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EGH
2009
Springer
13 years 5 months ago
Accelerating shadow rays using volumetric occluders and modified kd-tree traversal
Monte Carlo ray tracing remains a simple and elegant method for generating robust shadows. This approach, however, is often hampered by the time needed to evaluate the numerous sh...
Peter Djeu, Sean Keely, Warren Hunt
SIAMSC
2011
148views more  SIAMSC 2011»
13 years 2 months ago
Bootstrap AMG
We develop an algebraic multigrid (AMG) setup scheme based on the bootstrap framework for multiscale scientific computation. Our approach uses a weighted least squares definition...
Achi Brandt, James J. Brannick, K. Kahl, Irene Liv...
TOG
2012
246views Communications» more  TOG 2012»
11 years 10 months ago
Continuous penalty forces
We present a simple algorithm to compute continuous penalty forces to determine collision response between rigid and deformable models bounded by triangle meshes. Our algorithm co...
Min Tang, Dinesh Manocha, Miguel A. Otaduy, Ruofen...
ICCCN
2007
IEEE
14 years 2 months ago
Low-Latency Multichannel Wireless Mesh Networks
—Multimedia requirements of the 1990’s drove wired and optical network architects to reconsider the inefficiencies of packet switching and consider long proven methods such as...
Robert McTasney, Dirk Grunwald, Douglas C. Sicker
IPPS
2007
IEEE
14 years 1 months ago
Incorporating Latency in Heterogeneous Graph Partitioning
Parallel applications based on irregular meshes make use of mesh partitioners for efficient execution. Some mesh partitioners can map a mesh to a heterogeneous computational plat...
Eric E. Aubanel, Xiaochen Wu