- Hirokazu Kameoka, Misa Sato, Takuma Ono, Nobutaka Ono, Shigeki Sagayama, "Blind separation of infinitely many sparse sources,"
in Proc. The 13th International Workshop on Acoustic Signal Enhancement (IWAENC 2012),
Sep. 2012.
(PDF)
(Poster)
- Akisato Kimura, Masashi Sugiyama, Hitoshi Sakano, Hirokazu Kameoka,
"Designing various component analysis at will," Accepted for publication in Proc.
The 21st International Conference on Pattern Recognition (ICPR 2012),
Nov. 2012.
- Hirokazu Kameoka, Kazuki Ochiai, Masahiro Nakano, Masato Tsuchiya, Shigeki Sagayama, "Context-free 2D tree structure model of musical notes for Bayesian modeling of polyphonic spectrograms," Accepted for publication in Proc. The 13th International Society for Music Information Retrieval Conference (ISMIR 2012), Oct. 2012.
(PDF)
(Poster)
- Kota Yoshizato, Hirokazu Kameoka, Daisuke Saito, Shigeki Sagayama, "Hidden Markov convolutive mixture model for pitch contour analysis of speech," Accepted for publication in Proc. The 13th Annual Conference of the International Speech Communication Association (Interspeech 2012), Sep. 2012.
<Selected as a finalist of the Best Student Paper Award>
- Yasunori Ohishi, Hirokazu Kameoka, Daichi Mochihashi, Kunio Kashino, "A stochastic model of singing voice F0 contours for characterizing expressive dynamic components," Accepted for publication in Proc. The 13th Annual Conference of the International Speech Communication Association (Interspeech 2012), Sep. 2012.
- Kota Yoshizato, Hirokazu Kameoka, Daisuke Saito, Shigeki Sagayama,
"Statistical approach to Fujisaki-model parameter estimation from speech signals and its quantitative evaluation,"
in Proc. Speech Prosody 2012,
Vol. 1, pp.175-178,
May 2012.
(PDF)
- Kazuki Ochiai, Hirokazu Kameoka, Shigeki Sagayama,
"Explicit beat structure modeling for non-negative matrix factorization-based multipitch analysis,"
in Proc. 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2012), pp. 133-136, Mar. 2012.
(PDF)
- Hiroshi Sawada, Hirokazu Kameoka, Shoko Araki, Naonori Ueda,
"Efficient algorithms for multichannel extensions of Itakura-Saito nonnegative matrix factorization,"
in Proc. 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2012), pp. 261-264, Mar. 2012.
(PDF)
- Masahiro Nakano, Yasunori Ohishi, Hirokazu Kameoka, Ryo Mukai, Kunio Kashino,
"Bayesian nonparametric music parser,"
in Proc. 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2012),
pp. 461-464, Mar. 2012.
(PDF)
- Hideyuki Tachibana, Hirokazu Kameoka, Nobutaka Ono, Shigeki Sagayama,
"Comparative evaluations of various harmonic/percussive sound separation algorithms based on anisotropic continuity of spectrogram,"
in Proc. 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2012),
pp. 465-468, Mar. 2012.
(PDF)
- Hirokazu Kameoka, Masahiro Nakano, Kazuki Ochiai, Yutaka Imoto, Kunio Kashino, Shigeki Sagayama,
"Constrained and regularized variants of non-negative matrix factorization incorporating music-specific constraints,"
in Proc. 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2012),
pp. 5365-5368, Mar. 2012.
(PDF)
- Kazuma Takeda, Hirokazu Kameoka, Hiroshi Sawada, Shoko Araki, Takeshi Yamada, Shoji Makino, Shigeki Miyabe,
"Undetermined BSS with multichannel complex NMF assuming W-disjoint orthogonality of sources,"
Accepted for publication in Proc. TENCON2011, 2011.
