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» Algorithms for Non-negative Matrix Factorization
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TSP
2008
113views more  TSP 2008»
13 years 7 months ago
Avoiding Divergence in the Shalvi-Weinstein Algorithm
The most popular algorithms for blind equalization are the constant-modulus algorithm (CMA) and the ShalviWeinstein algorithm (SWA). It is well-known that SWA presents a higher co...
Maria D. Miranda, Magno T. M. Silva, Victor H. Nas...
HPCC
2007
Springer
14 years 1 months ago
A Block JRS Algorithm for Highly Parallel Computation of SVDs
This paper presents a new algorithm for computing the singular value decomposition (SVD) on multilevel memory hierarchy architectures. This algorithm is based on one-sided JRS iter...
Mostafa I. Soliman, Sanguthevar Rajasekaran, Reda ...
CORR
2007
Springer
132views Education» more  CORR 2007»
13 years 7 months ago
Fast Algorithm and Implementation of Dissimilarity Self-Organizing Maps
In many real-world applications, data cannot be accurately represented by vectors. In those situations, one possible solution is to rely on dissimilarity measures that enable a se...
Brieuc Conan-Guez, Fabrice Rossi, Aïcha El Go...
ISCAS
2006
IEEE
96views Hardware» more  ISCAS 2006»
14 years 1 months ago
On the initialization of the DNMF algorithm
— A subspace supervised learning algorithm named Discriminant Non-negative Matrix Factorization (DNMF) has been recently proposed for classifying human facial expressions. It dec...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
CIMAGING
2010
202views Hardware» more  CIMAGING 2010»
13 years 9 months ago
An optimal algorithm for reconstructing images from binary measurements
We have studied a camera with a very large number of binary pixels referred to as the gigavision camera [1] or the gigapixel digital film camera [2, 3]. Potential advantages of th...
Feng Yang, Yue M. Lu, Luciano Sbaiz, Martin Vetter...