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» Algorithmics in Exponential Time
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JEI
2010
141views more  JEI 2010»
14 years 9 months ago
Contrast image correction method
A method for contrast enhancement is proposed. The algorithm is based on a local and image-dependent exponential correction. The technique aims to correct images that simultaneousl...
Raimondo Schettini, Francesca Gasparini, Silvia Co...
119
Voted
CORR
2010
Springer
114views Education» more  CORR 2010»
15 years 2 months ago
Settling the Polynomial Learnability of Mixtures of Gaussians
Given data drawn from a mixture of multivariate Gaussians, a basic problem is to accurately estimate the mixture parameters. We give an algorithm for this problem that has running ...
Ankur Moitra, Gregory Valiant
PEWASUN
2006
ACM
15 years 8 months ago
Performance evaluation of backoff algorithms in 802.11 ad-hoc networks
Understanding the performance of backoff algorithms in multihop ad hoc networks is a key feature to design efficient Medium Access Protocols for wireless networks. The 802.11 bac...
Tahiry Razafindralambo, Fabrice Valois
204
Voted
SIGMOD
2008
ACM
215views Database» more  SIGMOD 2008»
16 years 2 months ago
CSV: visualizing and mining cohesive subgraphs
Extracting dense sub-components from graphs efficiently is an important objective in a wide range of application domains ranging from social network analysis to biological network...
Nan Wang, Srinivasan Parthasarathy, Kian-Lee Tan, ...
CF
2007
ACM
15 years 6 months ago
Parallel genomic sequence-search on a massively parallel system
In the life sciences, genomic databases for sequence search have been growing exponentially in size. As a result, faster sequencesearch algorithms to search these databases contin...
Oystein Thorsen, Brian E. Smith, Carlos P. Sosa, K...