Akira Morimoto

(守本晃)

Profile Information

Affiliation: Professor, Division of Math, Sciences, and Information Technology in Education, Osaka Kyoiku University

Degree: 理学修士(京都大学)

Researcher number: 50239688
J-GLOBAL ID: 200901027932092682
researchmap Member ID: 1000357417

External link: https://www.cc.osaka-kyoiku.ac.jp/~morimoto

Research Interests

Research Areas

Research History

Apr, 2016

大阪教育大学教授
Apr, 2010 - Mar, 2016

大阪教育大学准教授
Aug, 1991 - Mar, 2007

大阪教育大学助手

Committee Memberships

2005

部会幹事, 日本応用数理学会

Papers

Some Inequalities for Parseval Frames

Takeshi Mandai, Ryuichi Ashino, Akira Morimoto

Trends in Mathematics, 703-713, Oct 31, 2023 Peer-reviewed
Inequalities on the closeness of two vectors in a Parseval frame

Ryuichi Ashino, Takeshi Mandai, Akira Morimoto

Japan Journal of Industrial and Applied Mathematics, Apr 26, 2023 Peer-reviewed
ヒトの40-Hz聴性定常反応高速抽出とウェーブレット解析 (時間周波数フレームと画像処理への応用）

井川信子, 守本晃, 芦野隆一

数理解析研究所講究録, 2206 23-48, Dec, 2021 Invited
Estimation method for scale-shift relationship between two speech signals based on Fourier-Mellin transform

Akira Morimoto, Ryuichi Ashino, Takeshi Mandai

Proceedings of The 40th JSST Annual International Conference on Simulation Technology, 114-117, Sep, 2021 Peer-reviewed
フーリエ・メリン変換を用いた， 2 音声がスケール・平行移動変換の関係にあるかどうかの評価方法

守本晃

Information, 24(2) 75-84, Apr, 2021 Peer-reviewed

Misc.

Waveform analysis of 40-Hz auditory steady-state response using wavelet analysis

Nobuko Ikawa, Akira Morimoto, Ryuichi Ashino

International Conference on Wavelet Analysis and Pattern Recognition, 397-402, 2012
Application of the source reduction method with multiwavelets to image separation

Akira Morimoto, Ryuichi Ashino, Takeshi Mandai

International Conference on Wavelet Analysis and Pattern Recognition, 384-389, 2012
Source reduction method using wavelets for the source separation problem

Akira Morimoto, Ryuichi Ashino, Takeshi Mandai

International Conference on Wavelet Analysis and Pattern Recognition, 346-351, 2012
Blind image source separations by wavelet analysis

Ryuichi Ashino, Shusuke Kataoka, Takeshi Mandai, Akira Morimoto

APPLICABLE ANALYSIS, 91(4) 617-644, 2012
Image separation based on continuous multiwavelet transform

守本晃

Proceedings of the MEXT & OKU 2011 Workshop on Wavelet Theory and its Applications to Engineering, 1 87-105, Sep, 2011

主催：文部科学省，大阪教育大学場所：大阪教育大学天王寺キャンパス日程：平成 23 年 9 月 12 日（月）13:00 - 18:00 平成 23 年 9 月 13 日（火） 9:00 - 12:30
Image separation using multiwavelets

Ryuichi Ashino, Shusuke Kataoka, Takeshi Mandai, Akira Morimoto

International Conference on Wavelet Analysis and Pattern Recognition, 245-250, 2011
Image separation using monogenic signal of stationary wavelet transform

Akira Morimoto, Ryuichi Ashino, Shusuke Kataoka, Takeshi Mandai

International Conference on Wavelet Analysis and Pattern Recognition, 239-244, 2011
Signal and image source separations by wavelet analysis

Ryuichi Ashino, Shusuke Kataoka, Takeshi Mandai, Akira Morimoto

INTERNATIONAL CONFERENCE ON INVERSE PROBLEMS 2010, 290 1-6, 2011
ウェーブレット解析と応用

芦野隆一, 守本晃

検査技術, 15(2) 1-7, Feb, 2010
Image separation using the monogenic wavelet transform

Akira Morimoto, Ryuichi Ashino, Takeshi Mandai

ISCIT 2010 - 2010 10th International Symposium on Communications and Information Technologies, 707-712, 2010
Multiwavelet and its application to image processing

