Nobutaka Ito

ORCID

Publication Activity (10 Years)

Years Active: 1990-2023
Publications (10 Years): 44

Top Venues

University of Tokyo, Japan (PHD)

Education History

University of Tokyo, Japan

PHD

Publications

Nobutaka Ito, Masashi Sugiyama
Audio Signal Enhancement with Learning from Positive and Unlabeled Data. ICASSP (2023)
Nobutaka Ito, Masashi Sugiyama
Audio Signal Enhancement with Learning from Positive and Unlabelled Data. CoRR (2022)
Nobutaka Ito, Rintaro Ikeshita, Hiroshi Sawada, Tomohiro Nakatani
A Joint Diagonalization Based Efficient Approach to Underdetermined Blind Audio Source Separation Using the Multichannel Wiener Filter. CoRR (2021)
Nobutaka Ito, Rintaro Ikeshita, Hiroshi Sawada, Tomohiro Nakatani
A Joint Diagonalization Based Efficient Approach to Underdetermined Blind Audio Source Separation Using the Multichannel Wiener Filter. IEEE ACM Trans. Audio Speech Lang. Process. 29 (2021)
Nobutaka Ito, Simon J. Godsill
A Multi-Target Track-Before-Detect Particle Filter Using Superpositional Data in Non-Gaussian Noise. IEEE Signal Process. Lett. 27 (2020)
Nobutaka Ito, Tomohiro Nakatani
FastMNMF: Joint Diagonalization Based Accelerated Algorithms for Multichannel Nonnegative Matrix Factorization. ICASSP (2019)
Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada
Independent Low-Rank Matrix Analysis with Decorrelation Learning. WASPAA (2019)
Hiroshi Sawada, Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani
Computational Acceleration and Smart Initialization of Full-RANK Spatial Covariance Analysis. EUSIPCO (2019)
Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada
A Unifying Framework for Blind Source Separation Based on A Joint Diagonalizability Constraint. EUSIPCO (2019)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
FastFCA: Joint Diagonalization Based Acceleration of Audio Source Separation Using a Full-Rank Spatial Covariance Model. EUSIPCO (2018)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
FastFCA: A Joint Diagonalization Based Fast Algorithm for Audio Source Separation Using A Full-Rank Spatial Covariance Model. CoRR (2018)
Fabian-Robert Stöter, Antoine Liutkus, Nobutaka Ito
The 2018 Signal Separation Evaluation Campaign. CoRR (2018)
Nobutaka Ito, Christopher Schymura, Shoko Araki, Tomohiro Nakatani
Noisy cGMM: Complex Gaussian Mixture Model with Non-Sparse Noise Model for Joint Source Separation and Denoising. EUSIPCO (2018)
Nobutaka Ito, Takashi Makino, Shoko Araki, Tomohiro Nakatani
Maximum-Likelihood Online Speaker Diarization in Noisy Meetings Based on Categorical Mixture Model and Probabilistic Spatial Dictionary. ICASSP (2018)
Nobutaka Ito, Tomohiro Nakatani
Fastfca-As: Joint Diagonalization Based Acceleration of Full-Rank Spatial Covariance Analysis for Separating any Number of Sources. IWAENC (2018)
Takuya Higuchi, Keisuke Kinoshita, Nobutaka Ito, Shigeki Karita, Tomohiro Nakatani
Frame-by-Frame Closed-Form Update for Mask-Based Adaptive MVDR Beamforming. ICASSP (2018)
Fabian-Robert Stöter, Antoine Liutkus, Nobutaka Ito
The 2018 Signal Separation Evaluation Campaign. LVA/ICA (2018)
Juan Azcarreta, Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Permutation-Free Cgmm: Complex Gaussian Mixture Model with Inverse Wishart Mixture Model Based Spatial Prior for Permutation-Free Source Separation and Source Counting. ICASSP (2018)
Nobutaka Ito, Tomohiro Nakatani
Multiplicative Updates and Joint Diagonalization Based Acceleration for Under-Determined BSS Using a Full-Rank Spatial Covariance Model. GlobalSIP (2018)
