Ken'ichi Furuya

Publication Activity (10 Years)

Years Active: 1997-2023
Publications (10 Years): 30

Top Topics

Negative Matrix Factorization

Weighted Averaging

Source Separation

Top Venues

Publications

Keisuke Nishijima, Ken'ichi Furuya
Improvement of Vascular Stenosis Detection by Screening Uncertain Data. ICCE-Taiwan (2023)
Ichizo Furusho, Keisuke Nishijima, Ken'ichi Furuya
Spatial Interpolation of Room Impulse Responses Using Information on Early Reflection Directions. CISIS (2023)
Shogo Sasao, Ken'ichi Furuya
Acceleration of Sound Source Separation by Time Direction Division-Based Deep Neural Network. GCCE (2023)
Satoshi Yoshida, Ken'ichi Furuya, Hideyuki Mizuno
Introducing Speaker Vectors for Child Speech Synthesis in Neural Vocoders. CISIS (2022)
Keisuke Nishijima, Ken'ichi Furuya
Detection of Vascular Stenosis using Average of Differences between Multiple Positions in Shunt Sound. LifeTech (2022)
Satoshi Yoshida, Ken'ichi Furuya, Hideyuki Mizuno
Quality Improvement of Children's Speech by Speaker Vector in General Purpose Vocoder. GCCE (2022)
Satoshi Yoshida, Shingo Uenohara, Keisuke Nishijima, Ken'ichi Furuya
Voice Quality Change Due to the Amount of Training Data for Multi- and Target-Speaker WaveNet Vocoders. CISIS (2021)
Takahiro Ushijima, Yuuki Tachioka, Shingo Uenohara, Ken'ichi Furuya
Sparse Independent Vector Analysis Based on Mel Filter. GCCE (2020)
Tsuyoshi Yamamoto, Shingo Uenohara, Keisuke Nishijima, Ken'ichi Furuya
Sound Source Separation Based on Multichannel Non-negative Matrix Factorization with Weighted Averaging. CISIS (2020)
Keisuke Nishijima, Daisuke Higashi, Ken'ichi Furuya
A Method of Data Augmentation for Shunt Murmur Angiostenosis Detection. CISIS (2020)
Fumiya Noda, Keisuke Nishijima, Ken'ichi Furuya
Hyperparameter Tuning of the Shunt-murmur Discrimination Algorithm Using Bayesian optimization. APSIPA (2020)
Takahiro Ushijima, Taiki Izumi, Takanobu Uramoto, Shingo Uenohara, Ken'ichi Furuya
Initialization for Multichannel Nonnegative Matrix Factorization Using Nonnegative Independent Component Analysis. GCCE (2019)
Taiki Izumi, Yuuki Tachioka, Shingo Uenohara, Ken'ichi Furuya
Automatic Determination of the Optimum Number of Updates in Synchronized Joint Diagonalization. CISIS (2019)
Fumiya Noda, Daisuke Higashi, Keisuke Nishijima, Ken'ichi Furuya
Classification of Arteriovenous Fistula Stenosis Using Shunt Murmur Analysis and Random Forest. CISIS (2019)
Taiki Izumi, Shingo Uenohara, Ken'ichi Furuya, Yuuki Tachioka
Activation Driven Synchronized Joint Diagonalization for Underdetermined Sound Source Separation. APSIPA (2019)
Keisuke Nishijima, Ken'ichi Furuya
Snoring sound classification using multiclass classifier under actual environments. APSIPA (2019)
Masashi Yoshino, Ken'ichi Furuya
Effects of Equivalent Sources Arrangement on Spatial Interpolation of Impulse Responses. CISIS (2019)
Taiki Izumi, Ryo Aihara, Toshiyuki Hanazawa, Yohei Okato, Takanobu Uramoto, Shingo Uenohara, Ken'ichi Furuya
Reducing Computational Complexity of Multichannel Nonnegative Matrix Factorization Using Initial Value Setting for Speech Recognition. CISIS (2018)
Keisuke Nishijima, Shingo Uenohara, Ken'ichi Furuya
Evaluating Classification Methods in Snore Activity Detection. CISIS (2018)
Daisuke Higashi, Keisuke Nishijima, Ken'ichi Furuya, Keiko Tanaka, Satoko Shin
Classification of Shunt Murmurs for Diagnosis of Arteriovenous Fistula Stenosis. APSIPA (2018)
Taiki Izumi, Takanobu Uramoto, Shingo Uenohara, Ken'ichi Furuya, Ryo Aihara, Toshiyuki Hanazawa, Yohei Okato
Multichannel NMF with Reduced Computational Complexity for Speech Recognition. APSIPA (2018)
Daisuke Higashi, Keiko Tanaka, Satoko Shin, Keisuke Nishijima, Ken'ichi Furuya
Classification of Arteriovenous Fistula Stenosis Using Shunt Murmurs Analysis and Support Vector Machine. CISIS (2018)
Yuuki Tachioka, Tomohiro Narita, Iori Miura, Takanobu Uramoto, Natsuki Monta, Shingo Uenohara, Ken'ichi Furuya, Shinji Watanabe, Jonathan Le Roux
Coupled Initialization of Multi-Channel Non-Negative Matrix Factorization Based on Spatial and Spectral Information. INTERSPEECH (2017)
Takanobu Uramoto, Yuuki Tachioka, Tomohiro Narita, Iori Miura, Shingo Uenohara, Ken'ichi Furuya
Sequential initialization of multichannel nonnegative matrix factorization for sound source separation. GCCE (2017)
Suehiro Shimauchi, Shinya Kudo, Yuma Koizumi, Ken'ichi Furuya
On relationships between amplitude and phase of short-time Fourier transform. ICASSP (2017)
Keisuke Nishijima, Shingo Uenohara, Ken'ichi Furuya
A Study on the Optimum Number of Training Data in Snore Activity Detection Using SVM. CISIS (2016)
Shinya Kudo, Keisuke Nishijima, Shingo Uenohara, Ken'ichi Furuya
Parameters of Noise Suppression Based on Wavelet Transform for Phonocardiographic Signals. CISIS (2016)