溝畑潔, 芦野隆一, 守本晃

可視化情報, 29(115) 249-255, Oct, 2009 Peer-reviewed
数値計算とウェーブレット

守本晃

数学セミナー, 48(3) 29-33, Mar, 2009
Blind source separation from corrupted observed signals

Akira Morimoto

Proceedings of the fifth international conference on Information, ISBN 4-901329-06-5., 196-199, 2009 Peer-reviewed
２次元マルチウェーブレットとその画像処理への応用

溝畑潔, 芦野隆一, 守本晃

可視化情報別冊, 29(Suppl. No.2) 95-98, 2009
複素ウェーブレット変換を用いた画像分離

守本晃, 芦野隆一, 萬代武史

可視化情報別冊, 29(Suppl. No.2) 91-94, 2009
時間周波数解析によるブラインド信号源分離

数理解析研究所, 京都大学数理解析研究所講究録, 1622 47-96, 2009
A remark on the analytic wavelet transform

Ryuichi Ashino, Takeshi Mandai, Akira Morimoto

Seminar Notes of Mathematical Sciences, 12 15-24, 2009
Blind source separation using time-frequency analysis

Akira Morimoto

数理解析研究所講究録, 1622 47-96, Jan, 2009
ブラインド信号源分離の建築音響への応用

佐々木文夫, 上田将吾, 鈴木正則, 安岡正人, 田中治, 芦野隆一, 萬代武史, 守本晃

第75回神楽坂解析セミナー(東京理科大学), 1-4, Nov, 2008
Analytic wavelet transformを用いたブラインド信号源分離

守本晃, 芦野隆一, 萬代武史, 佐々木文夫

日本応用数理学会2008年度年会講演予稿集, 329-330, Sep, 2008
Solving the spatio-temporal mixture problem using timefrequency analysis

R. Ashino, T. Mandai, A. Morimoto, F. Sasaki

Seminar Notes of Mathematical Sciences, 11 12-26, 2008
Blind source separation using analytic wavelet transform

Akira Morimoto, Ashino Ryuichi, Takeshi Mandai, Fumio Sasaki

Proceedings of the 2008 International Conference on Wavelet Analysis and Pattern Recognition, ICWAPR, 2 541-546, 2008
Blind source separation using time-frequency analysis

R. Ashino, T. Mandai, A. Morimoto, F. Sasaki

Fields Institute Communications, 52 401-414, Dec, 2007 Peer-reviewed
時間周波数解析によるブラインド信号源分離のアルゴリズムと具体例、

守本晃, 芦野隆一, 萬代武史, 佐々木文夫, 西原清顕, 神山浩之

第1回ウェーブレット変換およびその応用に関するワークショップ, Vol.1 1-6, Oct, 2007
時間周波数情報を利用したブラインド信号源分離について

守本晃, 芦野隆一, 藤田景子, 萬代武史, 西原清顕, 佐々木文夫

日本応用数理学会2007年度年会講演予稿集, 288-289, Sep, 2007
Blind source separation using time-frequency information matrix given by several wavelet transforms

Ryuichi Ashino, Keiko Fujita, Takeshi Mandai, Akira Morimoto, Kiyoaki Nishihara

INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL, 10(5) 555-568, Sep, 2007
Mathematical view of a blind source separation on a time frequency space

Keiko Fujita, Yoshitsugu Takei, Akira Morimoto, Ryuichi Ashino

APPLIED MATHEMATICS AND COMPUTATION, 187(1) 153-162, Apr, 2007
ウェーブレット解析のシステム同定への応用

芦野隆一, 萬代武史, 守本晃

応用数理, 17(1) 2-13, Mar, 2007 Peer-reviewed
Mathematical background for a method on quotient signal decomposition

Ryuichi Ashino, Carlos A. Berenstein, Keiko Fujita, Akira Morimoto, Mitsuo Morimoto, Domenico Napoletani, Yoshitsugu Takei

APPLICABLE ANALYSIS, 86(5) 577-609, 2007
Blind source separation using time-frequency analysis

