Takahiro Murakami

Publication Activity (10 Years)

Years Active: 2002-2023
Publications (10 Years): 13

Top Topics

Negative Matrix Factorization

Fourier Transform

Controller Design

Top Venues

IEICE Trans. Fundam. Electron. Commun. Comput. Sci.

Publications

Hiroki Tanji, Takahiro Murakami
Deep Multiplicative Update Algorithm for Nonnegative Matrix Factorization and Its Application to Audio Signals. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106 (7) (2023)
Hiroki Tanji, Takahiro Murakami
Learning the Statistical Model of the NMF Using the Deep Multiplicative Update Algorithm with Applications. APSIPA ASC (2021)
Takahiro Murakami, Wenwu Wang
An Analytical Solution to Jacobsen Estimator for Windowed Signals. ICASSP (2020)
Yuichi Higuchi, Naoki Saijo, Takako Ishihara, Tomohiro Usui, Takahiro Murakami, Makoto Miyata, Kazuyoshi Ono, Souichiro Usui, Hiroyoshi Togo
New Wearable Heart Rate Monitor for Contact Sports and Its Potential to Change Training Load Management. EMBC (2019)
Hiroki Tanji, Takahiro Murakami, Hiroyuki Kamata
Laplace Nonnegative Matrix Factorization with Application to Semi-supervised Audio Denoising. EUSIPCO (2019)
Hiroki Tanji, Takahiro Murakami, Hiroyuki Kamata
A Generalization of Laplace Nonnegative Matrix Factorization and Its Multichannel Extension. APSIPA (2019)
Saki Ohashi, Hiroki Tanji, Takahiro Murakami
Blind System Identification for Acoustic Impulse Responses Based on Maximum Likelihood Estimation. ISPACS (2018)
Hiroki Tanji, Takahiro Murakami, Hiroyuki Kamata
Robust FIR System Identification for Super-Gaussian Noise Based on Hyperbolic Secant Distribution. ISPACS (2018)
Ryoichi Yoneguchi, Takahiro Murakami
Time-scale and pitch-scale modification by the phase vocoder without occurring the phase unwrapping problem. DSP (2017)
Soichiro Aoki, Hiroki Tanji, Takahiro Murakami
Array shape calibration using near field pilot sources with unknown distance. APSIPA (2017)
Isao Nakanishi, Itaru Ogushi, Ryutaro Nishi, Takahiro Murakami
Effect of propagation signal and path on verification performance using intra-body propagation signals. ICBEA (2017)
Takahiro Murakami, Yoshihisa Ishida
Generalized Sliding Discrete Fourier Transform. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2016)
Hiroki Tanji, Ryo Tanaka, Takahiro Murakami, Yoshihisa Ishida
FIR system identification based on a nonparametric Bayesian model using the Indian buffet process. Signal Image Video Process. 10 (6) (2016)
Takahiro Murakami, Hiroyuki Yamagishi, Yoshihisa Ishida
Minimum Length of a Signal for Fundamental Frequency Estimation and Its Application. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2015)
Ryo Tanaka, Shota Inoue, Hiroki Shibasaki, Hiromitsu Ogawa, Takahiro Murakami, Yoshihisa Ishida
An approach to model-following controller design based on a stabilized digital inverse system. J. Syst. Control. Eng. 229 (9) (2015)
Ryo Tanaka, Takehito Fujio, Hiromitsu Ogawa, Takahiro Murakami, Yoshihisa Ishida
Controller Design Approach Based on Multi-variable Sliding Mode Control. AsiaSim (2014)
Hiroki Tanji, Ryo Tanaka, Kyohei Tabata, Yoshito Iseki, Takahiro Murakami, Yoshihisa Ishida
Derivation of Update Rules for Convolutive NMF Based on Squared Euclidean Distance, KL Divergence, and IS Divergence. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2014)
Keito Kito, Takahiro Murakami
Estimation of an Impulse Response Using Kurtosis. AsiaSim (2014)
Kimikazu Kawaguchi, Hiroki Shibasaki, Ryo Tanaka, Hiromitsu Ogawa, Takahiro Murakami, Yoshihisa Ishida
IMC-PID Design Based on an Approximation of Polynomial Equations. AsiaSim (2013)
Takahiro Murakami, Yoshihisa Ishida
Sinusoidal Parameter Estimation Using Roots of an Algebraic Equation. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (7) (2011)
Takahiro Murakami, Toshihisa Tanaka, Yoshihisa Ishida
Measurement of Similarity between Latent Variables. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2009)
Takahiro Murakami, Toshihisa Tanaka, Yoshihisa Ishida
Time-Domain Blind Signal Separation of Convolutive Mixtures via Multidimensional Independent Component Analysis. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2009)
Norio Sadachika, Takahiro Murakami, Hideki Oka, Ryou Tanabe, Hans Jürgen Mattausch, Mitiko Miura-Mattausch
Compact Double-Gate Metal-Oxide-Semiconductor Field Effect Transistor Model for Device/Circuit Optimization. IEICE Trans. Electron. (8) (2008)
Naoki Koshikawa, Takahiro Murakami, Toshihisa Tanaka
Pitch Shifting of Music Based on Adaptive Order Estimation of Linear Predictor. PCM (2008)
Takahiro Murakami, Yoshihisa Ishida
Adaptive filtering for attenuating musical noise caused by spectral subtraction. INTERSPEECH (2006)
Takahiro Murakami, Tetsuya Hoya, Yoshihisa Ishida
Speech Enhancement by Spectral Subtraction Based on Subspace Decomposition. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2005)
Tetsuya Hoya, Toshihisa Tanaka, Andrzej Cichocki, Takahiro Murakami, Gen Hori, Jonathon A. Chambers
Stereophonic noise reduction using a combined sliding subspace projection and adaptive signal enhancement. IEEE Trans. Speech Audio Process. 13 (3) (2005)
Takahiro Murakami, Kiyoshi Kurihara, Yoshihisa Ishida
Directionally constrained minimization of power algorithm for speech signals. INTERSPEECH (2005)
Tomomi Watanabe, Takahiro Murakami, Munehiro Namba, Tetsuya Hoya, Yoshihisa Ishida
Transformation of spectral envelope for voice conversion based on radial basis function networks. INTERSPEECH (2002)
Takahiro Murakami, Munehiro Namba, Tetsuya Hoya, Yoshihisa Ishida
Pitch extraction of speech signals using an eigen-based subspace method. INTERSPEECH (2002)