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» Properties of Three Shadows on a Plane
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CVPR
2001
IEEE
14 years 9 months ago
Issues on the Geometry of Central Catadioptric Image Formation
An imaging system with a single effective viewpoint is called a central projection system. The conventional perspective camera is an example of a central projection system. System...
João P. Barreto, Helder Araújo
MVA
1992
13 years 8 months ago
High Speed Autofocus for Microscopic Images
2 Computational Theory The processing of biological specimens or the 2.1 Overview examination of material surfaces for quality control requires a fast and precise autofocus system....
J. E. Fischer, D. Homeister, J. Lehmler, G. Roos
SI3D
2005
ACM
14 years 1 months ago
A lighting model for general participating media
Efficient and visually compelling reproduction of effects due to multiple scattering in participating media remains one of the most difficult tasks in computer graphics. Althoug...
Kyle Hegeman, Michael Ashikhmin, Simon Premoze
CAIP
2003
Springer
176views Image Analysis» more  CAIP 2003»
14 years 22 days ago
Evaluation of an Adaptive Composite Gaussian Model in Video Surveillance
Video surveillance systems seek to automatically identify events of interest in a variety of situations. Extracting a moving object from background is the most important step of t...
Qi Zang, Reinhard Klette
ICRA
2010
IEEE
126views Robotics» more  ICRA 2010»
13 years 6 months ago
Multiple depth/presence sensors: Integration and optimal placement for human/robot coexistence
— Depth and presence sensors are used to prevent collisions in environments where human/robot coexistence is relevant. To address the problem of occluded areas, we extend in this...
Fabrizio Flacco, Alessandro De Luca