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TWC
2010
13 years 2 months ago
Cellular Systems with Non-Regenerative Relaying and Cooperative Base Stations
In this paper, the performance of cellular networks with joint multicell processing and dedicated relay terminals is investigated. It is assumed that each relay terminal is capable...
Oren Somekh, Osvaldo Simeone, Harold Vincent Poor,...
MMAS
2011
Springer
12 years 10 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
EGH
2011
Springer
12 years 7 months ago
Simpler and Faster HLBVH with Work Queues
A recently developed algorithm called Hierachical Linear Bounding Volume Hierarchies (HLBVH) has demonstrated the feasibility of reconstructing the spatial index needed for ray tr...
Kirill Garanzha, Jacopo Pantaleoni, David K. McAll...
CVPR
2012
IEEE
11 years 10 months ago
Keystone correction for stereoscopic cinematography
Keystone distortion is a long-standing problem in stereoscopic cinematography. Keystone distortion occurs when a stereoscopic camera toes in to achieve a desirable disparity distr...
Feng Liu, Yuzhen Niu, Hailin Jin
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
14 years 7 months ago
Sharing aggregate computation for distributed queries
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
Ryan Huebsch, Minos N. Garofalakis, Joseph M. Hell...