Nobutaka Ito

61 papers A 1C 2Misc 14Journal 13Unranked 29
YearRankTypeTitle / Venue / Authors
2025 Misc conf
30+ Years of Source Separation Research: Achievements and Future Challenges.
ICASSP
Shoko Araki, Nobutaka Ito, Reinhold Haeb-Umbach, Gordon Wichern, Zhong-Qiu Wang, Yuki Mitsufuji
2025 J jnl
30+ Years of Source Separation Research: Achievements and Future Challenges.
CoRR
Shoko Araki, Nobutaka Ito, Reinhold Haeb-Umbach, Gordon Wichern, Zhong-Qiu Wang, Yuki Mitsufuji
2023 Misc conf
Audio Signal Enhancement with Learning from Positive and Unlabeled Data.
ICASSP
Nobutaka Ito, Masashi Sugiyama
2022 J jnl
Audio Signal Enhancement with Learning from Positive and Unlabelled Data.
CoRR
Nobutaka Ito, Masashi Sugiyama
2021 J jnl
A Joint Diagonalization Based Efficient Approach to Underdetermined Blind Audio Source Separation Using the Multichannel Wiener Filter.
CoRR
Nobutaka Ito, Rintaro Ikeshita, Hiroshi Sawada, Tomohiro Nakatani
2021 J jnl
A Joint Diagonalization Based Efficient Approach to Underdetermined Blind Audio Source Separation Using the Multichannel Wiener Filter.
IEEE ACM Trans. Audio Speech Lang. Process.
Nobutaka Ito, Rintaro Ikeshita, Hiroshi Sawada, Tomohiro Nakatani
2020 J jnl
A Multi-Target Track-Before-Detect Particle Filter Using Superpositional Data in Non-Gaussian Noise.
IEEE Signal Process. Lett.
Nobutaka Ito, Simon J. Godsill
2019 — conf
A Unifying Framework for Blind Source Separation Based on A Joint Diagonalizability Constraint.
EUSIPCO
Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada
2019 — conf
Computational Acceleration and Smart Initialization of Full-RANK Spatial Covariance Analysis.
EUSIPCO
Hiroshi Sawada, Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani
2019 Misc conf
FastMNMF: Joint Diagonalization Based Accelerated Algorithms for Multichannel Nonnegative Matrix Factorization.
ICASSP
Nobutaka Ito, Tomohiro Nakatani
2019 — conf
Independent Low-Rank Matrix Analysis with Decorrelation Learning.
WASPAA
Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada
2018 J jnl
FastFCA-AS: Joint Diagonalization Based Acceleration of Full-Rank Spatial Covariance Analysis for Separating Any Number of Sources.
CoRR
Nobutaka Ito, Tomohiro Nakatani
2018 J jnl
FastFCA: A Joint Diagonalization Based Fast Algorithm for Audio Source Separation Using A Full-Rank Spatial Covariance Model.
CoRR
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2018 — conf
FastFCA: Joint Diagonalization Based Acceleration of Audio Source Separation Using a Full-Rank Spatial Covariance Model.
EUSIPCO
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2018 — conf
Fastfca-As: Joint Diagonalization Based Acceleration of Full-Rank Spatial Covariance Analysis for Separating any Number of Sources.
IWAENC
Nobutaka Ito, Tomohiro Nakatani
2018 Misc conf
Frame-by-Frame Closed-Form Update for Mask-Based Adaptive MVDR Beamforming.
ICASSP
Takuya Higuchi, Keisuke Kinoshita, Nobutaka Ito, Shigeki Karita, Tomohiro Nakatani
2018 Misc conf
Maximum-Likelihood Online Speaker Diarization in Noisy Meetings Based on Categorical Mixture Model and Probabilistic Spatial Dictionary.
ICASSP
Nobutaka Ito, Takashi Makino, Shoko Araki, Tomohiro Nakatani
2018 — conf
Multiplicative Updates and Joint Diagonalization Based Acceleration for Under-Determined BSS Using a Full-Rank Spatial Covariance Model.
GlobalSIP
Nobutaka Ito, Tomohiro Nakatani
2018 — conf
Noisy cGMM: Complex Gaussian Mixture Model with Non-Sparse Noise Model for Joint Source Separation and Denoising.
EUSIPCO
Nobutaka Ito, Christopher Schymura, Shoko Araki, Tomohiro Nakatani
2018 — conf
Online Integration of DNN-Based and Spatial Clustering-Based Mask Estimation for Robust MVDR Beamforming.
