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Independent Component Analysis and Blind Signal Separation
Author(s) -
G. Patanchon,
Jacques Delabrouille,
J.-F. Cardoso
Publication year - 2004
Publication title -
lecture notes in computer science
Language(s) - English
Resource type - Book series
SCImago Journal Rank - 0.249
H-Index - 400
eISSN - 1611-3349
pISSN - 0302-9743
DOI - 10.1007/b100528
Subject(s) - blind signal separation , independent component analysis , cmb cold spot , cosmic microwave background , component (thermodynamics) , separation (statistics) , computer science , spectral density , signal (programming language) , source separation , astrophysics , pattern recognition (psychology) , artificial intelligence , physics , algorithm , telecommunications , optics , machine learning , channel (broadcasting) , thermodynamics , anisotropy , programming language
submitted to ICA 2004 conference on Independent Component Analysis - Coll. Planck-HFIThis paper presents and discusses the application of blind source separation to astrophysical data obtained with the WMAP satellite. Blind separation permits to identify and isolate a component compatible with CMB emission, and to measure both its spatial power spectrum and its emission law. Both are found to be compatible with the present concordance cosmological model. This application demonstrates the usefulness of blind ICA for cosmological applications

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