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3DIM
2003
IEEE
14 years 23 days ago
Stable Real-Time Interaction Between Virtual Humans And Real Scenes
We present an Augmented Reality system that relies on purely passive techniques to solve the real-time registration problem. It can run on a portable PC and does not require engin...
Luca Vacchetti, Vincent Lepetit, George Papagianna...
CGF
2005
84views more  CGF 2005»
13 years 7 months ago
Perceptual Evaluation of Impostor Representations for Virtual Humans and Buildings
In large-scale simulations involving complex scenes, such as cities inhabited by crowds, simplifications are almost always necessary to achieve interactive frame-rates. Level of D...
John Hamill, Rachel McDonnell, Simon Dobbyn, Carol...
SIGGRAPH
1993
ACM
13 years 11 months ago
Hierarchical Z-buffer visibility
An ideal visibility algorithm should a) quickly reject most of the hidden geometry in a model and b) exploit the spatial and perhaps temporal coherence of the images being generat...
Ned Greene, Michael Kass, Gavin S. P. Miller
SIGGRAPH
2000
ACM
13 years 12 months ago
Time-dependent visual adaptation for fast realistic image display
Human vision takes time to adapt to large changes in scene intensity, and these transient adjustments have a profound effect on visual appearance. This paper offers a new operator...
Sumanta N. Pattanaik, Jack Tumblin, Yangli Hector ...
SIGGRAPH
1998
ACM
13 years 11 months ago
Visibility Sorting and Compositing Without Splitting for Image Layer Decompositions
We present an efficient algorithm for visibility sorting a set of moving geometric objects into a sequence of image layers which are composited to produce the final image. Inste...
John M. Snyder, Jed Lengyel