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 methodsingularity detectionextended relational graphfingerprintcoredelta
 Summary | Full Text:PDF(1.9MB)

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: 
fingerprintcoredeltaextended relational graphdirectional image
 Summary | Full Text:PDF(2MB)

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: 
fingerprintcore detectionextended relational graphridge directional image
 Summary | Full Text:PDF(2.6MB)

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-MSPALSI designvideotelephony applicationsH.263+ ITU standard
 Summary | Full Text:PDF(1MB)

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 parameterwire parasiticsdevice heatperformance specificationpenalty functionsimulated annealingrip-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-drivenprocess parameterwire parasiticsperformance deviationsimulated annealingLIBRA
 Summary | Full Text:PDF(854.8KB)