Shoichi Koyama

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 69

Top Topics

Cubic Spline Interpolation

Sensor Placement

Tensor Factorization

Sparse Representation

Top Venues

IEEE ACM Trans. Audio Speech Lang. Process.

Publications

Yoshihide Tomita, Shoichi Koyama, Hiroshi Saruwatari
Localizing Acoustic Energy in Sound Field Synthesis by Directionally Weighted Exterior Radiation Suppression. ICASSP (2024)
Yoshihide Tomita, Shoichi Koyama, Hiroshi Saruwatari
Localizing Acoustic Energy in Sound Field Synthesis by Directionally Weighted Exterior Radiation Suppression. CoRR (2024)
Keisuke Kimura, Shoichi Koyama, Hiroshi Saruwatari
Perceptual Quality Enhancement of Sound Field Synthesis Based on Combination of Pressure and Amplitude Matching. WASPAA (2023)
Keisuke Kimura, Shoichi Koyama, Hiroshi Saruwatari
Perceptual Quality Enhancement of Sound Field Synthesis Based on Combination of Pressure and Amplitude Matching. CoRR (2023)
Takumi Abe, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Amplitude Matching for Multizone Sound Field Control. IEEE ACM Trans. Audio Speech Lang. Process. 31 (2023)
Shoichi Koyama, Keisuke Kimura, Natsuki Ueno
Weighted Pressure and Mode Matching for Sound Field Reproduction: Theoretical and Experimental Comparisons. CoRR (2023)
Juliano G. C. Ribeiro, Shoichi Koyama, Hiroshi Saruwatari
Kernel Interpolation of Acoustic Transfer Functions with Adaptive Kernel for Directed and Residual Reverberations. ICASSP (2023)
Takaaki Kojima, Kazuyuki Arikawa, Shoichi Koyama, Hiroshi Saruwatari
Multichannel Active Noise Control with Exterior Radiation Suppression Based on Riemannian Optimization. CoRR (2023)
Kazuyuki Arikawa, Shoichi Koyama, Hiroshi Saruwatari
Spatial Active Noise Control Method Based On Sound Field Interpolation From Reference Microphone Signals. CoRR (2023)
Kazuyuki Arikawa, Shoichi Koyama, Hiroshi Saruwatari
Spatial Active Noise Control Method Based on Sound Field Interpolation from Reference Microphone Signals. ICASSP (2023)
Shoichi Koyama, Masaki Nakada, Juliano G. C. Ribeiro, Hiroshi Saruwatari
Kernel Interpolation of Incident Sound Field in Region Including Scattering Objects. CoRR (2023)
Shoichi Koyama, Masaki Nakada, Juliano G. C. Ribeiro, Hiroshi Saruwatari
Kernel Interpolation of Incident Sound Field in Region Including Scattering Objects. WASPAA (2023)
Takaaki Kojima, Kazuyuki Arikawa, Shoichi Koyama, Hiroshi Saruwatari
Multichannel Active Noise Control with Exterior Radiation Suppression Based on Riemannian Optimization. EUSIPCO (2023)
Juliano G. C. Ribeiro, Shoichi Koyama, Hiroshi Saruwatari
Kernel interpolation of acoustic transfer functions with adaptive kernel for directed and residual reverberations. CoRR (2023)
Tomoya Nishida, Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Region-Restricted Sensor Placement Based on Gaussian Process for Sound Field Estimation. IEEE Trans. Signal Process. 70 (2022)
Yuki Ito, Tomohiko Nakamura, Shoichi Koyama, Hiroshi Saruwatari
Head-Related Transfer Function Interpolation From Spatially Sparse Measurements Using Autoencoder With Source Position Conditioning. IWAENC (2022)
Kazuhide Shigemi, Shoichi Koyama, Tomohiko Nakamura, Hiroshi Saruwatari
Physics-Informed Convolutional Neural Network with Bicubic Spline Interpolation for Sound Field Estimation. IWAENC (2022)
Kazuhide Shigemi, Shoichi Koyama, Tomohiko Nakamura, Hiroshi Saruwatari
Physics-informed convolutional neural network with bicubic spline interpolation for sound field estimation. CoRR (2022)
Juliano G. C. Ribeiro, Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Region-to-Region Kernel Interpolation of Acoustic Transfer Functions Constrained by Physical Properties. IEEE ACM Trans. Audio Speech Lang. Process. 30 (2022)
Jesper Brunnström, Shoichi Koyama, Marc Moonen
Variable Span Trade-Off Filter for Sound Zone Control with Kernel Interpolation Weighting. ICASSP (2022)
Shoichi Koyama, Kazuyuki Arikawa
Weighted Pressure Matching Based on Kernel Interpolation For Sound Field Reproduction. CoRR (2022)
Kazuyuki Arikawa, Shoichi Koyama, Hiroshi Saruwatari
Spatial Active Noise Control Based on Individual Kernel Interpolation of Primary and Secondary Sound Fields. ICASSP (2022)