Nobutaka Ito, Tomohiro Nakatani
FastFCA-AS: Joint Diagonalization Based Acceleration of Full-Rank Spatial Covariance Analysis for Separating Any Number of Sources. CoRR (2018)
Yutaro Matsui, Tomohiro Nakatani, Marc Delcroix, Keisuke Kinoshita, Nobutaka Ito, Shoko Araki, Shoji Makino
Online Integration of DNN-Based and Spatial Clustering-Based Mask Estimation for Robust MVDR Beamforming. IWAENC (2018)
Takuya Higuchi, Nobutaka Ito, Shoko Araki, Takuya Yoshioka, Marc Delcroix, Tomohiro Nakatani
Online MVDR Beamformer Based on Complex Gaussian Mixture Model With Spatial Prior for Noise Robust ASR. IEEE ACM Trans. Audio Speech Lang. Process. 25 (4) (2017)
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
Gushed Light Field: Video Showcase of Aerosol-Based Fog Display. CHI Extended Abstracts (2017)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Data-driven and physical model-based designs of probabilistic spatial dictionary for online meeting diarization and adaptive beamforming. EUSIPCO (2017)
Shoko Araki, Nobutaka Ito, Marc Delcroix, Atsunori Ogawa, Keisuke Kinoshita, Takuya Higuchi, Takuya Yoshioka, Dung T. Tran, Shigeki Karita, Tomohiro Nakatani
Online meeting recognition in noisy environments with time-frequency mask based MVDR beamforming. HSCMA (2017)
Antoine Liutkus, Fabian-Robert Stöter, Zafar Rafii, Daichi Kitamura, Bertrand Rivet, Nobutaka Ito, Nobutaka Ono, Julie Fontecave
The 2016 Signal Separation Evaluation Campaign. LVA/ICA (2017)
Nobutaka Ito, Akira Ishii, Yoichi Ochiai
Demo hour. Interactions 24 (1) (2017)
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
Design method for gushed light field: aerosol-based aerial and instant display. AH (2017)
Tomohiro Nakatani, Nobutaka Ito, Takuya Higuchi, Shoko Araki, Keisuke Kinoshita
Integrating DNN-based and spatial clustering-based mask estimation for robust MVDR beamforming. ICASSP (2017)
Nobutaka Ito, Shoko Araki, Marc Delcroix, Tomohiro Nakatani
Probabilistic spatial dictionary based online adaptive beamforming for meeting recognition in noisy and reverberant environments. ICASSP (2017)
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
Gushed light field: design method for aerosol-based fog display. SIGGRAPH ASIA Emerging Technologies (2016)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Modeling audio directional statistics using a complex bingham mixture model for blind source extraction from diffuse noise. ICASSP (2016)
Yuzu Saijo, Kenta Suzuki, Nobutaka Ito, Amy Koike, Yoichi Ochiai
Human Coded Orchestra: a System for Extemporary Group Singing Performance. ACE (2016)
Mahmoud Fakhry, Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Modeling audio directional statistics using a probabilistic spatial dictionary for speaker diarization in real meetings. IWAENC (2016)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Complex angular central Gaussian mixture model for directional statistics in mask-based microphone array signal processing. EUSIPCO (2016)
Takuya Higuchi, Nobutaka Ito, Takuya Yoshioka, Tomohiro Nakatani
Robust MVDR beamforming using time-frequency masks for online/offline ASR in noise. ICASSP (2016)
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
Gushed light field: design method for aerosol-based fog display. SIGGRAPH Asia Posters (2016)
Ippei Suzuki, Shuntarou Yoshimitsu, Keisuke Kawahara, Nobutaka Ito, Atsushi Shinoda, Akira Ishii, Takatoshi Yoshida, Yoichi Ochiai
Gushed Diffusers: Fast-moving, Floating, and Lightweight Midair Display. UIST (Adjunct Volume) (2016)
