Akio Ogihara - researchr alias

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Viewing Publication 1 - 20 from 20

2023

Direction Estimation of Instrumental Sound Sources Using Regression Analysis by Convolutional Neural NetworkKaho Yamamoto, Akio Ogihara, Harumi Murata. cssp, 42(11):7004-7021, November 2023. [doi]

2018

Note Estimation by Contaminated Normal Distribution for Audio Watermarking Method Using Non-negative Matrix FactorizationHarumi Murata, Akio Ogihara. ispacs 2018: 469-474 [doi]

Tolerance Evaluation of Audio Watermarking Method Based on Modification of Sound Pressure Level between ChannelsHarumi Murata, Akio Ogihara, Shigetoshi Hayashi. ieicet, 101-D(1):68-71, 2018. [doi]

2017

A Study of Audio Watermarking Method Using Non-negative Matrix Factorization for a Duet of Different InstrumentsHarumi Murata, Akio Ogihara. iih-msp 2018: 137-144 [doi]

2016

A study of audio watermarking method using non-negative matrix factorizationHarumi Murata, Akio Ogihara. bmsb 2016: 1-4 [doi]

2015

A study of audio watermarking method using nonharmonic note as watermark signalHarumi Murata, Akio Ogihara. iscit 2015: 117-120 [doi]

An Audio Watermarking Method Using Tones of Diatonic ChordHarumi Murata, Akio Ogihara. iih-msp 2015: 156-159 [doi]

Sound Quality Evaluation for Audio Watermarking Based on Phase Shift Keying Using BCH CodeHarumi Murata, Akio Ogihara, Masaki Uesaka. ieicet, 98-D(1):89-94, 2015. [doi]

2014

An Audio Watermarking Method Using Pitch-Transformed Sound of Original MusicHarumi Murata, Akio Ogihara. iih-msp 2014: 268-271 [doi]

2013

An audio watermarking method for music having sparse representationHarumi Murata, Akio Ogihara, Shigetoshi Hayashi. ispacs 2013: 51-54 [doi]

2012

An audio watermarking method using sampled sound for polyphonic musicHarumi Murata, Akio Ogihara, Motoi Iwata, Michifumi Yoshioka. iscit 2012: 99-104 [doi]

2010

2009

Multi-Layer Audio Watermarking Based on Amplitude ModificationAkio Ogihara, Harumi Murata, Motoi Iwata, Akira Shiozaki. iih-msp 2009: 68-71 [doi]

2008

Reversible Watermarking Method for JPEG ImagesAkira Shiozaki, Motoi Iwata, Akio Ogihara. ieicet, 91-D(7):2068-2071, 2008. [doi]

2006

Correlation-Based Video Watermarking Method Using Inter-Frame SimilarityMotoo Yamamoto, Akira Shiozaki, Motoi Iwata, Akio Ogihara. ieicet, 89-A(1):186-193, 2006. [doi]

2005

Discrimination Method of Synthetic Speech Using Pitch Frequency against Synthetic Speech FalsificationAkio Ogihara, Hitoshi Unno, Akira Shiozaki. ieicet, 88-A(1):280-286, 2005. [doi]

1999

A method of embedding robust watermarks into digital imagesAkira Shiozaki, Ken-ichi Hashida, Akio Ogihara. scjapan, 30(14):100-107, 1999. [doi]

1995

A study on the mechanism of the minimum searching by the chaotic neural networkMasaya Ohta, Akio Ogihara, Shinobu Takamatsu, Kunio Fukunaga. icnn 1995: 1517-1520 [doi]

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