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ECCC
2011
223views ECommerce» more  ECCC 2011»
15 years 1 months ago
A Case of Depth-3 Identity Testing, Sparse Factorization and Duality
Polynomial identity testing (PIT) problem is known to be challenging even for constant depth arithmetic circuits. In this work, we study the complexity of two special but natural ...
Chandan Saha, Ramprasad Saptharishi, Nitin Saxena
TOMCCAP
2011
145views more  TOMCCAP 2011»
15 years 1 months ago
A framework for cross-layer optimization of video streaming in wireless networks
tion problem in two steps. First, we formulate an abstract optimization problem for video streaming in wireless networks in general. This formulation exposes the important interact...
Cheng-Hsin Hsu, Mohamed Hefeeda
PROCEDIA
2010
89views more  PROCEDIA 2010»
15 years 1 months ago
A mimetic tensor artificial viscosity method for arbitrary polyhedral meshes
We construct a new mimetic tensor artificial viscosity on general polyhedral meshes. The tensor viscosity is designed as a discretization of the differential operator div (u) with...
Konstantin Lipnikov, Mikhail J. Shashkov
SIAMIS
2010
109views more  SIAMIS 2010»
15 years 1 months ago
Application of the Topological Gradient Method to Color Image Restoration
The goal of this note is to generalize the topological gradient method, applied to restoration and classification problems for grey-level images, to color images. We illustrate ou...
Didier Auroux, Lamia Jaafar Belaid, Badreddine Rja...
ICASSP
2011
IEEE
14 years 10 months ago
A simple network-power-saving resource allocation method for OFDMA cellular networks with multiple relays
General signal model for orthogonal-frequency-division multiple access cellular networks with multiple amplify-and-forward relays has been introduced. An optimization problem mini...
Jingon Joung, Sumei Sun