小山翔一 (Shoichi Koyama) - 論文

Mutual-Information-Based Sensor Placement for Spatial Sound Field Recording

Kentaro Ariga, Tomoya Nishida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 2020-May 166 - 170 2020年5月査読有り

Spatial Active Noise Control Based on Kernel Interpolation with Directional Weighting

Hayato Ito, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 2020-May 8404 - 8408 2020年5月査読有り招待有り

Reciprocity gap functional in spherical harmonic domain for gridless sound field decomposition

Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari

Signal Processing 169(107383) 9 pages 2020年4月査読有り

Optimizing Source and Sensor Placement for Sound Field Control: An Overview

Shoichi Koyama, Gilles Chardon, Laurent Daudet

IEEE/ACM Transactions on Audio Speech and Language Processing 28 696 - 714 2020年査読有り

Sparsity-based sound field reconstruction

Shoichi Koyama

Acoustical Science and Technology 41(1) 269 - 275 2020年査読有り招待有り

Multichannel non-negative matrix factorization using banded spatial covariance matrices in wavenumber domain

Yuki Mitsufuji, Stefan Uhlich, Norihiro Takamune, Daichi Kitamura, Shoichi Koyama, Hiroshi Saruwatari

IEEE/ACM Transactions on Audio Speech and Language Processing 28(1) 49 - 60 2020年査読有り

Three-Dimensional Sound Field Reproduction Based on Weighted Mode-Matching Method

Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari

IEEE/ACM Transactions on Audio Speech and Language Processing 27(12) 1852 - 1867 2019年12月査読有り

Two-dimensional sound field recording with multiple circular microphone arrays considering multiple scattering

Masahiro Nakanishi, Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari

IEEE Workshop on Applications of Signal Processing to Audio and Acoustics 2019-October 368 - 372 2019年10月査読有り

Three-Dimensional Spatial Active Noise Control Based on Kernel-Induced Sound Field Interpolation

Ito, Hayato, Koyama, Shoichi, Ueno, Natsuki, Saruwatari, Hiroshi

Proceedings of the 23rd International Congress on Acoustics (ICA) 1101 - 1108 2019年9月査読有り

Robust Gridless Sound Field Decomposition Based on Structured Reciprocity Gap Functional in Spherical Harmonic Domain

Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 2019-May 581 - 585 2019年5月査読有り

Feedforward Spatial Active Noise Control Based on Kernel Interpolation of Sound Field

Hayato Ito, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 2019-May 511 - 515 2019年5月査読有り

Sparse Representation of a Spatial Sound Field in a Reverberant Environment

Shoichi Koyama, Laurent Daudet

IEEE Journal on Selected Topics in Signal Processing 13(1) 172 - 184 2019年3月査読有り

Exterior and interior sound field separation using convex optimization: Comparison of signal models

Yuhta Takida, Shoichi Koyama, Hiroshi Saruwatari

European Signal Processing Conference 2018-September 2549 - 2553 2018年11月29日査読有り

Kernel ridge regression with constraint of helmholtz equation for sound field interpolation

Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari

16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018 - Proceedings 436 - 440 2018年11月2日査読有り

Joint Source and Sensor Placement for Sound Field Control Based on Empirical Interpolation Method

Shoichi Koyama, Gilles Chardon, Laurent Daudet

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 2018-April 501 - 505 2018年9月10日査読有り

Sound Field Reproduction with Exterior Cancellation Using Analytical Weighting of Harmonic Coefficients

Natsuki Ueno, Shoichi Koyama, Hiroshi Saruwatari

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings 2018-April 466 - 470 2018年9月10日査読有り

Gridless sound field decomposition based on reciprocity gap functional in spherical harmonic domain

Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari

Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop 2018-July 627 - 631 2018年8月27日査読有り

Sparse Representation Using Multidimensional Mixed-Norm Penalty with Application to Sound Field Decomposition

Naoki Murata, Shoichi Koyama, Norihiro Takamune, Hiroshi Saruwatari

IEEE Transactions on Signal Processing 66(12) 3327 - 3338 2018年6月15日査読有り

Sparse sound field decomposition for super-resolution in recording and reproduction

Shoichi Koyama, Naoki Murata, Hiroshi Saruwatari

Journal of the Acoustical Society of America 143(6) 3780 - 3795 2018年6月1日査読有り

Comparison of interpolation methods for gridless sound field decomposition based on reciprocity gap functional

Yuhta Takida, Shoichi Koyama, Natsuki Ueno, Hiroshi Saruwatari

Proceedings of the 26th International Congress on Sound and Vibration, ICSV 2019 2018年査読有り招待有り

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