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MMAS
2011
Springer
14 years 7 months ago
Sweeping Preconditioner for the Helmholtz Equation: Moving Perfectly Matched Layers
This paper introduces a new sweeping preconditioner for the iterative solution of the variable coefficient Helmholtz equation in two and three dimensions. The algorithms follow th...
Björn Engquist, Lexing Ying
CVPR
2004
IEEE
16 years 6 months ago
Tracking Loose-Limbed People
We pose the problem of 3D human tracking as one of inference in a graphical model. Unlike traditional kinematic tree representations, our model of the body is a collection of loos...
Leonid Sigal, Sidharth Bhatia, Stefan Roth, Michae...
JAIR
2006
179views more  JAIR 2006»
15 years 4 months ago
The Fast Downward Planning System
Fast Downward is a classical planning system based on heuristic search. It can deal with general deterministic planning problems encoded in the propositional fragment of PDDL2.2, ...
Malte Helmert
COMPGEOM
2009
ACM
15 years 9 months ago
Kinetic spanners in Rd
We present a new (1 + ε)-spanner for sets of n points in Rd . Our spanner has size O(n/εd−1 ) and maximum degree O(logd n). The main advantage of our spanner is that it can be...
Mohammad Ali Abam, Mark de Berg
IPTPS
2003
Springer
15 years 10 months ago
Scooped, Again
The Peer-to-Peer (p2p) and Grid infrastructure communities are tackling an overlapping set of problems. In addressing these problems, p2p solutions are usually motivated by elegan...
Jonathan Ledlie, Jeffrey Shneidman, Margo I. Seltz...