Nobuyuki OHBA


A Fast Ray-Tracing Using Bounding Spheres and Frustum Rays for Dynamic Scene Rendering
Ken-ichi SUZUKI Yoshiyuki KAERIYAMA Kazuhiko KOMATSU Ryusuke EGAWA Nobuyuki OHBA Hiroaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/04/01
Vol. E93-D  No. 4  pp. 891-902
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
computer graphicsray tracingintersection testbounding volumebounding sphere
 Summary | Full Text:PDF(1.1MB)

Hardware Design Verification Using Signal Transitions and Transactions
Nobuyuki OHBA Kohji TAKANO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/04/01
Vol. E89-A  No. 4  pp. 1012-1017
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
hardware prototypinghardware debugginglogic analyzerASICSoC
 Summary | Full Text:PDF(664.1KB)