Ryuichi Ashino, Takeshi Mandai, Akira Morimoto, Fumio Sasaki

PSEUDO-DIFFERENTIAL OPERATORS: PARTIAL DIFFERENTIAL EQUATIONS AND TIME-FREQUENCY ANALYSIS, 52 401-414, 2007
特異値分解とウェーブレットを使った画像処理

芦野隆一, 萬代武史, 守本晃

数理解析研究所, 京都大学数理解析研究所講究録, 1529 26-41, 2007
Multiwavelet neural network preprocessing

Morimoto, A, Ashino, R, Vaillancourt, R

CRM preprint Centre de recherches mathematiques (CRM) of the Universite de Montreal, CRM(3213), Mar, 2006

CRM preprint http://www.crm.umontreal.ca/en/niveau2/index_pub.html
MULTIWAVELET NEURAL NETWORK PREPROCESSING OF IRREGULARLY SAMPLED DATA

Morimoto A, Ashino R, Vaillancourt R

Scientiae Mathematicae Japonicae, 63 351-367, 2006 Peer-reviewed
Wavelet and block singular value image denoising

Ryuichi Ashino, Akira Morimoto, Yuichi Shimano, Remi Vaillancourt

Proceedings of The Fourth International Conference on Information and The Fourth Irish Conference on MFCSIT., 164-167, 2006 Peer-reviewed
Blind source separation using several types of time-frequency information given by wavelet transforms

Akira Morimoto, Keiko Fujita, Ryuichi Ashino, Takeshi Mandai

Proceedings of The Fourth International Conference on Information and The Fourth Irish Conference on MFCSIT., 92-95, 2006 Peer-reviewed
Blind source separation using the quotient of the time-frequency information

Akira Morimoto, Keiko Fujita, Ryuichi Ashino

Seminar Notes of Mathematical Sciences, 9 81-89, 2006
Image processing using singular value decomposition and wavelet

Ryuichi Ashino, Akira Morimoto, Michihiro Nagase, Weibin Qi, Remi Vaillancourt

Seminar Notes of Mathematical Sciences, 9 1-16, 2006
Wavelet and block singular value image denoising

A. Morimoto, Y. Shimano, R. Ashino, R. Vaillancourt

Scientific Proceedings of Riga Technical University in series "Computer Science", vol. 29, Riga: Riga Technical University, "Boundary Field Problems and Computer Simulation"; 48-th issue, 29 6-14, 2006 Peer-reviewed
画像圧縮に適した特異値分解アルゴリズムの考察

小幡雅彦, 岩崎雅史, 近藤弘一, 守本晃, 芦野隆一, 中村佳正

情報処理学会研究報告, (20) 169-174, 2006
Wavelet and block singular value image denoising

National University of Ireland, CorkProceedings of The Fourth International Conference on Information and The Fourth Irish Conference on MFCSIT., 164-167, 2006
Wavelet and block singular value image denoising

Scientific Proceedings of Riga Technical University in series "Computer Science", vol. 29, Riga: Riga Technical University, "Boundary Field Problems and Computer Simulation"; 48-th issue, 29 6-14, 2006
Wavelet and block singular value image denoising

Morimoto, A, Shimano, Y, Ashino, R, Vaillancourt, R

CRM preprint Centre de recherches mathematiques (CRM) of the Universite de Montreal, CRM(3202), Oct, 2005

CRM preprint http://www.crm.umontreal.ca/en/niveau2/index_pub.html
時間周波数情報を用いたブラインド信号源分離－数学的背景－

藤田景子, 竹井義次, 守本晃, 芦野隆一, 森本光生

信学技報 IEICE Technical Report, EA2005-12 SIP2005-17(2005-05), EA2005 SIP2005 37-42, May, 2005

査読無しの技術報告
時間周波数情報を用いたブラインド信号源分離－実例を中心に－

守本晃, 藤田景子, 芦野隆一

信学技報 IEICE Technical Report, EA2005-11 SIP2005-16(2005-05), EA2005 SIP2005 31-36, May, 2005

査読無しの技術報告
Image compression with multiresolution singular value decomposition and other methods

R Ashin, A Morimoto, M Nagase, R Vaillancourt

MATHEMATICAL AND COMPUTER MODELLING, 41(6-7) 773-790, Mar, 2005
System identification based on distribution theory and wavelet transform

