Tomohiko OHTSUKA

Singular Candidate Method: Improvement of Extended Relational Graph Method for Reliable Detection of Fingerprint Singularity
Tomohiko OHTSUKA Daisuke WATANABE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/07/01
Vol. E93-D  No. 7  pp. 1788-1797
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision and its Applications)
Category: 
Keyword: 
singular candidate method, singularity detection, extended relational graph, fingerprint, core, delta, 
 Summary | Full Text:PDF
A New Core and Delta Detection for Fingerprints Using the Extended Relation Graph
Tomohiko OHTSUKA Akiyoshi KONDO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10  pp. 2587-2592
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
fingerprint, core, delta, extended relational graph, directional image, 
 Summary | Full Text:PDF
A New Detection Approach for the Fingerprint Core Location Using Extended Relation Graph
Tomohiko OHTSUKA Takeshi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/10/01
Vol. E88-D  No. 10  pp. 2308-2312
Type of Manuscript:  Special Section LETTER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
fingerprint, core detection, extended relational graph, ridge directional image, 
 Summary | Full Text:PDF
System-MSPA Design of H.263+ Video Encoder/Decoder LSI for Videotelephony Applications
Chawalit HONSAWEK Kazuhito ITO Tomohiko OHTSUKA Trio ADIONO Dongju LI Tsuyoshi ISSHIKI Hiroaki KUNIEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/11/01
Vol. E84-A  No. 11  pp. 2614-2622
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: VLSI Design
Keyword: 
system-MSPA, LSI design, videotelephony applications, H.263+ ITU standard, 
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The lmprovement in Performance-Driven Analog LSI Layout System LIBRA
Tomohiko OHTSUKA Nobuyuki KUROSAWA Hiroaki KUNIEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/10/25
Vol. E76-A  No. 10  pp. 1626-1635
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: 
Keyword: 
process parameter, wire parasitics, device heat, performance specification, penalty function, simulated annealing, rip-up rerouting, 
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LIBRA: Automatic Performance-Driven Layout for Analog LSIs
Tomohiko OHTSUKA Hiroaki KUNIEDA Mineo KANEKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/03/25
Vol. E75-C  No. 3  pp. 312-321
Type of Manuscript:  Special Section PAPER (Special Issue on Analog LSI and Related Technology)
Category: 
Keyword: 
performance-driven, process parameter, wire parasitics, performance deviation, simulated annealing, LIBRA, 
 Summary | Full Text:PDF