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» The Computational Complexity of Linear Optics
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ICML
2007
IEEE
16 years 4 months ago
Full regularization path for sparse principal component analysis
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a particular linear combination of the input variables while constraining the numb...
Alexandre d'Aspremont, Francis R. Bach, Laurent El...
MOBIHOC
2008
ACM
16 years 3 months ago
Optimal relay assignment for cooperative communications
Recently, cooperative communications, in the form of keeping each node with a single antenna and having a node exploit a relay node's antenna, is shown to be a promising appr...
Yi Shi, Sushant Sharma, Y. Thomas Hou, Sastry Komp...
CVPR
2010
IEEE
16 years 11 days ago
Spike Train Driven Dynamical Models for Human Actions
We investigate dynamical models of human motion that can support both synthesis and analysis tasks. Unlike coarser discriminative models that work well when action classes are ...
Michalis Raptis, Kamil Wnuk , Stefano Soatto
ICC
2007
IEEE
171views Communications» more  ICC 2007»
15 years 10 months ago
Partially Overlapped Channel Assignment for Multi-Channel Wireless Mesh Networks
— The aggregate capacity of wireless mesh networks can be increased by the use of multiple frequency channels and multiple network interface cards in each router. Recent results ...
Amir Hamed Mohsenian Rad, Vincent W. S. Wong
GECCO
2007
Springer
209views Optimization» more  GECCO 2007»
15 years 10 months ago
Kernel based automatic clustering using modified particle swarm optimization algorithm
This paper introduces a method for clustering complex and linearly non-separable datasets, without any prior knowledge of the number of naturally occurring clusters. The proposed ...
Ajith Abraham, Swagatam Das, Amit Konar