- Hiroshi Sawada, Hirokazu Kameoka, Shoko Araki, Naonori Ueda,
"New Formulations and Efficient Algorithms for Multichannel NMF," in
Proc. 2011 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics
(WASPAA2011), pp. 153-156, Oct. 2011.
(PDF)
- Masahiro Nakano, Jonathan Le Roux, Hirokazu Kameoka, Tomohiko Nakamura,
Nobutaka Ono, Shigeki Sagayama, "Bayesian Nonparametric Spectrogram Modeling Based on Infinite
Factorial Infinite Hidden Markov Model," in
Proc. 2011 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics
(WASPAA2011), pp. 325-328, Oct. 2011.
(PDF)
- Naoki Yasuraoka, Hirokazu Kameoka, Takuya Yoshioka, Hiroshi G. Okuno,
"I-Divergence-Based Dereverberation Method with Auxiliary Function Approach,"
In Proc. 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2011), pp. 369-372, May 2011.
(PDF)
- Jun Takagi, Yasunori Ohishi, Akisato Kimura, Masashi Sugiyama, Makoto Yamada, Hirokazu Kameoka,
"Automatic Audio Tag Classification via Semi-Supervised Canonical Density Estimation,"
In Proc. 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2011), pp. 2232-2235, May 2011.
(PDF)
- Hiroshi Sawada, Hirokazu Kameoka, Shoko Araki, Naonori Ueda,
"Formulations and Algorithms for Multichannel Complex NMF,"
In Proc. 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2011), pp. 229-232, May 2011.
(PDF)
- Masahiro Nakano, Jonathan Le Roux, Hirokazu Kameoka, Nobutaka Ono, Shigeki Sagayama,
"Infinite-State Spectrum Model for Music Signal Analysis,"
In Proc. 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2011), pp. 1972-1975, May 2011.
(PDF)
- Takuho Nakano, Akisato Kimura, Hirokazu Kameoka, Shigeki Miyabe, Shigeki Sagayama, Nobutaka Ono, Kunio Kashino, Takuya Nishimoto,
"Automatic Video Annotation via Hierarchical Topic Trajectory Model Considering Cross-Modal Correlations," In
Proc. 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2011), pp. 2380-2383, May 2011.
(PDF)
- Hirokazu Kameoka, Jonathan Le Roux, Yasunori Ohishi,
"A statistical model of speech F0 contours,"
ISCA Tutorial and Research Workshop on
Statistical And Perceptual Audition (SAPA 2010),
pp. 43-48, Sep. 2010.
(PDF)
-
Yasunori Ohishi, Hirokazu Kameoka, Daichi Mochihashi, Hidehisa Nagano, Kunio Kashino,
"Statistical modeling of F0 dynamics in singing voices based on Gaussian processes with
multiple oscillation bases," In Proc.
11th Annual Conference of the International Speech Communication Association (INTERSPEECH 2010),
pp. 2598-2601, Sep. 2010.
(PDF)
- Hirokazu Kameoka, Takuya Yoshioka, Mariko Hamamura, Jonathan Le Roux, Kunio Kashino,
"Statistical model of speech signals based on composite
autoregressive system with application to blind source separation," In Proc.
9th International Conference on Latent Variable Analysis
and Signal Separation (LVA/ICA 2010),
LNCS 6365, pp. 245-253, Sep. 2010.
(PDF)
- Jonathan Le Roux, Emmanuel Vincent, Yu Mizuno, Hirokazu Kameoka, Nobutaka Ono, Shigeki Sagayama,
"Consistent Wiener filtering: generalized time-frequency masking respecting spectrogram consistency,"
In Proc. 9th International Conference on Latent Variable Analysis
and Signal Separation (LVA/ICA 2010), LNCS 6365, pp. 89-96, Sep. 2010.