Yuzu Saijo, Kenta Suzuki, Nobutaka Ito, Amy Koike, Yoichi Ochiai
Human coded orchestra: a system for extemporary group singing performance. SIGGRAPH Asia Posters (2016)
Nobutaka Ito, Emmanuel Vincent, Tomohiro Nakatani, Nobutaka Ono, Shoko Araki, Shigeki Sagayama
Blind Suppression of Nonstationary Diffuse Acoustic Noise Based on Spatial Covariance Matrix Decomposition. J. Signal Process. Syst. 79 (2) (2015)
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
The NTT CHiME-3 system: Advances in speech enhancement and recognition for mobile multi-microphone devices. ASRU (2015)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Permutation-free clustering of relative transfer function features for blind source separation. EUSIPCO (2015)
Nobutaka Ono, Zafar Rafii, Daichi Kitamura, Nobutaka Ito, Antoine Liutkus
The 2015 Signal Separation Evaluation Campaign. LVA/ICA (2015)
Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani
Strategies for distant speech recognitionin reverberant environments. EURASIP J. Adv. Signal Process. 2015 (2015)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Probabilistic integration of diffuse noise suppression and dereverberation. ICASSP (2014)
Marc Delcroix, Takuya Yoshioka, Atsunori Ogawa, Yotaro Kubo, Masakiyo Fujimoto, Nobutaka Ito, Keisuke Kinoshita, Miquel Espi, Shoko Araki, Takaaki Hori, Tomohiro Nakatani
Defeating reverberation: Advanced dereverberation and recognition techniques for hands-free speech recognition. GlobalSIP (2014)
Nobutaka Ito, Shoko Araki, Takuya Yoshioka, Tomohiro Nakatani
Relaxed disjointness based clustering for joint blind source separation and dereverberation. IWAENC (2014)
Nobutaka Ito, Emmanuel Vincent, Nobutaka Ono, Shigeki Sagayama
General algorithms for estimating spectrogram and transfer functions of target signal for blind suppression of diffuse noise. MLSP (2013)
Nobutaka Ono, Zbynek Koldovský, Shigeki Miyabe, Nobutaka Ito
The 2013 Signal Separation Evaluation Campaign. MLSP (2013)
Ingrid Jafari, Nobutaka Ito, Mehrez Souden, Shoko Araki, Tomohiro Nakatani
Source number estimation based on clustering of speech activity sequences for microphone array processing. MLSP (2013)
Nobutaka Ito, Shoko Araki, Tomohiro Nakatani
Permutation-free convolutive blind source separation via full-band clustering based on frequency-independent source presence priors. ICASSP (2013)
Nobutaka Ito, Hikaru Shimizu, Nobutaka Ono, Shigeki Sagayama
Diffuse Noise Suppression Using Crystal-Shaped Microphone Arrays. IEEE Trans. Speech Audio Process. 19 (7) (2011)
Nobutaka Ito, Nobutaka Ono, Emmanuel Vincent, Shigeki Sagayama
Designing the Wiener post-filter for diffuse noise suppression using imaginary parts of inter-channel cross-spectra. ICASSP (2010)
Nobutaka Ito, Emmanuel Vincent, Nobutaka Ono, Rémi Gribonval, Shigeki Sagayama
Crystal-MUSIC: Accurate Localization of Multiple Sources in Diffuse Noise Environments Using Crystal-Shaped Microphone Arrays. LVA/ICA (2010)
Nobutaka Ono, Hitoshi Kohno, Nobutaka Ito, Shigeki Sagayama
Blind alignment of asynchronously recorded signals for distributed microphone array. WASPAA (2009)
Nobutaka Ito, Nobutaka Ono, Shigeki Sagayama
A blind noise decorrelation approach with crystal arrays on designing post-filters for diffuse noise suppression. ICASSP (2008)
Nobutaka Ito
Agricultural robots in Japan. IROS (1990)

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Publication Activity (10 Years)

Top Topics

Top Venues

Nobutaka Ito