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TSP
2010
13 years 2 months ago
Distributed spectrum sensing for cognitive radio networks by exploiting sparsity
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
Juan Andrés Bazerque, Georgios B. Giannakis
STOC
2002
ACM
177views Algorithms» more  STOC 2002»
14 years 7 months ago
Similarity estimation techniques from rounding algorithms
A locality sensitive hashing scheme is a distribution on a family F of hash functions operating on a collection of objects, such that for two objects x, y, PrhF [h(x) = h(y)] = si...
Moses Charikar
ICIP
2009
IEEE
13 years 5 months ago
Shapes as empirical distributions
We address the problem of shape based classification. We interpret the shape of an object as a probability distribution governing the location of the points of the object. An imag...
Bernardo Rodrigues Pires, José M. F. Moura
ICPR
2004
IEEE
14 years 8 months ago
Estimating the Stretching Characteristics of Fiber Bundles in Microscopic Images
Collagen fiber bundles are important constituent parts of biological soft tissues, such as tendons, blood vessels and skin.The single collagen fibers within a bundle have a certai...
Gerhard Holzapfel, Horst Bischof, Pierre Elbischge...
SDM
2009
SIAM
157views Data Mining» more  SDM 2009»
14 years 4 months ago
MUSK: Uniform Sampling of k Maximal Patterns.
Recent research in frequent pattern mining (FPM) has shifted from obtaining the complete set of frequent patterns to generating only a representative (summary) subset of frequent ...
Mohammad Al Hasan, Mohammed Javeed Zaki