Takahiro Murakami

According to our database, Takahiro Murakami authored at least 30 papers between 2002 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

Deep Multiplicative Update Algorithm for Nonnegative Matrix Factorization and Its Application to Audio Signals.

Hiroki Tanji, Takahiro Murakami

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., July, 2023

2021

Learning the Statistical Model of the NMF Using the Deep Multiplicative Update Algorithm with Applications.

Hiroki Tanji, Takahiro Murakami

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2021

2020

An Analytical Solution to Jacobsen Estimator for Windowed Signals.

Takahiro Murakami, Wenwu Wang

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2019

Laplace Nonnegative Matrix Factorization with Application to Semi-supervised Audio Denoising.

Hiroki Tanji, Takahiro Murakami, Hiroyuki Kamata

Proceedings of the 27th European Signal Processing Conference, 2019

New Wearable Heart Rate Monitor for Contact Sports and Its Potential to Change Training Load Management.

Yuichi Higuchi, Naoki Saijo, Takako Ishihara, Tomohiro Usui, Takahiro Murakami, Makoto Miyata, Kazuyoshi Ono, Souichiro Usui, Hiroyoshi Togo

Proceedings of the 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2019

A Generalization of Laplace Nonnegative Matrix Factorization and Its Multichannel Extension.

Hiroki Tanji, Takahiro Murakami, Hiroyuki Kamata

Proceedings of the 2019 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2019

2018

Robust FIR System Identification for Super-Gaussian Noise Based on Hyperbolic Secant Distribution.

Hiroki Tanji, Takahiro Murakami, Hiroyuki Kamata

Proceedings of the 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 2018

Blind System Identification for Acoustic Impulse Responses Based on Maximum Likelihood Estimation.

Saki Ohashi, Hiroki Tanji, Takahiro Murakami

Proceedings of the 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 2018

2017

Time-scale and pitch-scale modification by the phase vocoder without occurring the phase unwrapping problem.

Ryoichi Yoneguchi, Takahiro Murakami

Proceedings of the 22nd International Conference on Digital Signal Processing, 2017

Effect of propagation signal and path on verification performance using intra-body propagation signals.

Isao Nakanishi, Itaru Ogushi, Ryutaro Nishi, Takahiro Murakami

Proceedings of the 2017 International Conference on Biometrics Engineering and Application, 2017

Array shape calibration using near field pilot sources with unknown distance.

Soichiro Aoki, Hiroki Tanji, Takahiro Murakami

Proceedings of the 2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2017

2016

FIR system identification based on a nonparametric Bayesian model using the Indian buffet process.

Hiroki Tanji, Ryo Tanaka, Takahiro Murakami, Yoshihisa Ishida

Signal Image Video Process., 2016

Generalized Sliding Discrete Fourier Transform.

Takahiro Murakami, Yoshihisa Ishida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016

2015

An approach to model-following controller design based on a stabilized digital inverse system.

Ryo Tanaka, Shota Inoue, Hiroki Shibasaki, Hiromitsu Ogawa, Takahiro Murakami, Yoshihisa Ishida

J. Syst. Control. Eng., 2015

Minimum Length of a Signal for Fundamental Frequency Estimation and Its Application.

Takahiro Murakami, Hiroyuki Yamagishi, Yoshihisa Ishida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015

2014

Derivation of Update Rules for Convolutive NMF Based on Squared Euclidean Distance, KL Divergence, and IS Divergence.

Hiroki Tanji, Ryo Tanaka, Kyohei Tabata, Yoshito Iseki, Takahiro Murakami, Yoshihisa Ishida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

Controller Design Approach Based on Multi-variable Sliding Mode Control.

Ryo Tanaka, Takehito Fujio, Hiromitsu Ogawa, Takahiro Murakami, Yoshihisa Ishida

Proceedings of the AsiaSim 2014, 2014

Estimation of an Impulse Response Using Kurtosis.

Keito Kito, Takahiro Murakami

Proceedings of the AsiaSim 2014, 2014

2013

IMC-PID Design Based on an Approximation of Polynomial Equations.

Kimikazu Kawaguchi, Hiroki Shibasaki, Ryo Tanaka, Hiromitsu Ogawa, Takahiro Murakami, Yoshihisa Ishida

Proceedings of the AsiaSim 2013, 2013

2011

Sinusoidal Parameter Estimation Using Roots of an Algebraic Equation.

Takahiro Murakami, Yoshihisa Ishida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011

2009

Measurement of Similarity between Latent Variables.

Takahiro Murakami, Toshihisa Tanaka, Yoshihisa Ishida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009

Time-Domain Blind Signal Separation of Convolutive Mixtures via Multidimensional Independent Component Analysis.

Takahiro Murakami, Toshihisa Tanaka, Yoshihisa Ishida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009

2008

Compact Double-Gate Metal-Oxide-Semiconductor Field Effect Transistor Model for Device/Circuit Optimization.

Norio Sadachika, Takahiro Murakami, Hideki Oka, Ryou Tanabe, Hans Jürgen Mattausch, Mitiko Miura-Mattausch

IEICE Trans. Electron., 2008

Pitch Shifting of Music Based on Adaptive Order Estimation of Linear Predictor.

Naoki Koshikawa, Takahiro Murakami, Toshihisa Tanaka

Proceedings of the Advances in Multimedia Information Processing, 2008

2006

Adaptive filtering for attenuating musical noise caused by spectral subtraction.

Takahiro Murakami, Yoshihisa Ishida

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

2005

Stereophonic noise reduction using a combined sliding subspace projection and adaptive signal enhancement.

Tetsuya Hoya, Toshihisa Tanaka, Andrzej Cichocki, Takahiro Murakami, Gen Hori, Jonathon A. Chambers

IEEE Trans. Speech Audio Process., 2005

Speech Enhancement by Spectral Subtraction Based on Subspace Decomposition.

Takahiro Murakami, Tetsuya Hoya, Yoshihisa Ishida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005

Directionally constrained minimization of power algorithm for speech signals.

Takahiro Murakami, Kiyoshi Kurihara, Yoshihisa Ishida

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

2002

Transformation of spectral envelope for voice conversion based on radial basis function networks.

Tomomi Watanabe, Takahiro Murakami, Munehiro Namba, Tetsuya Hoya, Yoshihisa Ishida

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Pitch extraction of speech signals using an eigen-based subspace method.

Takahiro Murakami, Munehiro Namba, Tetsuya Hoya, Yoshihisa Ishida

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002