Rintaro Ikeshita

63 papers A 2C 1Misc 14Journal 29Unranked 17
YearRankTypeTitle / Venue / Authors
2026 J jnl
Microphone array geometry-independent multi-talker distant ASR: NTT system for DASR task of the CHiME-8 challenge.
Comput. Speech Lang.
Naoyuki Kamo, Naohiro Tawara, Atsushi Ando, Takatomo Kano, Hiroshi Sato, Rintaro Ikeshita, Takafumi Moriya, Shota Horiguchi, Kohei Matsuura, Atsunori Ogawa, Alexis Plaquet, Takanori Ashihara, Tsubasa Ochiai, Masato Mimura, Marc Delcroix, Tomohiro Nakatani, Taichi Asami, Shoko Araki
2025 J jnl
Reference Microphone Selection for Guided Source Separation based on the Normalized L-p Norm.
CoRR
Anselm Lohmann, Tomohiro Nakatani, Rintaro Ikeshita, Marc Delcroix, Shoko Araki, Simon Doclo
2024 — conf
Accurate Delayed Source Model for Multi-Frame Full-Rank Spatial Covariance Analysis.
IWAENC
Shinya Furunaga, Hiroshi Sawada, Rintaro Ikeshita, Tomohiro Nakatani, Shoji Makino
2024 J jnl
Blind and Spatially-Regularized Online Joint Optimization of Source Separation, Dereverberation, and Noise Reduction.
IEEE ACM Trans. Audio Speech Lang. Process.
Tetsuya Ueda, Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Shoko Araki, Shoji Makino
2024 J jnl
DOA-informed switching independent vector extraction and beamforming for speech enhancement in underdetermined situations.
EURASIP J. Audio Speech Music. Process.
Tetsuya Ueda, Tomohiro Nakatani, Rintaro Ikeshita, Shoko Araki, Shoji Makino
2024 J jnl
Geometrically-Regularized Fast Independent Vector Extraction by Pure Majorization-Minimization.
IEEE Trans. Signal Process.
Rintaro Ikeshita, Tomohiro Nakatani
2024 Misc conf
How Does End-To-End Speech Recognition Training Impact Speech Enhancement Artifacts?
ICASSP
Kazuma Iwamoto, Tsubasa Ochiai, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri
2024 Misc conf
Neural Network-Based Virtual Microphone Estimation with Virtual Microphone and Beamformer-Level Multi-Task Loss.
ICASSP
Hanako Segawa, Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani, Rintaro Ikeshita, Shoko Araki, Takeshi Yamada, Shoji Makino
2024 J jnl
Rethinking Processing Distortions: Disentangling the Impact of Speech Enhancement Errors on Speech Recognition Performance.
CoRR
Tsubasa Ochiai, Kazuma Iwamoto, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri
2024 J jnl
Rethinking Processing Distortions: Disentangling the Impact of Speech Enhancement Errors on Speech Recognition Performance.
IEEE ACM Trans. Audio Speech Lang. Process.
Tsubasa Ochiai, Kazuma Iwamoto, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri
2023 Misc conf
Fast Online Source Steering Algorithm for Tracking Single Moving Source Using Online Independent Vector Analysis.
ICASSP
Taishi Nakashima, Rintaro Ikeshita, Nobutaka Ono, Shoko Araki, Tomohiro Nakatani
2023 J jnl
Multi-Frame Full-Rank Spatial Covariance Analysis for Underdetermined Blind Source Separation and Dereverberation.
IEEE ACM Trans. Audio Speech Lang. Process.
Hiroshi Sawada, Rintaro Ikeshita, Keisuke Kinoshita, Tomohiro Nakatani
2023 — conf
NoisyILRMA: Diffuse-Noise-Aware Independent Low-Rank Matrix Analysis for Fast Blind Source Extraction.
EUSIPCO
Koki Nishida, Norihiro Takamune, Rintaro Ikeshita, Daichi Kitamura, Hiroshi Saruwatari, Tomohiro Nakatani
2023 J jnl
NoisyILRMA: Diffuse-Noise-Aware Independent Low-Rank Matrix Analysis for Fast Blind Source Extraction.
CoRR
Koki Nishida, Norihiro Takamune, Rintaro Ikeshita, Daichi Kitamura, Hiroshi Saruwatari, Tomohiro Nakatani
2023 — conf
Spatially-Regularized Switching Independent Vector Analysis.
APSIPA ASC
Tetsuya Ueda, Tomohiro Nakatani, Rintaro Ikeshita, Shoko Araki, Shoji Makino
2022 J jnl
How Bad Are Artifacts?: Analyzing the Impact of Speech Enhancement Errors on ASR.
CoRR
Kazuma Iwamoto, Tsubasa Ochiai, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri
2022 A conf
How bad are artifacts?: Analyzing the impact of speech enhancement errors on ASR.