(PDF)
- Masahiro Nakano, Jonathan Le Roux, Hirokazu Kameoka, Yu Kitano, Nobutaka Ono, Shigeki Sagayama,
"Nonnegative matrix factorization with Markov-chained bases for modeling time-varying patterns in music spectrograms,"
In Proc. 9th International Conference on Latent Variable Analysis
and Signal Separation (LVA/ICA 2010), LNCS 6365, pp. 149-156, Sep. 2010.
(PDF)
- Masahiro Nakano, Hirokazu Kameoka, Jonathan Le Roux, Yu Kitano, Nobutaka Ono, Shigeki Sagayama,
"Convergence-guaranteed multiplicative algorithms for non-negative matrix factorization with beta-divergence,"
In Proc. 2010 IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2010)
(Formerly the IEEE Workshop on Neural Networks for Signal Processing), in CD-ROM, Aug. 2010.
(PDF)
- Jonathan Le Roux, Hirokazu Kameoka, Nobutaka Ono, Shigeki Sagayama,
"Fast signal reconstruction from magnitude STFT spectrogram based on spectrogram consistency,"
to appear in Proc. Digital Audio Effects 2010 (DAFx-10), pp. 397-403, Sep. 2010.
(PDF)
- Akisato Kimura, Hirokazu Kameoka,
Masashi Sugiyama, Takuho Nakano,
Eisaku Maeda,
Hitoshi Sakano,
Katsuhiko Ishiguro,
"SemiCCA: Efficient Semi-supervised Learning of Canonical Correlations,"
In Proc. 20th
International Conference on Pattern Recognition (ICPR2010),
pp. 2933-2936, Aug. 2010.
(PDF)
- Yu Kitano, Hirokazu Kameoka, Yosuke Izumi, Nobutaka Ono, Shigeki Sagayama,
"A Sparse Component Model of Source Signals and Its Application to Blind Source Separation,"
In Proc. 2010 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2010), pp. 4122-4125, Mar. 2010.
(PDF)
- Takuya Yoshioka, Hirokazu Kameoka,
Tomohiro Nakatani, and Hiroshi G. Okuno,
"Statistical Models for Speech Dereverberation,”
accepted for publication in Proceedings of the 2009 IEEE
Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2009), pp. 145-148, Oct. 2009.
(PDF)
- Tatsuya Kako, Yasunori Ohishi, Hirokazu Kameoka, Kunio Kashino and Kazuya Takeda,
"Automatic Identification for Singing Style Based on Sung Melodic Contour Characterized in Phase Plane,"
International Conference on Music Information Retrieval, (ISMIR 2009), pp. 393-397, Oct. 2009.
(PDF)
- Yasuhiro Minami, Hirokazu Kameoka,
"Switching Acausal Filters for Speech Modeling,"
2009 IEEE International Workshop on Machine Learning for Signal Processing
(Formerly the IEEE Workshop on Neural Networks for Signal Processing), in CD-ROM, Sep. 2009.
(PDF)
- Hirokazu Kameoka, Kunio Kashino,
"Composite Autoregressive System for Sparse Source-Filter Representation of Speech,"
In Proc. 2009 IEEE International Symposium on Circuits and Systems (ISCAS2009), pp. 2477-2480, May 2009.
(PDF)
- Hirokazu Kameoka, Nobutaka Ono, Kunio Kashino, Shigeki Sagayama,
"Complex NMF: A New Sparse Representation for Acoustic Signals,"
In Proc. 2009 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2009), pp. 3437-3440, Apr. 2009.
(PDF)
(Poster)
- Hirokazu Kameoka, Tomohiro Nakatani, Takuya Yoshioka,
"Robust Speech Dereverberation Based on Non-negativity and Sparse Nature of Speech Spectrograms,"
In Proc. 2008 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2009), pp. 45-48, Apr. 2009.
(PDF)
- Jonathan Le Roux, Hirokazu Kameoka, Nobutaka Ono, Alain de Cheveigné, Shigeki Sagayama,
"Computational Auditory Induction by Missing-Data Non-Negative Matrix Factorization,"
In Proc. SAPA 2008 Workshop on Statistical and Perceptual Audition
(SAPA 2008), pp. 1-6, Sep. 2008.