IWAENC
Yutaro Matsui, Tomohiro Nakatani, Marc Delcroix, Keisuke Kinoshita, Nobutaka Ito, Shoko Araki, Shoji Makino
2018 Misc conf
Permutation-Free Cgmm: Complex Gaussian Mixture Model with Inverse Wishart Mixture Model Based Spatial Prior for Permutation-Free Source Separation and Source Counting.
ICASSP
Juan Azcarreta, Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2018 — conf
The 2018 Signal Separation Evaluation Campaign.
LVA/ICA
Fabian-Robert Stöter, Antoine Liutkus, Nobutaka Ito
2018 J jnl
The 2018 Signal Separation Evaluation Campaign.
CoRR
Fabian-Robert Stöter, Antoine Liutkus, Nobutaka Ito
2017 — conf
Data-driven and physical model-based designs of probabilistic spatial dictionary for online meeting diarization and adaptive beamforming.
EUSIPCO
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2017 J jnl
Demo hour.
Interactions
Nobutaka Ito, Akira Ishii, Yoichi Ochiai
2017 — conf
Design method for gushed light field: aerosol-based aerial and instant display.
AH
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
2017 — conf
Gushed Light Field: Video Showcase of Aerosol-Based Fog Display.
CHI Extended Abstracts
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
2017 Misc conf
Integrating DNN-based and spatial clustering-based mask estimation for robust MVDR beamforming.
ICASSP
Tomohiro Nakatani, Nobutaka Ito, Takuya Higuchi, Shoko Araki, Keisuke Kinoshita
2017 — ch.
Multichannel Speech Enhancement Approaches to DNN-Based Far-Field Speech Recognition.
New Era for Robust Speech Recognition, Exploiting Deep Learning
Marc Delcroix, Takuya Yoshioka, Nobutaka Ito, Atsunori Ogawa, Keisuke Kinoshita, Masakiyo Fujimoto, Takuya Higuchi, Shoko Araki, Tomohiro Nakatani
2017 J jnl
Online MVDR Beamformer Based on Complex Gaussian Mixture Model With Spatial Prior for Noise Robust ASR.
IEEE ACM Trans. Audio Speech Lang. Process.
Takuya Higuchi, Nobutaka Ito, Shoko Araki, Takuya Yoshioka, Marc Delcroix, Tomohiro Nakatani
2017 — conf
Online meeting recognition in noisy environments with time-frequency mask based MVDR beamforming.
HSCMA
Shoko Araki, Nobutaka Ito, Marc Delcroix, Atsunori Ogawa, Keisuke Kinoshita, Takuya Higuchi, Takuya Yoshioka, Dung T. Tran, Shigeki Karita, Tomohiro Nakatani
2017 Misc conf
Probabilistic spatial dictionary based online adaptive beamforming for meeting recognition in noisy and reverberant environments.
ICASSP
Nobutaka Ito, Shoko Araki, Marc Delcroix, Tomohiro Nakatani
2017 — conf
The 2016 Signal Separation Evaluation Campaign.
LVA/ICA
Antoine Liutkus, Fabian-Robert Stöter, Zafar Rafii, Daichi Kitamura, Bertrand Rivet, Nobutaka Ito, Nobutaka Ono, Julie Fontecave
2016 — conf
Complex angular central Gaussian mixture model for directional statistics in mask-based microphone array signal processing.
EUSIPCO
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2016 — conf
Gushed Diffusers: Fast-moving, Floating, and Lightweight Midair Display.
UIST (Adjunct Volume)
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
2016 — conf
Gushed light field: design method for aerosol-based fog display.
SIGGRAPH Asia Posters
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
2016 — conf
Gushed light field: design method for aerosol-based fog display.
SIGGRAPH ASIA Emerging Technologies
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
2016 C conf
Human Coded Orchestra: a System for Extemporary Group Singing Performance.
ACE
Yuzu Saijo, Kenta Suzuki, Nobutaka Ito, Amy Koike, Yoichi Ochiai
2016 — conf
Human coded orchestra: a system for extemporary group singing performance.
SIGGRAPH Asia Posters
Yuzu Saijo, Kenta Suzuki, Nobutaka Ito, Amy Koike, Yoichi Ochiai
2016 Misc conf
Modeling audio directional statistics using a complex bingham mixture model for blind source extraction from diffuse noise.
