Kazunori Kobayashi

Publication Activity (10 Years)

Years Active: 2007-2021
Publications (10 Years): 23

Top Topics

Mutual Information

Discrete Cosine

Top Venues

IEEE ACM Trans. Audio Speech Lang. Process.

Publications

Feifan Han, Kazunori Kobayashi, Safumi Suzuki, Hiroki Tanaka, Hidenari Fujikata, Masahiro Asada
Impedance Matching in High-Power Resonant-Tunneling-Diode Terahertz Oscillators Integrated with Rectangular-Cavity Resonator. IEICE Trans. Electron. (8) (2021)
Ryotaro Sato, Kenta Niwa, Kazunori Kobayashi
Ambisonic Signal Processing DNNs Guaranteeing Rotation, Scale and Time Translation Equivariance. IEEE ACM Trans. Audio Speech Lang. Process. 29 (2021)
Yuma Koizumi, Noboru Harada, Yoichi Haneda, Yusuke Hioka, Kazunori Kobayashi
End-to-End Sound Source Enhancement Using Deep Neural Network in the Modified Discrete Cosine Transform Domain. ICASSP (2018)
Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Yoichi Haneda
DNN-Based Source Enhancement to Increase Objective Sound Quality Assessment Score. IEEE ACM Trans. Audio Speech Lang. Process. 26 (10) (2018)
Yuma Koizumi, Shoichiro Saito, Suehiro Shimauchi, Kazunori Kobayashi, Noboru Harada
Distant Noise Reduction Based on Multi-delay Noise Model Using Distributed Microphone Array. EUSIPCO (2018)
Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Yoichi Haneda
DNN-based Source Enhancement to Increase Objective Sound Quality Assessment Score. CoRR (2018)
Kenta Niwa, Yuma Koizumi, Tomoko Kawase, Kazunori Kobayashi, Yusuke Hioka
Supervised source enhancement composed of nonnegative auto-encoders and complementarity subtraction. ICASSP (2017)
Tomoko Kawase, Kenta Niwa, Masakiyo Fujimoto, Kazunori Kobayashi, Shoko Araki, Tomohiro Nakatani
Integration of Spatial Cue-Based Noise Reduction and Speech Model-Based Source Restoration for Real Time Speech Enhancement. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (5) (2017)
Shoichiro Saito, Kazunori Kobayashi, Tomoko Kawase, Hitoshi Ohmuro
Noise suppressing microphone array for highly noisy environments using power spectrum density estimation in beamspace. ICCE (2017)
Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Hitoshi Ohmuro
Informative Acoustic Feature Selection to Maximize Mutual Information for Collecting Target Sources. IEEE ACM Trans. Audio Speech Lang. Process. 25 (4) (2017)
Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Yoichi Haneda
DNN-based source enhancement self-optimized by reinforcement learning using sound quality measurements. ICASSP (2017)
Kenta Niwa, Tomoko Kawase, Kazunori Kobayashi, Yusuke Hioka
PSD estimation in beamspace using property of M-matrix. IWAENC (2016)
Tomoko Kawase, Kenta Niwa, Masakiyo Fujimoto, N. Kamado, Kazunori Kobayashi, Shoko Araki, Tomohiro Nakatani
Real-time integration of statistical model-based speech enhancement with unsupervised noise PSD estimation using microphone array. ICASSP (2016)
Kenta Niwa, Yuma Koizumi, Kazunori Kobayashi, Hisashi Uematsu
Binaural sound generation corresponding to omnidirectional video view using angular region-wise source enhancement. ICASSP (2016)
Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Hitoshi Ohmuro
Integrated approach of feature extraction and sound source enhancement based on maximization of mutual information. ICASSP (2016)
Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi
Optimal Microphone Array Observation for Clear Recording of Distant Sound Sources. IEEE ACM Trans. Audio Speech Lang. Process. 24 (10) (2016)
Kenta Niwa, Yuma Koizumi, Tomoko Kawase, Kazunori Kobayashi, Yusuke Hioka