Shoma Kuroda, Shingo Uenohara, Keisuke Nishijima, Ken'ichi Furuya
Evaluation of parallel measurement methods for multichannel impulse responses. GCCE (2016)
Fuminori Yoshiyama, Shingo Uenohara, Keisuke Nishijima, Yusuke Hioka, Ken'ichi Furuya
Log-likelihood method to select initial values of multichannel non-negative matrix factorization. ICCE-TW (2015)
Keisuke Nishijima, Shingo Uenohara, Ken'ichi Furuya
Snore activity detection using smartphone sensors. ICCE-TW (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, 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)
Kenta Niwa, Yusuke Hioka, Ken'ichi Furuya, Yoichi Haneda
Diffused Sensing for Sharp Directive Beamforming. IEEE Trans. Speech Audio Process. 21 (11) (2013)
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)
Kenta Niwa, Yusuke Hioka, Sumitaka Sakauchi, Ken'ichi Furuya, Yoichi Haneda
An Estimation Method of Sound Source Orientation Using Eigenspace Variation of Spatial Correlation Matrix. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (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)
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)
Kenta Niwa, Sumitaka Sakauchi, Ken'ichi Furuya, Manabu Okamoto, Yoichi Haneda
Diffused sensing for sharp directivity microphone array. ICASSP (2012)
Kenta Niwa, Sumitaka Sakauchi, Ken'ichi Furuya, Manabu Okamoto, Yoichi Haneda
Superdirective beamforming using microphone array and single reflector. ICCE (2012)
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)
Kenta Niwa, Yusuke Hioka, Sumitaka Sakauchi, Ken'ichi Furuya, Yoichi Haneda
Telescopic microphone array using reflector for segregating target source from noises in same direction. ICASSP (2012)
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)
Hiroaki Itou, Ken'ichi Furuya, Yoichi Haneda
Localized sound reproduction using circular loudspeaker array based on acoustic evanescent wave. ICASSP (2012)
Yusuke Hioka, Ken'ichi Furuya, Kenta Niwa, Yoichi Haneda
Estimation of Direct-to-Reverberation Energy Ratio Based On Isotropic and Homogeneous Propagation Model. IWAENC (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)
Yoichi Haneda, Ken'ichi Furuya, Hiroaki Itou
Design of multipole loudspeaker array based on spherical harmonic expansion. ICASSP (2011)
Yusuke Hioka, Ken'ichi Furuya, Youichi Haneda, Akitoshi Kataoka
Improving Power Spectra Estimation in 2-Dimensional Areas Using Number of Active Sound Sources. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2011)
Yusuke Hioka, Kenta Niwa, Sumitaka Sakauchi, Ken'ichi Furuya, Youichi Haneda
Estimating Direct-to-Reverberant Energy Ratio Using D/R Spatial Correlation Matrix Model. IEEE ACM Trans. Audio Speech Lang. Process. 19 (8) (2011)
Shoichi Koyama, Yusuke Hiwasaki, Ken'ichi Furuya, Yoichi Haneda
Inversewave propagation for reproducing virtual sources in front of loudspeaker array. EUSIPCO (2011)
Hiroaki Itou, Ken'ichi Furuya, Yoichi Haneda
Evanescentwave reproduction using linear array of loudspeakers. WASPAA (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)
Kenta Niwa, Yusuke Hioka, Sumitaka Sakauchi, Ken'ichi Furuya, Youichi Haneda
Estimation of sound source orientation using eigenspace of spatial correlation matrix. ICASSP (2010)
Yusuke Hioka, Kenta Niwa, Sumitaka Sakauchi, Ken'ichi Furuya, Youichi Haneda
Estimating direct-to-reverberant energy ratio based on spatial correlation model segregating direct sound and reverberation. ICASSP (2010)
Yusuke Hioka, Ken'ichi Furuya, Youichi Haneda, Akitoshi Kataoka
Speech enhancement in a 2-dimensional area based on power spectrum estimation of multiple areas with investigation of existence of active sources. INTERSPEECH (2009)
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)
Ken'ichi Furuya, Akitoshi Kataoka, Youichi Haneda
Noise robust speech dereverberation using constrained inverse filter. INTERSPEECH (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)
Ken'ichi Furuya, Akitoshi Kataoka
Robust Speech Dereverberation Using Multichannel Blind Deconvolution With Spectral Subtraction. IEEE Trans. Speech Audio Process. 15 (5) (2007)
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)
Ken'ichi Furuya, Sumitaka Sakauchi, Akitoshi Kataoka
Speech Dereverberation by Combining Mint-Based Blind Deconvolution and Modified Spectral Subtraction. ICASSP (1) (2006)
Mariko Aoki, Ken'ichi Furuya
Real-time source separation based on sound localization in a reverberant environment. NNSP (2002)
Franck Giron, Yasuhiro Minami, Masashi Tanaka, Ken'ichi Furuya
Compensation of speaker directivity in speech recognition using HMM composition. ICASSP (1998)
Ken'ichi Furuya, Yutaka Kaneda
Two-channel blind deconvolution for non-minimum phase impulse responses. ICASSP (1997)