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CGF
2006
13 years 10 months ago
2006
We propose a sweep-based approach to the freeform deformation of three-dimensional objects. Instead of using a volume enclosing the whole object, we approximate only its deformabl...
TOG
2008
13 years 10 months ago
2008
In 3D renderings of complex scenes, objects of interest may be occluded by those of secondary importance. Cutaway renderings address this problem by omitting portions of secondary...
CGF
2005
13 years 10 months ago
2005
A novel approach is presented to efficiently render local subsurface scattering effects. We introduce an importance sampling scheme for a practical subsurface scattering model. It...
CGF
2002
13 years 10 months ago
2002
BSP trees and KD trees are fundamental data structures for collision detection in walkthrough environments. A basic issue in the construction of these hierarchical data structures...
JCD
2000
13 years 9 months ago
2000
Asynchronous, text-based communication is different from most other forms of interchange in important ways. It lacks the full spectrum of visual and audible information that peopl...