(PDF)
- Yasunori Ohishi, Hirokazu Kameoka, Kunio Kashino,
Kazuya Takeda,
"Parameter Estimation Method of F0 Control Model for Singing Voices,"
In Proc. Interspeech2008 International Conference on Spoken Language Processing (ICSLP2008), pp.139-142, Sep. 2008.
(PDF)
- Nobutaka Ono, Ken-ichi Miyamoto, Hirokazu Kameoka, Shigeki Sagayama,
"A Real-time Equalizer of Harmonic and Percussive Components in Music Signals,"
In Proc. Ninth International Conference on Music Information Retrieval
(ISMIR2008), pp.139-144, Sep. 2008.
- Nobutaka Ono, Ken-ichi Miyamoto,
Jonathan Le Roux, Hirokazu Kameoka, Shigeki Sagayama,
"Separation of a Monaural Audio Signal into Harmonic/Percussive Components by Complementary Diffusion
on Spectrogram," In Proc. 2008 16th European Signal Processing Conference (EUSIPCO 2008), in CD-ROM, Aug. 2008.
(PDF)
- Hirokazu Kameoka, Nobutaka Ono, Shigeki Sagayama,
"Auxiliary Function Approach to Parameter Estimation of Constrained Sinusoidal Model for Monaural Speech Separation,"
In Proc. 2008 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2008), pp. 29-32, Mar. 2008.
(PDF)
- Jonathan Le Roux, Hirokazu Kameoka, Nobutaka Ono, Shigeki Sagayama,
Alain de Cheveigné,
"Modulation Analysis of Speech through Orthogonal FIR Filterbank Optimization,"
In Proc. 2008 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2008), pp. 4189-4192, Mar. 2008.
(PDF)
- Ken-ichi Miyamoto, Hirokazu Kameoka, Takuya Nishimoto, Nobutaka Ono, Shigeki Sagayama,
"Harmonic-Temporal-Timbral Clustering (HTTC) for the Analysis of Multi-instrument Polyphonic Music Signals,"
In Proc. 2008 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2008), pp. 113-116, Mar. 2008.
(PDF)
- Jonathan Le Roux, Hirokazu Kameoka, Nobutaka Ono,
Alain de Cheveigné, Shigeki Sagayama,
"Single Channel Speech and Background Segregation through Harmonic-Temporal Clustering," In Proc. 2007
IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA2007), pp.279-282, Oct. 2007.
(PDF)
- Ken-ichi Miyamoto, Hirokazu Kameoka, Haruto Takeda, Takuya Nishimoto, Shigeki Sagayama,
"Probabilistic Approach to Automatic Music Transcription from Audio
Signals," In Proc. 2007 IEEE International Conference on
Acoustics, Speech and Signal Processing (ICASSP2007), Vol. 2, pp. 697-700, Apr. 2007.
- Jonathan Le Roux,
Hirokazu Kameoka, Nobutaka Ono,
Alain de
Cheveigné, Shigeki Sagayama, "Harmonic-Temporal Clustering of Speech
for Single and Multiple F0 Contour Estimation in Noisy
Environments," In Proc. 2007 IEEE International Conference on
Acoustics, Speech and Signal Processing (ICASSP2007), Vol. 4, pp. 1053-1056, Apr. 2007.
- Nobutaka Ono, Shoichiro Saito,
Hirokazu Kameoka, Shigeki Sagayama, "Inverse Filter
Analysis of Common Harmonic Structure on Specmurt Using Riemann's
Zeta Function," In Proc. 4th Joint meeting of ASA and ASJ
, 2006.
- Jonathan Le Roux,
Hirokazu Kameoka,
Nobutaka Ono,
Shigeki Sagayama,
"Parametric Spectrogram Modeling of Single and Concurrent Speech
with Spline Pitch Contour," In Proc. 4th Joint meeting of
ASA and ASJ , Nov. 2006.