INTERSPEECH
Kazuma Iwamoto, Tsubasa Ochiai, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri
2022 — conf
ISS2: An Extension of Iterative Source Steering Algorithm for Majorization-Minimization-Based Independent Vector Analysis.
EUSIPCO
Rintaro Ikeshita, Tomohiro Nakatani
2022 Misc conf
Importance of Switch Optimization Criterion in Switching WPE Dereverberation.
ICASSP
Naoyuki Kamo, Rintaro Ikeshita, Keisuke Kinoshita, Tomohiro Nakatani
2022 Misc conf
Multi-Frame Full-Rank Spatial Covariance Analysis for Underdetermined BSS in Reverberant Environments.
ICASSP
Hiroshi Sawada, Rintaro Ikeshita, Keisuke Kinoshita, Tomohiro Nakatani
2022 J jnl
Switching Independent Vector Analysis and its Extension to Blind and Spatially Guided Convolutional Beamforming Algorithms.
IEEE ACM Trans. Audio Speech Lang. Process.
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Naoyuki Kamo, Shoko Araki
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
2021 J jnl
Blind Signal Dereverberation Based on Mixture of Weighted Prediction Error Models.
IEEE Signal Process. Lett.
Rintaro Ikeshita, Naoyuki Kamo, Tomohiro Nakatani
2021 Misc conf
Blind and Neural Network-Guided Convolutional Beamformer for Joint Denoising, Dereverberation, and Source Separation.
ICASSP
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Shoko Araki
2021 J jnl
Blind and neural network-guided convolutional beamformer for joint denoising, dereverberation, and source separation.
CoRR
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Shoko Araki
2021 J jnl
Block Coordinate Descent Algorithms for Auxiliary-Function-Based Independent Vector Extraction.
IEEE Trans. Signal Process.
Rintaro Ikeshita, Tomohiro Nakatani, Shoko Araki
2021 — conf
Independent Deeply Learned Tensor Analysis for Determined Audio Source Separation.
EUSIPCO
Naoki Narisawa, Rintaro Ikeshita, Norihiro Takamune, Daichi Kitamura, Tomohiko Nakamura, Hiroshi Saruwatari, Tomohiro Nakatani
2021 J jnl
Independent Deeply Learned Tensor Analysis for Determined Audio Source Separation.
CoRR
Naoki Narisawa, Rintaro Ikeshita, Norihiro Takamune, Daichi Kitamura, Tomohiko Nakamura, Hiroshi Saruwatari, Tomohiro Nakatani
2021 J jnl
Independent Vector Extraction for Fast Joint Blind Source Separation and Dereverberation.
IEEE Signal Process. Lett.
Rintaro Ikeshita, Tomohiro Nakatani
2021 J jnl
Independent Vector Extraction for Joint Blind Source Separation and Dereverberation.
CoRR
Rintaro Ikeshita, Tomohiro Nakatani
2021 Misc conf
Low Latency Online Blind Source Separation Based on Joint Optimization with Blind Dereverberation.
ICASSP
Tetsuya Ueda, Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Shoko Araki, Shoji Makino
2021 — conf
Low Latency Online Source Separation and Noise Reduction Based on Joint Optimization with Dereverberation.
EUSIPCO
Tetsuya Ueda, Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Shoko Araki, Shoji Makino
2021 Misc conf
Neural Network-Based Virtual Microphone Estimator.
ICASSP
Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Shoko Araki
2021 J jnl
Neural Network-based Virtual Microphone Estimator.
CoRR
Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Shoko Araki
2021 J jnl
Online Speech Dereverberation Using Mixture of Multichannel Linear Prediction Models.
IEEE Signal Process. Lett.
Rintaro Ikeshita, Keisuke Kinoshita, Naoyuki Kamo, Tomohiro Nakatani
2021 — conf
Switching Convolutional Beamformer.
EUSIPCO
Tomohiro Nakatani, Rintaro Ikeshita, Naoyuki Kamo, Keisuke Kinoshita, Shoko Araki, Hiroshi Sawada
2021 J jnl
Switching Independent Vector Analysis and Its Extension to Blind and Spatially Guided Convolutional Beamforming Algorithm.
CoRR
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Naoyuki Kamo, Shoko Araki
2020 Misc conf
Beam-TasNet: Time-domain Audio Separation Network Meets Frequency-domain Beamformer.
ICASSP
Tsubasa Ochiai, Marc Delcroix, Rintaro Ikeshita, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki
2020 A conf
Computationally Efficient and Versatile Framework for Joint Optimization of Blind Speech Separation and Dereverberation.
INTERSPEECH
Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Hiroshi Sawada, Shoko Araki
2020 Misc conf
Convergence-Guaranteed Independent Positive Semidefinite Tensor Analysis Based on Student's T Distribution.
ICASSP
Tatsuki Kondo, Kanta Fukushige, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Rintaro Ikeshita, Tomohiro Nakatani
2020 J jnl
Convergence-guaranteed Independent Positive Semidefinite Tensor Analysis Based on Student's t Distribution.
