Hidetaka ITO


A Subspace Newton-Type Method for Approximating Transversely Repelling Chaotic Saddles
Hidetaka ITO Hiroomi HIKAWA Yutaka MAEDA 
Publication:   
Publication Date: 2018/07/01
Vol. E101-A  No. 7  pp. 1127-1131
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
chaotic saddlesunstable periodic orbitsbifurcationNewton iterationsubspace method
 Summary | Full Text:PDF(348.8KB)

SOM-Based Vector Recognition with Pre-Grouping Functionality
Yuto KUROSAKI Masayoshi OHTA Hidetaka ITO Hiroomi HIKAWA 
Publication:   
Publication Date: 2018/06/01
Vol. E101-D  No. 6  pp. 1657-1665
Type of Manuscript:  PAPER
Category: Biocybernetics, Neurocomputing
Keyword: 
SOMvector recognitionposition identificationparallel classifiers
 Summary | Full Text:PDF(1.8MB)

Off-Chip Training with Additive Perturbation for FPGA-Based Hand Sign Recognition System
Hiroomi HIKAWA Masayuki TAMAKI Hidetaka ITO 
Publication:   
Publication Date: 2018/02/01
Vol. E101-A  No. 2  pp. 499-506
Type of Manuscript:  PAPER
Category: Neural Networks and Bioengineering
Keyword: 
hand sign recognitionself-organizing maphardwareoff-chip learningperturbation
 Summary | Full Text:PDF(2.7MB)

Chaotic Multidomain Oscillations in a Spatially-Extended Semiconductor Device
Hidetaka ITO Yoshisuke UEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/11/01
Vol. E84-A  No. 11  pp. 2908-2914
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
spatiotemporal chaosmultidomain oscillationGunn oscillationLyapunov spectrum
 Summary | Full Text:PDF(1.5MB)

Locating Fold Bifurcation Points Using Subspace Shooting
Hidetaka ITO Akira KUMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/09/25
Vol. E81-A  No. 9  pp. 1791-1797
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: Chaos, Bifurcation and Fractal
Keyword: 
fold bifurcationperiodic orbitsshooting methodsubspace iterationcenter manifold
 Summary | Full Text:PDF(544.4KB)