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» On global and local convergence of half-quadratic algorithms
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DCOSS
2011
Springer
12 years 7 months ago
A local average consensus algorithm for wireless sensor networks
—In many application scenarios sensors need to calculate the average of some local values, e.g. of local measurements. A possible solution is to rely on consensus algorithms. In ...
Konstantin Avrachenkov, Mahmoud El Chamie, Giovann...
GECCO
2003
Springer
14 years 25 days ago
Quad Search and Hybrid Genetic Algorithms
A bit climber using a Gray encoding is guaranteed to converge to a global optimum in fewer than ¢¤£¦¥¨§© evaluations on unimodal 1-D functions and on multi-dimensional sph...
L. Darrell Whitley, Deon Garrett, Jean-Paul Watson
TON
2010
279views more  TON 2010»
13 years 6 months ago
Distributed algorithms for minimum cost multicast with network coding
— We adopt the network coding approach to achieve minimum-cost multicast in interference-limited wireless networks where link capacities are functions of the signal-to-noise-plus...
Yufang Xi, Edmund M. Yeh
TCOM
2010
94views more  TCOM 2010»
13 years 6 months ago
Blind carrier phase acquisition and tracking for 8-VSB signals
—A blind carrier phase derotator can be employed to correct and track carrier phase offset either before or after equalization in a blind adaptive receiver. This work proposes a ...
Jenq-Tay Yuan, Yong-Fu Huang
IJCV
2012
11 years 10 months ago
Globally Optimal Estimation of Nonrigid Image Distortion
Abstract Image alignment in the presence of non-rigid distortions is a challenging task. Typically, this involves estimating the parameters of a dense deformation field that warps...
Yuandong Tian, Srinivasa G. Narasimhan