Masahiro NAKAGAWA

On the Estimation of Lagrangian of Energy Conserving System Based on Linear Regression
Akira OHASHI  Masahiro NAKAGAWA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2013/02/01
Vol. J96-A  No. 2  pp. 75-89
Type of Manuscript: PAPER
Category: 
Keyword: 
modeling,  linear regression,  dynamical system,  lagrangian mechanics, 
  Summary |  Full Text(in Japanese):PDF (1.4MB)
Emotion Spectrum Analysis Method Based on the High-Frequency of EEG
Takashi MARUYAMA  Masahiro NAKAGAWA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-A  No. 9  pp. 716-719
Type of Manuscript: LETTER
Category: 
Keyword: 
electroencephalogram (EEG),  Kansei,  cross-correlation coefficent,  spectrum analysis, 
  Summary |  Full Text(in Japanese):PDF (508.1KB)
On the Dependence of Frequency Components of EEG on Image Tasks
Takashi MARUYAMA  Masahiro NAKAGAWA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/06/01
Vol. J95-D  No. 6  pp. 1410-1420
Type of Manuscript: PAPER
Category: 
Keyword: 
EEG,  emotion,  power spectral density,  event-related synchronization (ERS),  event-related desynchronization (ERD), 
  Summary |  Full Text(in Japanese):PDF (704.4KB)
A Study on Improvement of Emotion-Detection Accuracy Using Fractal Characteristics of EEG
Takashi MARUYAMA  Hiromi SASAMOTO  Naomi ARAKAWA  Tomoyuki KAWASOE  Masahiro NAKAGAWA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2012/04/01
Vol. J95-A  No. 4  pp. 343-356
Type of Manuscript: PAPER
Category: 
Keyword: 
EEG,  fractal dimension analysis,  emotion fractal analysis method,  evaluation with emotion, 
  Summary |  Full Text(in Japanese):PDF (1.6MB)
An Electric Dipole Dynamics Analysis in ECG with Finite Element Method
Hideyuki USUI  Katsuyuki MURAKAMI  Masahiro NAKAGAWA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2008/01/01
Vol. J91-A  No. 1  pp. 143-152
Type of Manuscript: PAPER
Category: 
Keyword: 
ECG,  finite element method,  genetic algorithm,  ECG inverse problem, 
  Summary |  Full Text(in Japanese):PDF (1.6MB)
Bioassay Technology Based on Chaos and Fractals Theory
Masahiro NOGUCHI  Hidetaka HAYAKAWA  Masahiro NAKAGAWA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2007/11/01
Vol. J90-A  No. 11  pp. 797-805
Type of Manuscript: PAPER
Category: 
Keyword: 
fish's movement,  chaos,  fractals dimension,  Lyapunov analysis,  critical exponent method (CEM),  capacity dimensional analyses method in three-dimensional orbit, 
  Summary |  Full Text(in Japanese):PDF (639.3KB)
Learning and Prediction of Irregular Time Series with Chaos Recurrent Neural Network
Tomoaki HOTAKA  Masahiro NAKAGAWA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2007/06/01
Vol. J90-A  No. 6  pp. 524-534
Type of Manuscript: PAPER
Category: 
Keyword: 
recurrent neural network,  periodic chaos neuron,  time series prediction,  chaos ditection, 
  Summary |  Full Text(in Japanese):PDF (1.2MB)