Akio Ogihara

According to our database, Akio Ogihara authored at least 20 papers between 1995 and 2023.

Collaborative distances:

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

2023

Direction Estimation of Instrumental Sound Sources Using Regression Analysis by Convolutional Neural Network.

Kaho Yamamoto, Akio Ogihara, Harumi Murata

Circuits Syst. Signal Process., November, 2023

2018

Tolerance Evaluation of Audio Watermarking Method Based on Modification of Sound Pressure Level between Channels.

Harumi Murata, Akio Ogihara, Shigetoshi Hayashi

IEICE Trans. Inf. Syst., 2018

Note Estimation by Contaminated Normal Distribution for Audio Watermarking Method Using Non-negative Matrix Factorization.

Harumi Murata, Akio Ogihara

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

2017

A Study of Audio Watermarking Method Using Non-negative Matrix Factorization for a Duet of Different Instruments.

Harumi Murata, Akio Ogihara

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

2016

A study of audio watermarking method using non-negative matrix factorization.

Harumi Murata, Akio Ogihara

Proceedings of the IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, 2016

2015

Sound Quality Evaluation for Audio Watermarking Based on Phase Shift Keying Using BCH Code.

Harumi Murata, Akio Ogihara, Masaki Uesaka

IEICE Trans. Inf. Syst., 2015

A study of audio watermarking method using nonharmonic note as watermark signal.

Harumi Murata, Akio Ogihara

Proceedings of the 15th International Symposium on Communications and Information Technologies, 2015

An Audio Watermarking Method Using Tones of Diatonic Chord.

Harumi Murata, Akio Ogihara

Proceedings of the 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing, 2015

2014

An Audio Watermarking Method Using Pitch-Transformed Sound of Original Music.

Harumi Murata, Akio Ogihara

Proceedings of the 2014 Tenth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, 2014

2013

An audio watermarking method for music having sparse representation.

Harumi Murata, Akio Ogihara, Shigetoshi Hayashi

Proceedings of the International Symposium on Intelligent Signal Processing and Communication Systems, 2013

2012

An audio watermarking method using sampled sound for polyphonic music.

Harumi Murata, Akio Ogihara, Motoi Iwata, Michifumi Yoshioka

Proceedings of the International Symposium on Communications and Information Technologies, 2012

2010

Digital Watermarking Method Warranting the Lower Limit of Image Quality of Watermarked Images.

Motoi Iwata, Tomoo Kanaya, Akira Shiozaki, Akio Ogihara

EURASIP J. Adv. Signal Process., 2010

An audio watermarking method by using automatic music transcription information.

Harumi Murata, Akio Ogihara, Motoi Iwata, Akira Shiozaki

Proceedings of the International Symposium on Information Theory and its Applications, 2010

Digital watermarking method for tamper detection and recovery of JPEG images.

Motoi Iwata, Tomoki Hori, Akira Shiozaki, Akio Ogihara

Proceedings of the International Symposium on Information Theory and its Applications, 2010

2009

Multi-Layer Audio Watermarking Based on Amplitude Modification.

Akio Ogihara, Harumi Murata, Motoi Iwata, Akira Shiozaki

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

2008

Reversible Watermarking Method for JPEG Images.

Akira Shiozaki, Motoi Iwata, Akio Ogihara

IEICE Trans. Inf. Syst., 2008

2006

Correlation-Based Video Watermarking Method Using Inter-Frame Similarity.

Motoo Yamamoto, Akira Shiozaki, Motoi Iwata, Akio Ogihara

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

2005

Discrimination Method of Synthetic Speech Using Pitch Frequency against Synthetic Speech Falsification.

Akio Ogihara, Hitoshi Unno, Akira Shiozaki

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

1999

A method of embedding robust watermarks into digital images.

Akira Shiozaki, Ken-ichi Hashida, Akio Ogihara

Syst. Comput. Jpn., 1999

1995

A study on the mechanism of the minimum searching by the chaotic neural network.

Masaya Ohta, Akio Ogihara, Shinobu Takamatsu, Kunio Fukunaga

Proceedings of International Conference on Neural Networks (ICNN'95), Perth, WA, Australia, November 27, 1995