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ARTCOM
2009
IEEE
13 years 6 months ago
Restoration of Color Halftone Image by Using Fast Inverse Half Toning Algorithm
H. B. Kekre, Sanjay R. Sange, A. K. Kolhe, B. L. M...
ICML
2007
IEEE
14 years 9 months ago
Online discovery of similarity mappings
We consider the problem of choosing, sequentially, a map which assigns elements of a set A to a few elements of a set B. On each round, the algorithm suffers some cost associated ...
Alexander Rakhlin, Jacob Abernethy, Peter L. Bartl...
IUI
2009
ACM
14 years 5 months ago
Learning to recognize valuable tags
Many websites use tags as a mechanism for improving item metadata through collective user effort. Users of tagging systems often apply far more tags to an item than a system can ...
Shilad Sen, Jesse Vig, John Riedl
PODS
2012
ACM
276views Database» more  PODS 2012»
11 years 11 months ago
Randomized algorithms for tracking distributed count, frequencies, and ranks
We show that randomization can lead to significant improvements for a few fundamental problems in distributed tracking. Our basis is the count-tracking problem, where there are k...
Zengfeng Huang, Ke Yi, Qin Zhang
INFOCOM
2012
IEEE
11 years 11 months ago
A robust boundary detection algorithm based on connectivity only for 3D wireless sensor networks
—In this work we develop a distributed boundary detection algorithm, dubbed Coconut, for 3D wireless sensor networks. It first constructs a tetrahedral structure to delineate th...
Hongyu Zhou, Hongyi Wu, Miao Jin