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» Fast computation of special resultants
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CGF
2005
155views more  CGF 2005»
15 years 6 months ago
Light Waving: Estimating Light Positions From Photographs Alone
We present an algorithm to automatically estimate three-dimensional light positions from an unordered set of images. We collect images using a single stationary camera while manua...
Holger Winnemöller, Ankit Mohan, Jack Tumblin...
TSP
2008
122views more  TSP 2008»
15 years 6 months ago
Quality of Service and Max-Min Fair Transmit Beamforming to Multiple Cochannel Multicast Groups
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
Eleftherios Karipidis, Nikos D. Sidiropoulos, Zhi-...
COMGEO
2008
ACM
15 years 6 months ago
Encompassing colored planar straight line graphs
Consider a planar straight line graph (PSLG), G, with k connected components, k 2. We show that if no component is a singleton, we can always find a vertex in one component that s...
Ferran Hurtado, Mikio Kano, David Rappaport, Csaba...
JCSS
2010
112views more  JCSS 2010»
15 years 5 months ago
Towards a dichotomy for the Possible Winner problem in elections based on scoring rules
To make a joint decision, agents (or voters) are often required to provide their preferences as linear orders. To determine a winner, the given linear orders can be aggregated acc...
Nadja Betzler, Britta Dorn
PVM
2010
Springer
15 years 5 months ago
Enabling Concurrent Multithreaded MPI Communication on Multicore Petascale Systems
With the ever-increasing numbers of cores per node on HPC systems, applications are increasingly using threads to exploit the shared memory within a node, combined with MPI across ...
Gábor Dózsa, Sameer Kumar, Pavan Bal...