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» Randomness, Stochasticity and Approximations
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JMIV
2002
72views more  JMIV 2002»
15 years 5 months ago
Estimating Overcomplete Independent Component Bases for Image Windows
Estimating overcomplete ICA bases for image windows is a difficult problem. Most algorithms require the estimation of values of the independent components which leads to computatio...
Aapo Hyvärinen, Mika Inki
ICASSP
2011
IEEE
14 years 9 months ago
Polynomial expansion detector for uniform linear arrays
In this paper, we design a low complexity linear MMSE decoder to recover the signal transmitted by M mobile users to a base station equipped with N receiving antennas, arranged as...
Antonia Maria Masucci, Øyvind Ryan, M&eacut...
INFOCOM
2012
IEEE
13 years 8 months ago
Constant-approximation for target coverage problem in wireless sensor networks
—When a large amount of sensors are randomly deployed into a field, how can we make a sleep/activate schedule for sensors to maximize the lifetime of target coverage in the fie...
Ling Ding, Weili Wu, James Willson, Lidong Wu, Zai...
ATAL
2006
Springer
15 years 9 months ago
Decentralized planning under uncertainty for teams of communicating agents
Decentralized partially observable Markov decision processes (DEC-POMDPs) form a general framework for planning for groups of cooperating agents that inhabit a stochastic and part...
Matthijs T. J. Spaan, Geoffrey J. Gordon, Nikos A....
SODA
2008
ACM
82views Algorithms» more  SODA 2008»
15 years 7 months ago
A plant location guide for the unsure
This paper studies an extension of the k-median problem where we are given a metric space (V, d) and not just one but m client sets {Si V }m i=1, and the goal is to open k facili...
Barbara M. Anthony, Vineet Goyal, Anupam Gupta, Vi...