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NAR
2008
112views more  NAR 2008»
15 years 4 months ago
AAindex: amino acid index database, progress report 2008
AAindex is a database of numerical indices representing various physicochemical and biochemical properties of amino acids and pairs of amino acids. We have added a collection of p...
Shuichi Kawashima, Piotr Pokarowski, Maria Pokarow...
PR
2008
97views more  PR 2008»
15 years 4 months ago
SVD based initialization: A head start for nonnegative matrix factorization
We describe Nonnegative Double Singular Value Decomposition (NNDSVD), a new method designed to enhance the initialization stage of nonnegative matrix factorization (NMF). NNDSVD c...
Christos Boutsidis, Efstratios Gallopoulos
PR
2006
107views more  PR 2006»
15 years 4 months ago
Pyramid segmentation algorithms revisited
The main goal of this work is to compare pyramidal structures proposed to solve segmentation tasks. Segmentation algorithms based on regular and irregular pyramids are described, ...
Rebeca Marfil, Luis Molina-Tanco, Antonio Bandera,...
PR
2006
89views more  PR 2006»
15 years 4 months ago
Gaussian fields for semi-supervised regression and correspondence learning
Gaussian fields (GF) have recently received considerable attention for dimension reduction and semi-supervised classification. In this paper we show how the GF framework can be us...
Jakob J. Verbeek, Nikos A. Vlassis
ISCI
2007
117views more  ISCI 2007»
15 years 4 months ago
Cognitive high level information fusion
Fusion of sensor and communication data currently can only be performed at a late processing stage after sensor and information are formulated as logical statements at appropriate...
Leonid I. Perlovsky