OGIHARA Akio

J-GLOBAL         Last updated: Sep 5, 2019 at 17:38
 
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Name
OGIHARA Akio
URL
http://www.hiro.kindai.ac.jp/faculty/facultyguide/infosystem/laboratory/lab-07.html
Affiliation
Kindai University
Section
Faculty of Engineering Department of Informatics
Job title
Professor
Degree
Doctor of Engineering(Osaka Prefecture University)

Research Interests

 
 

Research Areas

 
 

Academic & Professional Experience

 
Apr 2012
 - 
Today
Professor, Kinki University
 
Apr 2007
 - 
Mar 2012
Associate Professor, Osaka Prefecture University
 
Apr 1999
 - 
Mar 2007
Associate Professor, Osaka Prefecture University
 
Apr 1995
 - 
Mar 1999
Assistant Professor, Osaka Prefecture University
 
Apr 1992
 - 
Mar 1995
Research Associate, Osaka Prefecture University
 

Education

 
 
 - 
1992
Graduate School, Division of Engineering, Osaka Prefecture University
 
 
 - 
1987
Faculty of Engineering, Osaka Prefecture University
 

Published Papers

 
村田晴美, 山本清高, 荻原昭夫, 目加田慶人
電子情報通信学会論文誌 D(Web)   J101-D(11) 1499‐1503 (WEB ONLY)   Nov 2018
Note estimation by contaminated normal distribution for audio watermarking method using non-negative matrix factorization
Harumi Murata, Ogihara Akio
Proc. 2018 International Symposium on Intelligent Signal Processing and Communication   469-474   Nov 2018   [Refereed]
村田晴美, 荻原昭夫
電子情報通信学会論文誌 D(Web)   J101-D(1) 247‐250 (WEB ONLY)   Jan 2018
Murata Harumi, Ogihara Akio, Hayashi Shigetoshi
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E101D(1) 68-71   Jan 2018   [Refereed]
Murata Harumi, Ogihara Akio
ADVANCES IN INTELLIGENT INFORMATION HIDING AND MULTIMEDIA SIGNAL PROCESSING, VOL 1   63 107-114   2017   [Refereed]
Yamamoto Kiyotaka, Murata Harumi, Ogihara Akio, Mekada Yoshito
IEEJ Transactions on Electronics, Information and Systems   136(12) 1667   Dec 2016
<p>This paper proposes a new regularization term of non-negative matrix factorization (NMF) for estimating pitch and onset time of electric bass. Both of them are indispensable information for automatic music transcription. However, it is difficul...
Improvement of the embedding capacity for audio watermarking method using non-negative matrix factorization
Harumi Murata, Akio Ogihara
Advances in Intelligent Information Hiding and Multimedia Signal Processing   1 107-114   Nov 2016   [Refereed]
Harumi Murata, Akio Ogihara
IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, BMSB   2016-July    Jul 2016
© 2016 IEEE.In this paper, we propose an audio watermarking method using non-negative matrix factorization (NMF). The amplitude spectrogram of the host signal is decomposed the basis matrix and the activation matrix by NMF. These matrices are non-...
Harumi Murata, Akio Ogihara
Proc. 2016 International Technical Conference on Circuits/Systems, Computers and Communications   677-680   Jul 2016   [Refereed]
Harumi Murata, Akio Ogihara
2015 15th International Symposium on Communications and Information Technologies, ISCIT 2015   117-120   Apr 2016
