Koji OBOKATA

Digital Curve Approximation with Length Evaluation
Tetsuo ASANO Yasuyuki KAWAMURA Reinhard KLETTE Koji OBOKATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/05/01
Vol. E86-A  No. 5  pp. 987-994
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
approximating sausage, digital curve, digital geometry, length of a curve, multigrid convergence, perimeter, 
 Summary | Full Text:PDF(595.9KB)
On Detecting Digital Line Components in a Binary Image
Tetsuo ASANO Koji OBOKATA Takeshi TOKUYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/05/01
Vol. E84-A  No. 5  pp. 1120-1129
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
algorithm, computer vision, computational geometry, 
 Summary | Full Text:PDF(344.2KB)
Independent Spanning Trees of Product Graphs and Their Construction
Koji OBOKATA Yukihiro IWASAKI Feng BAO Yoshihide IGARASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/11/25
Vol. E79-A  No. 11  pp. 1894-1903
Type of Manuscript:  PAPER
Category: Graphs and Networks
Keyword: 
broadcasts, channel graphs, fault tolerance, independent spanning trees, product graphs, 
 Summary | Full Text:PDF(819.9KB)