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JMLR
2012
13 years 8 months ago
Low rank continuous-space graphical models
Constructing tractable dependent probability distributions over structured continuous random vectors is a central problem in statistics and machine learning. It has proven diffic...
Carl Smith, Frank Wood, Liam Paninski
INFOCOM
2012
IEEE
13 years 8 months ago
Strategizing surveillance for resource-constrained event monitoring
—Surveillance systems, such as sensor networks and surveillance camera networks, have been widely deployed to monitor events in many different scenarios. One common way to conser...
Xi Fang, Dejun Yang, Guoliang Xue
ICALP
2011
Springer
14 years 9 months ago
Improved Approximation for the Directed Spanner Problem
We present an O( √ n log n)-approximation algorithm for the problem of finding the sparsest spanner of a given directed graph G on n vertices. A spanner of a graph is a sparse ...
Piotr Berman, Arnab Bhattacharyya, Konstantin Maka...
CIVR
2007
Springer
169views Image Analysis» more  CIVR 2007»
16 years 16 days ago
Whitened LDA for face recognition
Over the years, many Linear Discriminant Analysis (LDA) algorithms have been proposed for the study of high dimensional data in a large variety of problems. An intrinsic limitatio...
Vo Dinh Minh Nhat, Sungyoung Lee, Hee Yong Youn
HYBRID
2007
Springer
16 years 15 days ago
Optimal Switches in Multi-inventory Systems
Given a switched multi–inventory system we wish to find the optimal schedule of the resets to maintain the system in a safe operating interval, while minimizing a function relat...
Dario Bauso