© 2015 IEEE.A digital watermark is a technique to embed another digital data into digital contents such as music, image and movie. For audio signals, it is required that the sound quality of stego signal is not deteriorated. In existing methods, t...
Harumi Murata, Akio Ogihara
Proceedings - 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2015   156-159   Feb 2016
© 2015 IEEE.For audio signals, the sound quality of the stego signal should not deteriorate as much as host signal. With current methods, high sound quality means that the difference between the host and stego signals is small. We proposed a metho...
Sho Yamamoto, Tsukasa Hirashima, Akio Ogihara
Studies in Computational Intelligence   619 101-112   Jan 2016   [Refereed]
© Springer International Publishing Switzerland 2016.In this paper, we described about a design of learning environment based on information structure and a realization of problem posing for learning disability. We design and developed software by...
Harumi Murata, Akio Ogihara, Masaki Uesaka
IEICE Transactions on Information and Systems   E98D 89-94   Jan 2015
Copyright © 2015 The Institute of Electronics, Information and Communication Engineers. Yajima et al. proposed a method based on amplitude and phase coding of audio signals. This method has relatively high sound quality because human auditory prop...
Harumi Murata, Akio Ogihara
Proceedings - 2014 10th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2014   268-271   Jan 2014
© 2014 IEEE. In this paper, we propose an audio watermarking method using processed sound of music. For audio signals, watermarks are embedded in time domain or Fourier domain. In existing methods, it is required that noises are not perceived in s...
Harumi Murata, Akio Ogihara, Shigetoshi Hayashi
ISPACS 2013 - 2013 International Symposium on Intelligent Signal Processing and Communication Systems   51-54   Dec 2013
In this paper, we propose a new watermarking method based on modification of sound pressure level between microphones. We focus on two characteristics of sound source. One is location of a dominant sound source will be maintained even if signal pr...
An audio watermarking method based on modification of sound pressure level between microphones
Harumi Murata, Akio Ogihara, Shigetoshi Hayashi
Proc. 2013 International Technical Conference on Circuits/Systems, Computers and Communications   669-672   Jul 2013   [Refereed]
Application of synchronization code to multiple audio watermarking method based on average of absolute amplitude
Akio Ogihara, Harumi Murata, Natsumi Kishimoto
Proc. 2013 International Technical Conference on Circuits/Systems, Computers and Communications   657-660   Jul 2013   [Refereed]
Blind audio watermarking based on multiplicative patchwork method with extension of embedding region
Harumi Murata, Akio Ogihara, Masaru Yamamoto
Proc. 2013 International Technical Conference on Circuits/Systems, Computers and Communications   653-656   Jul 2013   [Refereed]
村田晴美, 荻原昭夫, 岩田基, 汐崎陽
電子情報通信学会論文誌 D   J96-D(4) 941-951   Apr 2013   [Refereed]
Harumi Murata, Akio Ogihara, Motoi Iwata, Michifumi Yoshioka
Proc. 12th International Symposium on Communications and Information Technologies   104-109   Oct 2012   [Refereed]