Ryuichi Ashino, Takeshi Mandai, Akira Morimoto

Applicable Analysis, 84(2) 165-195, Feb, 2005 Peer-reviewed
Pre-processing design for multiwavelet filters using neural networks

A. Morimoto, R. Ashino, R. Vaillancourt

CRM preprint Centre de recherches mathematiques (CRM) of the Universite de Montreal, CRM(2980), Mar, 2004

CRM preprint http://www.crm.umontreal.ca/en/niveau2/index_pub.html
Image compression with multiresolution singular value decomposition and other methods

R. Ashino, A. Morimoto, M. Nagase, R. Vaillancourt

CRM preprint Centre de recherches mathematiques (CRM) of the Universite de Montreal, CRM(2939), Jan, 2004

CRM preprint http://www.crm.umontreal.ca/en/niveau2/index_pub.html
IMAGE DENOISING USING SPLINE AND BLOCK SINGULAR VALUE DECOMPOSITION

Qi W, Morimoto A, Ashino R, Vaillancourt R

Scientific Proceedings of Riga Technical University in series "Computer Science", vol. 21, Riga: Riga Technical University, "Boundary Field Problems and Computer Simulation"; 46-th issue, 21 36-46, 2004 Peer-reviewed
CURVE FITTING OF IRREGULARLY SAMPLED DATA BY MULTIWAVELETS NEURAL NETWORKS

Morimoto A, Ashino R, Vaillancourt R

Scientific Proceedings of Riga Technical University in series "Computer Science", vol. 21, Riga: Riga Technical University, "Boundary Field Problems and Computer Simulation"; 46-th issue, 21 25-35, 2004 Peer-reviewed

Books and Other Publications

応用数理ハンドブック

薩摩, 順吉, 大石, 進一, 杉原, 正顕, 日本応用数理学会

朝倉書店, Oct, 2013 (ISBN: 9784254111415)
離散ウェープレット変換

守本晃 (Role: Contributor)

朝倉書店, 2013
ダイナミカルシステムの数理応用

山本鎮男, 曽根彰, 芦野隆一, 守本晃 (Role: Joint author)

共立出版, 1999

179-208 ページ担当
ダイナミカルシステムの数理基礎

山本鎮男, 曽根彰, 芦野隆一, 守本晃 (Role: Joint author)

共立出版, 1999

179-200 ページ担当

Presentations

Feature extraction from mixed speech data using wavelet analysis

Akira Morimoto

14th International ISAAC Congress, Jul 17, 2023
連続ウェーブレット変換による音声信号の拡大率を判定する試み

守本晃, 芦野隆一, 萬代武史

日本応用数理学会2022年年会, Sep 8, 2022, 日本応用数理学会
フーリエ・メリン変換を用いたスケールパラメータと平行移動パラメータの推定

守本晃, 芦野隆一, 萬代武史

日本応用数理学会年会2021, Sep 8, 2021, 日本応用数理学会
Estimation method for scale-shift relationship between two speech signals based on Fourier-Mellin transform

Akira Morimoto, Ryuichi Ashino, Takeshi Mandai

The 40th JSST Annual International Conference on Simulation Technology, Sep 1, 2021, 日本シミュレーション学会
An estimation of scale parameter of images using Fourier-Mellin transform

Akira Morimoto, Osaka, Kyoiku University, Ryuichi Ashino, Osaka, Kyoiku University, Takeshi Mandai, Osaka Electro-Communication University

13th ISAAC Congress, Aug 6, 2021, ISAAC

Professional Memberships

Research Projects

ウェーブレット解析を利用した信号・画像の拡大・縮小パラメータの推定

科研費補助金, Apr, 2021 - Mar, 2024

芦野隆一, 萬代武史
Time-frequency analysis of quaternion-valued functions.

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023
Mathematical problems in application of multi-dimensional multiwavelet analysis

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

ASHINO RYUICHI
ウェーブレット解析に基づいた画像分離

科研費補助金, 日本学術振興会, Apr, 2017 - Mar, 2020

守本晃
N分木離散ウェーブレット変換とスパース表現を用いた信号源分離

科研費補助金, 日本学術振興会, Apr, 2014 - Mar, 2017

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