-
Yuichiro Yonebayashi, Hirokazu Kameoka, Shigeki Sagayama,
"Automatic Determination of Piano Fingering Based on a Hidden Markov
Model," In Proc. the 20th International Joint Conference on
Artificial Intelligence (IJCAI2007), pp.2915-2921, Jan. 2007.
- Hirokazu Kameoka,
Jonathan Le Roux,
Nobutaka Ono,
Shigeki Sagayama,
"Speech Analyzer Using a Joint Estimation Model of Spectral
Envelope and Fine Structure,"
In Proc. Interspeech2006 International Conference on Spoken
Language Processing (ICSLP2006), pp. 2502-2505, Sep. 2006.
(PDF)
- Shoichiro Saito, Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama,
"Specmurt Analysis of Multi-Pitch Music Signals with Adaptive
Estimation of Common Harmonic Structure,"
In Proc. International Conference on Music Information Retrieval (ISMIR2005), pp. 84-91,
Sep. 2005.
- Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama,
"Harmonic-temporal structured clustering via deterministic annealing
EM algorithm for audio feature extraction,"
In Proc. International Conference on Music Information Retrieval (ISMIR2005), pp. 115-122, Sep. 2005.
- Shigeki Sagayama, Hirokazu Kameoka, Shoichiro Saito, Takuya
Nishimoto, "'Specmurt Anasylis' of Multi-Pitch Signals,"
In Proc. IEEE-EURASIP, International Workshop on Nonlinear Signal and
Image Processing (NSIP2005), in CD-ROM, 2005.
- Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama, "Audio Stream
Segregation of Multi-Pitch Music Signal Based on Time-Space
Clustering Using Gaussian Kernel 2-Dimensional Model,"
In Proc. 2005 IEEE International Conference on Acoustics, Speech and Signal
Processing (ICASSP2005), Vol. 3, pp. 5-8, Mar. 2005.
(PDF)
<Selected as a finalist of the Student
Paper Contest>
- Shigeki Sagayama, Keigo Takahashi, Hirokazu Kameoka, Takuya
Nishimoto, "Specmurt Anasylis: A Piano-Roll-Visualization of
Polyphonic Music Signal by Deconvolution of Log-Frequency Spectrum,"
In Proc. ISCA Tutorial and Research Workshop on Statistical and
Perceptual Audio Processing (SAPA2004), in-CD-ROM, Oct. 2004.
- Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama, "Multi-Pitch
Trajectory Estimation of Concurrent Speech Based on Harmonic GMM
and Nonlinear Kalman Filtering,"
In Proc. Interspeech2004 International Conference on Spoken Language
Processing (ICSLP2004),
Vol. 1, pp. 2433-2466, Oct. 2004.
- Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama, "Separation of
Harmonic Structures Based on Tied Gaussian Mixture Model and
Information Criterion for Concurrent Sounds,"
In Proc. 2004 IEEE International Conference on Acoustics, Speech and Signal
Processing (ICASSP2004), Vol. 4, pp. 297-300, May. 2004.
- Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama, "Multi-pitch Detection Algorithm Using Constrained Gaussian Mixture Model and Information Criterion for Simultaneous Speech,"
In Proc. Speech Prosody (SP2004), pp. 533-536, Mar. 2004.
- Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama,
"Accurate F0 Detection Algorithm for Concurrent Sounds Based on EM Algorithm and Information Criterion,"
In Proc. Special Workshop in MAUI (SWIM), in CD-ROM, Jan. 2004.
- Hirokazu Kameoka, Takuya Nishimoto, Shigeki Sagayama,
"Extraction of Multiple Fundamental Frequencies from Polyphonic Music Using Harmonic Clustering,"
In Proc. 18th International Congress on Acoustics (ICA2004), in CD-ROM,
Apr. 2004.
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