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SI3D
2009
ACM
14 years 1 months ago
Approximating dynamic global illumination in image space
Physically plausible illumination at real-time framerates is often achieved using approximations. One popular example is ambient occlusion (AO), for which very simple and efficie...
Tobias Ritschel, Thorsten Grosch, Hans-Peter Seide...
IPSN
2009
Springer
14 years 1 months ago
Approximating sensor network queries using in-network summaries
In this work we present new in-network techniques for communication efficient approximate query processing in wireless sensornets. We use a model-based approach that constructs a...
Alexandra Meliou, Carlos Guestrin, Joseph M. Helle...
TAMC
2009
Springer
14 years 1 months ago
Approximation and Hardness Results for Label Cut and Related Problems
We investigate a natural combinatorial optimization problem called the Label Cut problem. Given an input graph G with a source s and a sink t, the edges of G are classified into ...
Peng Zhang, Jin-yi Cai, Linqing Tang, Wenbo Zhao
GECCO
2007
Springer
162views Optimization» more  GECCO 2007»
14 years 27 days ago
Using pair approximations to predict takeover dynamics in spatially structured populations
The topological properties of a network directly impact the flow of information through a system. For example, in natural populations, the network of inter-individual contacts aff...
Joshua L. Payne, Margaret J. Eppstein
EMSOFT
2004
Springer
14 years 3 days ago
Conservative approximations for heterogeneous design
Embedded systems are electronic devices that function in the context of a real environment, by sensing and reacting to a set of stimuli. Because of their close interaction with th...
Roberto Passerone, Jerry R. Burch, Alberto L. Sang...