Ryouichi Nishimura

According to our database, Ryouichi Nishimura authored at least 31 papers between 2002 and 2024.

Collaborative distances:

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

2024

Foreword.

Ryouichi Nishimura

IEICE Trans. Inf. Syst., January, 2024

2023

A Cause of Momentary Level Shifts Appearing in Broadcast Satellite Signals.

Ryouichi Nishimura, Byeongpyo Jeong, Hajime Susukita, Takashi Takahashi, Kenichi Takizawa

IEICE Trans. Commun., August, 2023

Simultaneous Estimation of Direction of Arrival and Sound Speed Using a Non-Uniform Sensor Array.

Ryouichi Nishimura, Kenichi Takizawa

Proceedings of the IEEE International Conference on Acoustics, 2023

2020

ML and EM Estimation of Sampling Intervals of Sensor Devices.

Ryouichi Nishimura, Yôiti Suzuki

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2018

Speech Privacy for Sound Surveillance Using Super-Resolution Based on Maximum Likelihood and Bayesian Linear Regression.

Ryouichi Nishimura, Seigo Enomoto, Hiroaki Kato

IEICE Trans. Inf. Syst., 2018

Source and Direction of Arrival Estimation Based on Maximum Likelihood Combined with GMM and Eigenanalysis.

Ryouichi Nishimura, Yôiti Suzuki

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

2017

Method for Updating Microphone Configuration in Audio Super-Resolution.

Ryouichi Nishimura, Shuichi Sakamoto, Yoshifumi Chisaki, Zhenglie Cui

J. Inf. Hiding Multim. Signal Process., 2017

A Wind Noise Detection Algorithm for Monitoring Infrasound Using Smartphone as a Sensor Device.

Ryouichi Nishimura, Shuichi Sakamoto, Yôiti Suzuki

Proceedings of the Advances in Intelligent Information Hiding and Multimedia Signal Processing, 2017

2014

Visualization of acoustic pressure and velocity patterns with phase information in the pinna cavities at normal modes.

Parham Mokhtari, Hironori Takemoto, Ryouichi Nishimura, Hiroaki Kato

Proceedings of the IEEE International Conference on Acoustics, 2014

2013

Application of Three-Dimensional Audio to Copyrighted Multimedia Contents.

Ryouichi Nishimura, Seigo Enomoto, Parham Mokhtari, Hironori Takemoto

Proceedings of the Ninth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, 2013

2012

Audio Watermarking Using Spatial Masking and Ambisonics.

Ryouichi Nishimura

IEEE Trans. Speech Audio Process., 2012

2011

An Attempt to Calibrate Headphones for Reproduction of Sound Pressure at the Eardrum.

Ryouichi Nishimura, Parham Mokhtari, Hironori Takemoto, Hiroaki Kato

IEEE Trans. Speech Audio Process., 2011

Median Plane Mislocalization of Virtual Sound Presented through Headphones.

Ryouichi Nishimura, Hiroaki Kato, Parham Mokhtari, Hironori Takemoto

Proceedings of the Seventh International Conference on Intelligent Information Hiding and Multimedia Signal Processing, 2011

Pinna sensitivity patterns reveal reflecting and diffracting surfaces that generate the first spectral notch in the front median plane.

Parham Mokhtari, Hironori Takemoto, Ryouichi Nishimura, Hiroaki Kato

Proceedings of the IEEE International Conference on Acoustics, 2011

2010

Optimum Loss Factor for a Perfectly Matched Layer in Finite-Difference Time-Domain Acoustic Simulation.

Parham Mokhtari, Hironori Takemoto, Ryouichi Nishimura, Hiroaki Kato

IEEE Trans. Speech Audio Process., 2010

Reinforcement of VoIP Security with Multipath Routing and Secret Sharing Scheme.

Ryouichi Nishimura, Shun'ichiro Abe, Norihiro Fujita, Yôiti Suzuki

J. Inf. Hiding Multim. Signal Process., 2010

On the human ability to auditorily perceive human speaker's facing angle.

Hiroaki Kato, Hironori Takemoto, Ryouichi Nishimura, Parham Mokhtari

Proceedings of the 4th International Universal Communication Symposium, 2010

Audio Information Hiding Based on Spatial Masking.

Ryouichi Nishimura

Proceedings of the Sixth International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2010), 2010

2009

Headphone calibration for 3D-audio listening.

Ryouichi Nishimura, Parham Mokhtari, Hironori Takemoto, Hiroaki Kato

Proceedings of the 3rd International Universal Communication Symposium, 2009

Information Hiding into Interaural Phase Differences for Stereo Audio Signals.

Ryouichi Nishimura

Proceedings of the Fifth International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2009), 2009

Interpolation of head-related transfer functions by spatial linear prediction.

Ryouichi Nishimura, Hiroaki Kato, Naomi Inoue

Proceedings of the IEEE International Conference on Acoustics, 2009

2008

Computer Simulation of HRTFs for Personalization of 3D Audio.

Parham Mokhtari, Hironori Takemoto, Ryouichi Nishimura, Hiroaki Kato

Proceedings of the ISUC 2008, 2008

2007

A Portable Acoustic Caption Decoder Using IH Techniques for Enhancing Lives of the People Who Are Deaf or Hard-of-Hearing - System Configuration and Robustness for Airborne Sound -.

Tetsuya Munekata, Toshimitsu Yamaguchi, Hiroki Handa, Ryouichi Nishimura, Yôiti Suzuki

Proceedings of the 3rd International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2007), 2007

2006

Audio Watermark Enhanced by LDPC Coding for Air Transmission.

Yôiti Suzuki, Ryouichi Nishimura, Hao Tao

Proceedings of the Second International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2006), 2006

2005

Multiple watermarks for stereo audio signals using phase-modulation techniques.

Akira Takahashi, Ryouichi Nishimura, Yôiti Suzuki

IEEE Trans. Signal Process., 2005

Time-spread echo method for digital audio watermarking.

Byeong-Seob Ko, Ryouichi Nishimura, Yôiti Suzuki

IEEE Trans. Multim., 2005

Audio CoFIP (Contents Fingerprinting) Robust Against Collusion Attack.

Kotaro Sonoda, Ryouichi Nishimura, Yôiti Suzuki

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2005

Audio Secret Sharing for 1-Bit Audio.

Ryouichi Nishimura, Norihiro Fujita, Yôiti Suzuki

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2005

2004

Log-scaling watermark detection in digital audio watermarking.

Byeong-Seob Ko, Ryouichi Nishimura, Yôiti Suzuki

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2002

A new adaptive binaural microphone array system using a weighted least squares algorithm.

Ryouichi Nishimura, Yôiti Suzuki, Futoshi Asano

Proceedings of the IEEE International Conference on Acoustics, 2002

Time-spread echo method for digital audio watermarking using PN sequences.

Byeong-Seob Ko, Ryouichi Nishimura, Yôiti Suzuki

Proceedings of the IEEE International Conference on Acoustics, 2002