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2020 – today
- 2023
[c45]Nobutaka Ito, Masashi Sugiyama:
Audio Signal Enhancement with Learning from Positive and Unlabeled Data. ICASSP 2023: 1-5- 2022
- [i5]Nobutaka Ito, Masashi Sugiyama:
Audio Signal Enhancement with Learning from Positive and Unlabelled Data. CoRR abs/2210.15143 (2022) - 2021
- [j7]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: 1950-1965 (2021) - [i4]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 abs/2101.08563 (2021) - 2020
- [j6]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: 1075-1079 (2020)
2010 – 2019
- 2019
- [c44]Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada:
A Unifying Framework for Blind Source Separation Based on A Joint Diagonalizability Constraint. EUSIPCO 2019: 1-5 - [c43]Hiroshi Sawada, Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani:
Computational Acceleration and Smart Initialization of Full-RANK Spatial Covariance Analysis. EUSIPCO 2019: 1-5 - [c42]Nobutaka Ito, Tomohiro Nakatani:
FastMNMF: Joint Diagonalization Based Accelerated Algorithms for Multichannel Nonnegative Matrix Factorization. ICASSP 2019: 371-375 - [c41]Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada:
Independent Low-Rank Matrix Analysis with Decorrelation Learning. WASPAA 2019: 288-292 - 2018
- [c40]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: 1662-1666 - [c39]Nobutaka Ito, Shoko Araki, Tomohiro Nakatani:
FastFCA: Joint Diagonalization Based Acceleration of Audio Source Separation Using a Full-Rank Spatial Covariance Model. EUSIPCO 2018: 1667-1671 - [c38]Nobutaka Ito, Tomohiro Nakatani:
Multiplicative Updates and Joint Diagonalization Based Acceleration for Under-Determined BSS Using a Full-Rank Spatial Covariance Model. GlobalSIP 2018: 231-235 - [c37]Fabian-Robert Stöter, Antoine Liutkus, Nobutaka Ito:
The 2018 Signal Separation Evaluation Campaign. LVA/ICA 2018: 293-305 - [c36]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: 51-55 - [c35]Takuya Higuchi, Keisuke Kinoshita, Nobutaka Ito, Shigeki Karita, Tomohiro Nakatani:
Frame-by-Frame Closed-Form Update for Mask-Based Adaptive MVDR Beamforming. ICASSP 2018: 531-535 - [c34]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: 546-550 - [c33]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: 71-75 - [c32]Nobutaka Ito, Tomohiro Nakatani:
Fastfca-As: Joint Diagonalization Based Acceleration of Full-Rank Spatial Covariance Analysis for Separating any Number of Sources. IWAENC 2018: 151-155 - [i3]Fabian-Robert Stöter, Antoine Liutkus, Nobutaka Ito:
The 2018 Signal Separation Evaluation Campaign. CoRR abs/1804.06267 (2018) - [i2]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 abs/1805.06572 (2018) - [i1]Nobutaka Ito, Tomohiro Nakatani:
FastFCA-AS: Joint Diagonalization Based Acceleration of Full-Rank Spatial Covariance Analysis for Separating Any Number of Sources. CoRR abs/1805.09498 (2018) - 2017
- [j5]Nobutaka Ito, Akira Ishii, Yoichi Ochiai:
Demo hour. Interactions 24(1): 8-11 (2017) - [j4]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): 780-793 (2017) - [c31]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: 1 - [c30]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: 453 - [c29]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: 1165-1169 - [c28]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: 16-20 - [c27]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: 323-332 - [c26]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: 286-290 - [c25]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: 681-685 - [p1]Marc Delcroix, Takuya Yoshioka, Nobutaka Ito, Atsunori Ogawa, Keisuke Kinoshita, Masakiyo Fujimoto, Takuya Higuchi, Shoko Araki, Tomohiro Nakatani:
Multichannel Speech Enhancement Approaches to DNN-Based Far-Field Speech Recognition. New Era for Robust Speech Recognition, Exploiting Deep Learning 2017: 21-49 - 2016
- [c24]Yuzu Saijo, Kenta Suzuki, Nobutaka Ito, Amy Koike, Yoichi Ochiai:
Human Coded Orchestra: a System for Extemporary Group Singing Performance. ACE 2016: 42:1-42:6 - [c23]Nobutaka Ito, Shoko Araki, Tomohiro Nakatani:
Complex angular central Gaussian mixture model for directional statistics in mask-based microphone array signal processing. EUSIPCO 2016: 1153-1157 - [c22]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: 465-468 - [c21]Takuya Higuchi, Nobutaka Ito, Takuya Yoshioka, Tomohiro Nakatani:
Robust MVDR beamforming using time-frequency masks for online/offline ASR in noise. ICASSP 2016: 5210-5214 - [c20]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: 1-5 - [c19]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: 9:1-9:2 - [c18]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: 26 - [c17]Yuzu Saijo, Kenta Suzuki, Nobutaka Ito, Amy Koike, Yoichi Ochiai:
Human coded orchestra: a system for extemporary group singing performance. SIGGRAPH Asia Posters 2016: 27 - [c16]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: 69-70 - 2015
- [j3]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: 60 (2015) - [j2]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): 145-157 (2015) - [c15]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: 436-443 - [c14]Nobutaka Ito, Shoko Araki, Tomohiro Nakatani:
Permutation-free clustering of relative transfer function features for blind source separation. EUSIPCO 2015: 409-413 - [c13]Nobutaka Ono, Zafar Rafii, Daichi Kitamura, Nobutaka Ito, Antoine Liutkus:
The 2015 Signal Separation Evaluation Campaign. LVA/ICA 2015: 387-395 - 2014
- [c12]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: 522-526 - [c11]Nobutaka Ito, Shoko Araki, Tomohiro Nakatani:
Probabilistic integration of diffuse noise suppression and dereverberation. ICASSP 2014: 5167-5171 - [c10]Nobutaka Ito, Shoko Araki, Takuya Yoshioka, Tomohiro Nakatani:
Relaxed disjointness based clustering for joint blind source separation and dereverberation. IWAENC 2014: 268-272 - 2013
- [c9]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: 3238-3242 - [c8]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: 1-6 - [c7]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: 1-6 - [c6]Nobutaka Ono, Zbynek Koldovský, Shigeki Miyabe, Nobutaka Ito:
The 2013 Signal Separation Evaluation Campaign. MLSP 2013: 1-6 - 2012
- [b1]Nobutaka Ito:
Robust microphone array signal processing against diffuse noise. University of Tokyo, Japan, 2012 - 2011
- [j1]Nobutaka Ito, Hikaru Shimizu, Nobutaka Ono, Shigeki Sagayama:
Diffuse Noise Suppression Using Crystal-Shaped Microphone Arrays. IEEE Trans. Speech Audio Process. 19(7): 2101-2110 (2011) - 2010
- [c5]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: 81-88 - [c4]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: 2818-2821
2000 – 2009
- 2009
- [c3]Nobutaka Ono, Hitoshi Kohno, Nobutaka Ito, Shigeki Sagayama:
Blind alignment of asynchronously recorded signals for distributed microphone array. WASPAA 2009: 161-164 - 2008
- [c2]Nobutaka Ito, Nobutaka Ono, Shigeki Sagayama:
A blind noise decorrelation approach with crystal arrays on designing post-filters for diffuse noise suppression. ICASSP 2008: 317-320
1990 – 1999
- 1990
- [c1]Nobutaka Ito:
Agricultural robots in Japan. IROS 1990: 249-253
Coauthor Index
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