Pinpoint extraction of distant sound source based on DNN mapping from multiple beamforming outputs to prior SNR. ICASSP (2016)
Tomoko Kawase, Kenta Niwa, Kazunori Kobayashi, Yusuke Hioka
Application of neural network to source PSD estimation for wiener filter based array sound source enhancement. IWAENC (2016)
Kenta Niwa, Tatsuya Kako, Kazunori Kobayashi
Microphone array for increasing mutual information between sound sources and observation signals. ICASSP (2015)
Masahiro Fukui, Kazunori Kobayashi, Suehiro Shimauchi, Yusuke Hioka, Hitoshi Ohmuro
Hands-free audio conferencing unit with low-complexity dereverberation. ICCE (2015)
Tatsuya Kako, Kenta Niwa, Kazunori Kobayashi, Hitoshi Ohmuro
Wiener filter design by estimating sensitivities between distributed asynchronous microphones and sound sources. WASPAA (2015)
Masahiro Fukui, Kazunori Kobayashi, Suehiro Shimauchi, Yusuke Hioka, Hitoshi Ohmuro
Low-complexity dereverberation for hands-free audio conferencing unit. IEEE Trans. Consumer Electron. 61 (4) (2015)
Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Hitoshi Ohmuro
Informative acoustic feature selection on microphone array wiener filtering for collecting target source on sports ground. WASPAA (2015)
Masahiro Fukui, Suehiro Shimauchi, Kazunori Kobayashi, Yusuke Hioka, Hitoshi Ohmuro
Acoustic echo canceller software for voip hands-free application on smartphone and tablet devices. IEEE Trans. Consumer Electron. 60 (3) (2014)
Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi
Post-filter design for speech enhancement in various noisy environments. IWAENC (2014)
Masahiro Fukui, Suehiro Shimauchi, Kazunori Kobayashi, Yusuke Hioka, Hitoshi Ohmuro
Acoustic echo canceller software for VoIP hands-free application on smartphone and tablet devices. ICCE (2014)
Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi
Wave intensity estimation over broad wavelengths based on diffused sensing. ICST (2013)
Yusuke Hioka, Ken'ichi Furuya, Kazunori Kobayashi, Kenta Niwa, Yoichi Haneda
Underdetermined Sound Source Separation Using Power Spectrum Density Estimated by Combination of Directivity Gain. IEEE Trans. Speech Audio Process. 21 (6) (2013)
Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Ken'ichi Furuya, Yoichi Haneda
Evaluation of microphone array based on diffused sensing with various filter design methods. EUSIPCO (2013)
Yusuke Hioka, Ken'ichi Furuya, Kazunori Kobayashi, Sumitaka Sakauchi, Yoichi Haneda
Angular region-wise speech enhancement for hands-free speakerphone. IEEE Trans. Consumer Electron. 58 (4) (2012)
Kazumasa Kawasaki, Takashi Miyaguchi, Hiroshi Saito, Tomoyuki Kato, Kohroh Kobayashi, Hisayuki Nakagawa, Kazunori Kobayashi
Development of High Speed Clock Module and its Application to Array Model. Int. J. Autom. Technol. 6 (2) (2012)
Yusuke Hioka, Kazunori Kobayashi, Ken'ichi Furuya, Akitoshi Kataoka
Enhancement of Sound Sources Located within a Particular Area Using a Pair of Small Microphone Arrays. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2) (2008)
Yusuke Hioka, Manabu Okamoto, Kazunori Kobayashi, Yoichi Haneda, Akitoshi Kataoka
A display-mounted high-quality stereo microphone array for high-definition videophone system. IEEE Trans. Consumer Electron. 54 (2) (2008)
Kazunori Kobayashi, Yoichi Haneda, Ken'ichi Furuya, Akitoshi Kataoka
A Hands-Free Unit with Noise Reduction by Using Adaptive Beamformer. IEEE Trans. Consumer Electron. 54 (1) (2008)
Kazunori Kobayashi, Ken'ichi Furuya, Youichi Haneda, Akitoshi Kataoka
An Approach to Solve Local Minimum Problem in Sound Source and Microphone Localization. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (12) (2007)