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ICCV
1998
IEEE
16 years 7 months ago
Modeling Geometric Structure and Illumination Variation of a Scene from Real Images
We present in this paper a system which automatically builds, from real images, a scene model containing both 3D geometric information of the scene structure and its photometric...
Zhengyou Zhang
ICIP
2000
IEEE
16 years 7 months ago
Nonlinear Distortion Correction in Endoscopic Video Images
Modern video-based endoscopes offer physicians a wide-angle field of view for minimally-invasive procedures. Unfortunately, inherent barrel distortion prevents accurate perception...
Chao Zhang, James P. Helferty, Geoffrey McLennan, ...
MICCAI
2004
Springer
16 years 6 months ago
Needle Insertion in CT Scanner with Image Overlay - Cadaver Studies
An image overlay system is presented to assist needle placement in conventional CT scanners. The device consisting of a flat LCD display and a half mirror is mounted on the gantry....
Gabor Fichtinger, Anton Deguet, Ken Masamune, Emes...
CCS
2007
ACM
16 years 2 days ago
Do background images improve "draw a secret" graphical passwords?
Draw a secret (DAS) is a representative graphical password scheme. Rigorous theoretical analysis suggests that DAS supports an overall password space larger than that of the ubiqu...
Paul Dunphy, Jeff Yan
167
Voted
IEEEPACT
1999
IEEE
15 years 10 months ago
Memory System Support for Image Processing
Image processing applications tend to access their data non-sequentially and reuse that data infrequently. As a result, they tend to perform poorly on conventional memory systems ...
Lixin Zhang, John B. Carter, Wilson C. Hsieh, Sall...