Juliano G. C. Ribeiro, Shoichi Koyama, Hiroshi Saruwatari
Region-to-Region Kernel Interpolation of Acoustic Transfer Function with Directional Weighting. ICASSP (2022)
Yuki Ito, Tomohiko Nakamura, Shoichi Koyama, Hiroshi Saruwatari
Head-Related Transfer Function Interpolation from Spatially Sparse Measurements Using Autoencoder with Source Position Conditioning. CoRR (2022)
Kazuyuki Arikawa, Shoichi Koyama, Hiroshi Saruwatari
Spatial active noise control based on individual kernel interpolation of primary and secondary sound fields. CoRR (2022)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Convex and Differentiable Formulation for Inverse Problems in Hilbert Spaces with Nonlinear Clipping Effects. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2021)
Shoichi Koyama, Tomoya Nishida, Keisuke Kimura, Takumi Abe, Natsuki Ueno, Jesper Brunnström
MeshRIR: A Dataset of Room Impulse Responses on Meshed Grid Points For Evaluating Sound Field Analysis and Synthesis Methods. CoRR (2021)
Shoichi Koyama, Takashi Amakasu, Natsuki Ueno, Hiroshi Saruwatari
Amplitude Matching: Majorization-Minimization Algorithm for Sound Field Control Only with Amplitude Constraint. ICASSP (2021)
Yuki Mitsufuji, Norihiro Takamune, Shoichi Koyama, Hiroshi Saruwatari
Multichannel Blind Source Separation Based on Evanescent-Region-Aware Non-Negative Tensor Factorization in Spherical Harmonic Domain. IEEE ACM Trans. Audio Speech Lang. Process. 29 (2021)
Keisuke Kimura, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Mean-square-error-based secondary source placement in sound field synthesis with prior information on desired field. CoRR (2021)
Ryosuke Horiuchi, Shoichi Koyama, Juliano G. C. Ribeiro, Natsuki Ueno, Hiroshi Saruwatari
Kernel Learning for Sound Field Estimation with L1 and L2 Regularizations. WASPAA (2021)
Jesper Brunnström, Shoichi Koyama
Kernel-Interpolation-Based Filtered-X Least Mean Square for Spatial Active Noise Control In Time Domain. ICASSP (2021)
Shoichi Koyama, Tomoya Nishida, Keisuke Kimura, Takumi Abe, Natsuki Ueno, Jesper Brunnström
MESHRIR: A Dataset of Room Impulse Responses on Meshed Grid Points for Evaluating Sound Field Analysis and Synthesis Methods. WASPAA (2021)
Ryosuke Horiuchi, Shoichi Koyama, Juliano G. C. Ribeiro, Natsuki Ueno, Hiroshi Saruwatari
Kernel Learning For Sound Field Estimation With L1 and L2 Regularizations. CoRR (2021)
Shoichi Koyama, Keisuke Kimura, Natsuki Ueno
Sound Field Reproduction With Weighted Mode Matching and Infinite-Dimensional Harmonic Analysis: An Experimental Evaluation. CoRR (2021)
Keisuke Kimura, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Mean-Square-Error-Based Secondary Source Placement in Sound Field Synthesis with Prior Information on Desired Field. WASPAA (2021)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Directionally Weighted Wave Field Estimation Exploiting Prior Information on Source Direction. IEEE Trans. Signal Process. 69 (2021)
Naoto Iijima, Shoichi Koyama, Hiroshi Saruwatari
Binaural rendering from microphone array signals of arbitrary geometry. CoRR (2021)
Shoichi Koyama, Jesper Brunnström, Hayato Ito, Natsuki Ueno, Hiroshi Saruwatari
Spatial Active Noise Control Based on Kernel Interpolation of Sound Field. IEEE ACM Trans. Audio Speech Lang. Process. 29 (2021)
Yuki Mitsufuji, Stefan Uhlich, Norihiro Takamune, Daichi Kitamura, Shoichi Koyama, Hiroshi Saruwatari
Multichannel Non-Negative Matrix Factorization Using Banded Spatial Covariance Matrices in Wavenumber Domain. IEEE ACM Trans. Audio Speech Lang. Process. 28 (2020)
Kentaro Ariga, Tomoya Nishida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Mutual-Information-Based Sensor Placement for Spatial Sound Field Recording. ICASSP (2020)
Naoto Iijima, Shoichi Koyama, Hiroshi Saruwatari
Binaural Rendering From Distributed Microphone Signals Considering Loudspeaker Distance in Measurements. MMSP (2020)
Juliano G. C. Ribeiro, Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Kernel interpolation of acoustic transfer function between regions considering reciprocity. SAM (2020)
Hayato Ito, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Spatial Active Noise Control Based on Kernel Interpolation with Directional Weighting. ICASSP (2020)
Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Reciprocity gap functional in spherical harmonic domain for gridless sound field decomposition. Signal Process. 169 (2020)
Shoichi Koyama, Gilles Chardon, Laurent Daudet
Optimizing Source and Sensor Placement for Sound Field Control: An Overview. IEEE ACM Trans. Audio Speech Lang. Process. 28 (2020)
Tomoya Nishida, Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Sensor placement in arbitrarily restricted region for field estimation based on Gaussian process. EUSIPCO (2020)
Shoichi Koyama, Laurent Daudet
Sparse Representation of a Spatial Sound Field in a Reverberant Environment. IEEE J. Sel. Top. Signal Process. 13 (1) (2019)
Hayato Ito, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Feedforward Spatial Active Noise Control Based on Kernel Interpolation of Sound Field. ICASSP (2019)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Three-Dimensional Sound Field Reproduction Based on Weighted Mode-Matching Method. IEEE ACM Trans. Audio Speech Lang. Process. 27 (12) (2019)
Masahiro Nakanishi, Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Two-Dimensional Sound Field Recording With Multiple Circular Microphone Arrays Considering Multiple Scattering. WASPAA (2019)
Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Robust Gridless Sound Field Decomposition Based on Structured Reciprocity Gap Functional in Spherical Harmonic Domain. ICASSP (2019)
Shoichi Koyama, Gilles Chardon, Laurent Daudet
Joint Source and Sensor Placement for Sound Field Control Based on Empirical Interpolation Method. ICASSP (2018)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Sound Field Reproduction with Exterior Cancellation Using Analytical Weighting of Harmonic Coefficients. ICASSP (2018)
Yuhta Takida, Shoichi Koyama, Hiroshi Saruwatari
Exterior and Interior Sound Field Separation Using Convex Optimization: Comparison of Signal Models. EUSIPCO (2018)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Kernel Ridge Regression with Constraint of Helmholtz Equation for Sound Field Interpolation. IWAENC (2018)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Sound Field Recording Using Distributed Microphones Based on Harmonic Analysis of Infinite Order. IEEE Signal Process. Lett. 25 (1) (2018)
Naoki Murata, Shoichi Koyama, Norihiro Takamune, Hiroshi Saruwatari
Sparse Representation Using Multidimensional Mixed-Norm Penalty With Application to Sound Field Decomposition. IEEE Trans. Signal Process. 66 (12) (2018)
Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari
Gridless Sound Field Decomposition Based on Reciprocity Gap Functional in Spherical Harmonic Domain. SAM (2018)
Shoichi Koyama, Laurent Daudet
Comparison of reverberation models for sparse sound field decomposition. WASPAA (2017)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Listening-area-informed sound field reproduction with Gaussian prior based on circular harmonic expansion. HSCMA (2017)
Naoki Murata, Shoichi Koyama, Norihiro Takamune, Hiroshi Saruwatari
Spatio-temporal sparse sound field decomposition considering acoustic source signal characteristics. ICASSP (2017)
Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari
Listening-area-informed sound field reproduction based on circular harmonic expansion. ICASSP (2017)
Naoki Murata, Shoichi Koyama, Hirokazu Kameoka, Norihiro Takamune, Hiroshi Saruwatari
Sparse sound field decomposition with multichannel extension of complex NMF. ICASSP (2016)
Naoki Murata, Hirokazu Kameoka, Keisuke Kinoshita, Shoko Araki, Tomohiro Nakatani, Shoichi Koyama, Hiroshi Saruwatari
Reverberation-robust underdetermined source separation with non-negative tensor double deconvolution. EUSIPCO (2016)
Hiroaki Nakajima, Daichi Kitamura, Norihiro Takamune, Shoichi Koyama, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
Audio signal separation using supervised NMF with time-variant all-pole-model-based basis deformation. APSIPA (2016)
Shoichi Koyama, Hiroshi Saruwatari
Sound field decomposition in reverberant environment using sparse and low-rank signal models. ICASSP (2016)
