 2004. (PDF file)
Y.Tsubota, T.Kawahara, and M.Dantsuji.
Formant structure estimation using vocal tract length normalization for CALL system.
Acoustical Science \& Technology, Vol.24, No.2, pp.93--96, 2003. (PDF file)
M.Mimura and T.Kawahara.
Difference of acoustic modeling for read speech and dialogue speech.
Acoustical Science \& Technology, Vol.22, No.5, pp.373--374, 2001. (PDF file)
C.-H.Jo, T.Kawahara, S.Doshita, and M.Dantsuji.
Japanese pronunciation instruction system using speech recognition methods.
IEICE Trans., Vol.E83-D, No.11, pp.1960--1968, 2000. (text)
T.Kawahara, A.Lee, T.Kobayashi, K.Takeda, N.Minematsu, K.Itou, A.Ito, M.Yamamoto, A.Yamada, T.Utsuro, and K.Shikano.
Japanese dictation toolkit -- 1997 version --.
J. Acoust. Soc. Japan (E), Vol.20, No.3, pp.233--239, 1999. (text) (PDF)
T.Kawahara, C.-H.Lee, and B.-H.Juang.
Flexible speech understanding based on combined key-phrase detection and verification.
IEEE Trans. Speech \& Audio Process., Vol.6, No.6, pp. 558--568, 1998. (text) (PDF file)
T.Kawahara and S.Doshita.
Comparison of discrete and continuous classifier-based HMM.
J. Acoust. Soc. Japan (E), Vol.13, No.6, pp.361--367, 1992. (text) (PDF)