CoRR
Tatsuki Kondo, Kanta Fukushige, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Rintaro Ikeshita, Tomohiro Nakatani
2020 Misc conf
DNN-supported Mask-based Convolutional Beamforming for Simultaneous Denoising, Dereverberation, and Source Separation.
ICASSP
Tomohiro Nakatani, Riki Takahashi, Tsubasa Ochiai, Keisuke Kinoshita, Rintaro Ikeshita, Marc Delcroix, Shoko Araki
2020 — conf
Experimental Analysis of EM and MU Algorithms for Optimizing Full-rank Spatial Covariance Model.
EUSIPCO
Hiroshi Sawada, Rintaro Ikeshita, Tomohiro Nakatani
2020 J jnl
Jointly Optimal Denoising, Dereverberation, and Source Separation.
IEEE ACM Trans. Audio Speech Lang. Process.
Tomohiro Nakatani, Christoph Böddeker, Keisuke Kinoshita, Rintaro Ikeshita, Marc Delcroix, Reinhold Haeb-Umbach
2020 J jnl
Jointly optimal denoising, dereverberation, and source separation.
CoRR
Tomohiro Nakatani, Christoph Böddeker, Keisuke Kinoshita, Rintaro Ikeshita, Marc Delcroix, Reinhold Haeb-Umbach
2020 Misc conf
Overdetermined Independent Vector Analysis.
ICASSP
Rintaro Ikeshita, Tomohiro Nakatani, Shoko Araki
2020 J jnl
Overdetermined independent vector analysis.
CoRR
Rintaro Ikeshita, Tomohiro Nakatani, Shoko Araki
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 Misc conf
Acoustic Modeling for Distant Multi-talker Speech Recognition with Single- and Multi-channel Branches.
ICASSP
Naoyuki Kanda, Yusuke Fujita, Shota Horiguchi, Rintaro Ikeshita, Kenji Nagamatsu, Shinji Watanabe
2019 — conf
Computational Acceleration and Smart Initialization of Full-RANK Spatial Covariance Analysis.
EUSIPCO
Hiroshi Sawada, Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani
2019 J jnl
Efficient Corpus Creation Method for NLU Using Interview with Probing Questions.
J. Adv. Comput. Intell. Intell. Informatics
Kazuaki Shima, Takeshi Homma, Masataka Motohashi, Rintaro Ikeshita, Hiroaki Kokubo, Yasunari Obuchi, Jinhua She
2019 — conf
Independent Low-Rank Matrix Analysis with Decorrelation Learning.
WASPAA
Rintaro Ikeshita, Nobutaka Ito, Tomohiro Nakatani, Hiroshi Sawada
2019 — conf
Simultaneous Denoising, Dereverberation, and Source Separation Using a Unified Convolutional Beamformer.
WASPAA
Tomohiro Nakatani, Keisuke Kinoshita, Rintaro Ikeshita, Hiroshi Sawada, Shoko Araki
2018 J jnl
Count Matroids of Group-Labeled Graphs.
Comb.
Rintaro Ikeshita, Shin-ichi Tanigawa
2018 — conf
Fast Multichannel Nonnegative Matrix Factorization with Constraints on Active Source Candidates.
IWAENC
Rintaro Ikeshita, Yohei Kawaguchi, Kenji Nagamatsu
2018 J jnl
In-Vehicle Voice Interface with Improved Utterance Classification Accuracy Using Off-the-Shelf Cloud Speech Recognizer.
IEICE Trans. Inf. Syst.
Takeshi Homma, Yasunari Obuchi, Kazuaki Shima, Rintaro Ikeshita, Hiroaki Kokubo, Takuya Matsumoto
2018 Misc conf
Independent Low-Rank Matrix Analysis Based on Multivariate Complex Exponential Power Distribution.
ICASSP
Rintaro Ikeshita, Yohei Kawaguchi
2018 — conf
Independent Positive Semidefinite Tensor Analysis in Blind Source Separation.
EUSIPCO
Rintaro Ikeshita
2017 — conf
Independent vector analysis with frequency range division and prior switching.
EUSIPCO
Rintaro Ikeshita, Yohei Kawaguchi, Masahito Togami, Yusuke Fujita, Kenji Nagamatsu
2017 — conf
Local Gaussian model with source-set constraints in audio source separation.
MLSP
Rintaro Ikeshita, Masahito Togami, Yohei Kawaguchi, Yusuke Fujita, Kenji Nagamatsu
2017 — conf
Sub-Nyquist non-uniform sampling for low-cost sound monitoring.
APSIPA
Yohei Kawaguchi, Sandra Ramaswami, Ryoichi Takashima, Takashi Endo, Rintaro Ikeshita
2015 C conf
Unified ASR system using LGM-based source separation, noise-robust feature extraction, and word hypothesis selection.
ASRU
Yusuke Fujita, Ryoichi Takashima, Takeshi Homma, Rintaro Ikeshita, Yohei Kawaguchi, Takashi Sumiyoshi, Takashi Endo, Masahito Togami