Hiroaki Nakajima, Daichi Kitamura, Norihiro Takamune, Shoichi Koyama, Hiroshi Saruwatari, Nobutaka Ono, Yu Takahashi, Kazunobu Kondo
Music signal separation using supervised NMF with all-pole-model-based discriminative basis deformation. EUSIPCO (2016)
Yuki Mitsufuji, Shoichi Koyama, Hiroshi Saruwatari
Multichannel blind source separation based on non-negative tensor factorization in wavenumber domain. ICASSP (2016)
Yuki Murota, Daichi Kitamura, Shoichi Koyama, Hiroshi Saruwatari, Satoshi Nakamura
Statistical modeling of binaural signal and its application to binaural source separation. ICASSP (2015)
Shoichi Koyama, Atsushi Matsubayashi, Naoki Murata, Hiroshi Saruwatari
Sparse sound field decomposition using group sparse Bayesian learning. APSIPA (2015)
Naoki Murata, Shoichi Koyama, Norihiro Takamune, Hiroshi Saruwatari
Sparse sound field decomposition with parametric dictionary learning for super-resolution recording and reproduction. CAMSAP (2015)
Shoichi Koyama, Koichiro Ito, Hiroshi Saruwatari
Source-location-informed sound field recording and reproduction with spherical arrays. WASPAA (2015)
Shoichi Koyama, Naoki Murata, Hiroshi Saruwatari
Structured sparse signal models and decomposition algorithm for super-resolution in sound field recording and reproduction. ICASSP (2015)
Yoichi Haneda, Ken'ichi Furuya, Shoichi Koyama, Kenta Niwa
Close-talking spherical microphone array using sound pressure interpolation based on spherical harmonic expansion. ICASSP (2014)
Shoichi Koyama, Prakhar Srivastava, Ken'ichi Furuya, Suehiro Shimauchi, Hitoshi Ohmuro
STSP: Space-time stretched pulse for measuring spatio-temporal impulse response. IWAENC (2014)
Shoichi Koyama, Suehiro Shimauchi, Hitoshi Ohmuro
Sparse sound field representation in recording and reproduction for reducing spatial aliasing artifacts. ICASSP (2014)
Shoichi Koyama, Ken'ichi Furuya, Hisashi Uematsu, Yusuke Hiwasaki, Yoichi Haneda
Real-Time Sound Field Transmission System by Using Wave Field Reconstruction Filter and Its Evaluation. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2014)
Shoichi Koyama, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda, Yôiti Suzuki
Wave Field Reconstruction Filtering in Cylindrical Harmonic Domain for With-Height Recording and Reproduction. IEEE ACM Trans. Audio Speech Lang. Process. 22 (10) (2014)
Shoichi Koyama, Timothy Lee, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda
Improvement using circular harmonics beamforming on reverberation problem of wave field reconstruction filtering. ICASSP (2013)
Shoichi Koyama, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda
Analytical Approach to Wave Field Reconstruction Filtering in Spatio-Temporal Frequency Domain. IEEE Trans. Speech Audio Process. 21 (4) (2013)
Shoichi Koyama, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda
Map estimation of driving signals of loudspeakers for sound field reproduction from pressure measurements. WASPAA (2013)
Shoichi Koyama, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda, Yôiti Suzuki
Sound field reproduction using multiple linear arrays based on wave field reconstruction filtering in helicalwave spectrum domain. ICASSP (2013)
Shoichi Koyama, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda
Reproducing Virtual Sound Sources in Front of a Loudspeaker Array Using Inverse Wave Propagator. IEEE Trans. Speech Audio Process. 20 (6) (2012)
Satoru Emura, Shoichi Koyama, Ken'ichi Furuya, Yoichi Haneda
Posterior Residual Echo Canceling and its Complexity Reduction in the Wave Domain. IWAENC (2012)
Shoichi Koyama, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda
Design of transform filter for reproducing arbitrarily shifted sound field using phase-shift of spatio-temporal frequency. ICASSP (2012)
Shoichi Koyama, Yusuke Hiwasaki, Ken'ichi Furuya, Yoichi Haneda
Inversewave propagation for reproducing virtual sources in front of loudspeaker array. EUSIPCO (2011)
Shoichi Koyama, Ken'ichi Furuya, Yusuke Hiwasaki, Yoichi Haneda
Design of transform filter for sound field reproduction using microphone array and loudspeaker array. WASPAA (2011)
Shoichi Koyama, Risa Suzuki
Scape Synthesis: Generation of a Novel Acoustical Space Based on Auditory Perceptual Features. ICMC (2009)