ICASSP
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2016 — conf
Modeling audio directional statistics using a probabilistic spatial dictionary for speaker diarization in real meetings.
IWAENC
Mahmoud Fakhry, Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2016 Misc conf
Robust MVDR beamforming using time-frequency masks for online/offline ASR in noise.
ICASSP
Takuya Higuchi, Nobutaka Ito, Takuya Yoshioka, Tomohiro Nakatani
2015 J jnl
Blind Suppression of Nonstationary Diffuse Acoustic Noise Based on Spatial Covariance Matrix Decomposition.
J. Signal Process. Syst.
Nobutaka Ito, Emmanuel Vincent, Tomohiro Nakatani, Nobutaka Ono, Shoko Araki, Shigeki Sagayama
2015 — conf
Permutation-free clustering of relative transfer function features for blind source separation.
EUSIPCO
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2015 J jnl
Strategies for distant speech recognitionin reverberant environments.
EURASIP J. Adv. Signal Process.
Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani
2015 — conf
The 2015 Signal Separation Evaluation Campaign.
LVA/ICA
Nobutaka Ono, Zafar Rafii, Daichi Kitamura, Nobutaka Ito, Antoine Liutkus
2015 C conf
The NTT CHiME-3 system: Advances in speech enhancement and recognition for mobile multi-microphone devices.
ASRU
Takuya Yoshioka, Nobutaka Ito, Marc Delcroix, Atsunori Ogawa, Keisuke Kinoshita, Masakiyo Fujimoto, Chengzhu Yu, Wojciech J. Fabian, Miquel Espi, Takuya Higuchi, Shoko Araki, Tomohiro Nakatani
2014 — conf
Defeating reverberation: Advanced dereverberation and recognition techniques for hands-free speech recognition.
GlobalSIP
Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani
2014 Misc conf
Probabilistic integration of diffuse noise suppression and dereverberation.
ICASSP
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2014 — conf
Relaxed disjointness based clustering for joint blind source separation and dereverberation.
IWAENC
Nobutaka Ito, Shoko Araki, Takuya Yoshioka, Tomohiro Nakatani
2013 — conf
General algorithms for estimating spectrogram and transfer functions of target signal for blind suppression of diffuse noise.
MLSP
Nobutaka Ito, Emmanuel Vincent, Nobutaka Ono, Shigeki Sagayama
2013 Misc conf
Permutation-free convolutive blind source separation via full-band clustering based on frequency-independent source presence priors.
ICASSP
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
2013 — conf
Source number estimation based on clustering of speech activity sequences for microphone array processing.
MLSP
Ingrid Jafari, Nobutaka Ito, Mehrez Souden, Shoko Araki, Tomohiro Nakatani
2013 — conf
The 2013 Signal Separation Evaluation Campaign.
MLSP
Nobutaka Ono, Zbynek Koldovský, Shigeki Miyabe, Nobutaka Ito
2012 — —
Robust microphone array signal processing against diffuse noise.
Nobutaka Ito
2011 J jnl
Diffuse Noise Suppression Using Crystal-Shaped Microphone Arrays.
IEEE Trans. Speech Audio Process.
Nobutaka Ito, Hikaru Shimizu, Nobutaka Ono, Shigeki Sagayama
2010 — conf
Crystal-MUSIC: Accurate Localization of Multiple Sources in Diffuse Noise Environments Using Crystal-Shaped Microphone Arrays.
LVA/ICA
Nobutaka Ito, Emmanuel Vincent, Nobutaka Ono, Rémi Gribonval, Shigeki Sagayama
2010 Misc conf
Designing the Wiener post-filter for diffuse noise suppression using imaginary parts of inter-channel cross-spectra.
ICASSP
Nobutaka Ito, Nobutaka Ono, Emmanuel Vincent, Shigeki Sagayama
2009 — conf
Blind alignment of asynchronously recorded signals for distributed microphone array.
WASPAA
Nobutaka Ono, Hitoshi Kohno, Nobutaka Ito, Shigeki Sagayama
2008 Misc conf
A blind noise decorrelation approach with crystal arrays on designing post-filters for diffuse noise suppression.
ICASSP
Nobutaka Ito, Nobutaka Ono, Shigeki Sagayama
1990 A conf
Agricultural robots in Japan.
IROS
Nobutaka Ito