Books etc

 
Computer communication and networks (second edition)
Kyoritsu Shuppan Co. , Ltd.   1995   
Computer communication and networks(third edition)
Kyoritsu Shuppan Co. , Ltd   1998   
Computer communication and networks(fourth edition)
Kyoritsu Shuppan Co. , Ltd   2000   
Computer communication and networks(fifth edition)
Kyoritsu Shuppan Co. , Ltd   2002   

Conference Activities & Talks

 
山本華帆, 荻原昭夫, 村田晴美
電子情報通信学会大会講演論文集(CD-ROM)   5 Mar 2019   
丸山貴大, 村田晴美, 荻原昭夫
電子情報通信学会大会講演論文集(CD-ROM)   5 Mar 2019   
荻原昭夫, 村田晴美, 岡田名留美, 村本翔, 藤原礼奈, 山本華帆
電子情報通信学会大会講演論文集(CD-ROM)   6 Mar 2018   
村田 晴美, 荻原 昭夫
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   29 Jan 2018   
山元翔, 荻原昭夫
自動車技術会大会学術講演会講演予稿集(CD-ROM)   9 Oct 2017   
山本 清高, 村田 晴美, 荻原 昭夫, 目加田 慶人
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   20 Mar 2017   
荻原昭夫, 村田晴美
電子情報通信学会大会講演論文集(CD-ROM)   7 Mar 2017   
森川裕介, 村田晴美, 荻原昭夫
電子情報通信学会大会講演論文集(CD-ROM)   7 Mar 2017   
村田 晴美, 荻原 昭夫
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   6 Mar 2017   
村田 晴美, 荻原 昭夫
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   30 Jan 2017   
村田 晴美, 荻原 昭夫
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   17 Nov 2016   
宮原豪希, 山元翔, 荻原昭夫
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM)   17 Oct 2016   
荻原昭夫, 安原尚吾, 村田晴美
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM)   17 Oct 2016   
村田晴美, 荻原昭夫
電子情報通信学会技術研究報告   8 Sep 2016   
村田晴美, 荻原昭夫
情報科学技術フォーラム講演論文集   23 Aug 2016   
村田晴美, 荻原昭夫
電子情報通信学会技術研究報告   12 May 2016   
荻原昭夫, 村田晴美
電子情報通信学会大会講演論文集(CD-ROM)   1 Mar 2016   
村田晴美, 荻原昭夫
電子情報通信学会技術研究報告   24 Feb 2016   
村田晴美, 荻原昭夫
電子情報通信学会技術研究報告   11 Jan 2016   
山本清高, 村田晴美, 荻原昭夫, 目加田慶人
電子情報通信学会技術研究報告   4 Dec 2015   
村田晴美, 荻原昭夫
電子情報通信学会技術研究報告   5 Nov 2015   
藤木祥平, 荻原昭夫, 村田晴美
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM)   10 Oct 2015   
番匠真, 荻原昭夫, 村田晴美
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM)   10 Oct 2015   
宮原豪希, 山元翔, 荻原昭夫
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM)   10 Oct 2015   
鈴木啓太, 村田晴美, 荻原昭夫
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   18 Sep 2015   
山本清高, 村田晴美, 荻原昭夫, 目加田慶人
電気・電子・情報関係学会東海支部連合大会講演論文集(CD-ROM)   18 Sep 2015   
山元翔, 平嶋宗, 荻原昭夫
情報科学技術フォーラム講演論文集   24 Aug 2015   
村田晴美, 荻原昭夫
情報科学技術フォーラム講演論文集   24 Aug 2015   
MURATA HARUMI, OGIHARA AKIO
電子情報通信学会技術研究報告   5 Mar 2015   
OGIHARA AKIO, MURATA HARUMI
電子情報通信学会大会講演論文集(CD-ROM)   24 Feb 2015   
MURATA HARUMI, OGIHARA AKIO
電子情報通信学会技術研究報告   21 Jan 2015   
村田 晴美, 荻原 昭夫
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   20 Nov 2014   
Ogihara Akio, Murata Harumi
Proceedings of the IEICE General Conference   4 Mar 2014   
Ogihara Akio, Nakahara Daijiro, Tanaka Kazumoto, Tatsuno Junya, Takehara Shin
Proceedings of the IEICE General Conference   4 Mar 2014   
村田 晴美, 荻原 昭夫, 上阪 昌毅
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   27 Jan 2014   
OGIHARA Akio
電子情報通信学会技術研究報告. EMM, マルチメディア情報ハイディング・エンリッチメント   7 Nov 2013   
The information hiding technology is classified into two categories: steganography and digital watermark. In the steganography, it is desirable to avoid feeling unnaturalness from stego-data. In the digital watermark, it is also desirable to avoid...
MURATA Harumi, OGIHARA Akio
電子情報通信学会技術研究報告. EMM, マルチメディア情報ハイディング・エンリッチメント   7 Nov 2013   
The objective of this work is to propose an embedding method using blind source separation. High sound quality is required even if a watermark is embedded in audio signal. For meeting this requirement, in this paper, we deal with music data not in...
Murata Harumi, Ogihara Akio
情報科学技術フォーラム講演論文集   20 Aug 2013   
Ogihara Akio, Tanaka Kazumoto, Tatsuno Junya, Takehara Shin
Proceedings of the IEICE General Conference   5 Mar 2013   
NISHIMURA Akira, OGIHARA Akio, UNOKI Masashi, KONDO Kazuhiro
電子情報通信学会技術研究報告. EMM, マルチメディア情報ハイディング・エンリッチメント   9 Nov 2012   
Technical committee on Information Hiding and its Criteria for evaluation (IHC) has established the first criteria for audio watermarking technology. A contest based on the criteria was held on 6 Sep. 2012. Six technologies of audio watermarking, ...

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))
Project Year: 2011 - 2013    Investigator(s): Akio OGIHARA
In our multilayer type audio watermarking method, we increase the capacity of embedding by introducing multi-layered embedding process of watermark information. However, there is the problem that sound quality degradation is likely to be perceived...
Study on Digital Speech Processing
Study on Digital Watermark
Study on User Verification by Biometrics