Hirokazu IWASE


Chaotic Analysis of Focal Accommodation and Pupil Area during the VDT Work
Hirokazu IWASE Masatoshi KITAOKA Juvy BALINGIT Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/09/01
Vol. E87-D  No. 9  pp. 2258-2261
Type of Manuscript:  LETTER
Category: Software Engineering
Keyword: 
accommodationpupil areachaotic analysisfractal dimensionfirst Lyapunov exponent
 Summary | Full Text:PDF(148.8KB)

Empirical Study on the Improvement of the Usability of a Touch Panel for the Elderly--Comparison of Usability between a Touch Panel and a Mouse--
Hirokazu IWASE Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/06/01
Vol. E86-D  No. 6  pp. 1134-1138
Type of Manuscript:  LETTER
Category: Software Engineering
Keyword: 
elderly personagingtouch panelperformance modelFitts' law
 Summary | Full Text:PDF(447.7KB)

Design Proposals to Assist Older Adults in Using a Computer Mouse
Hirokazu IWASE Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/01/01
Vol. E86-D  No. 1  pp. 141-145
Type of Manuscript:  LETTER
Category: Welfare Engineering
Keyword: 
agingelderly personPC mouseperformance modelFitts' law
 Summary | Full Text:PDF(688.2KB)

Chaotic Features of Rhythmic Joint Movement
Hirokazu IWASE Atsuo MURATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/07/01
Vol. E85-D  No. 7  pp. 1175-1179
Type of Manuscript:  LETTER
Category: Medical Engineering
Keyword: 
rhythmic movementchaotic analysisfractal dimensionLyapunov exponent
 Summary | Full Text:PDF(293.2KB)

Application of Chaotic Dynamics in EEG to Assessment of Mental Workload
Atsuo MURATA Hirokazu IWASE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/08/01
Vol. E84-D  No. 8  pp. 1112-1119
Type of Manuscript:  PAPER
Category: Medical Engineering
Keyword: 
mental workloadEEGlargest Lyapunov exponentfractal dimensionattractor plot
 Summary | Full Text:PDF(293.3KB)

Evaluation of Mental Workload by Variability of Pupil Area
Atsuo MURATA Hirokazu IWASE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/05/25
Vol. E83-D  No. 5  pp. 1187-1190
Type of Manuscript:  LETTER
Category: Medical Engineering
Keyword: 
pupil areaautonomic nervous systemblood pressure variationrespiratory sinus arrhythmiamental workload
 Summary | Full Text:PDF(138.7KB)