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Gabor frames and topology-based strategies for astronomical images


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Opened Access Gabor frames and topology-based strategies for astronomical images
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Author: Onchis, Darian M.
Real Jurado, Pedro
Gillich, Gilbert-Rainer
Date: 2010
Published in: Image-A : Applicable Mathematics in Image Engineering, 1 (3), 159-166
Document type: Article
Abstract: The topic of this paper is the description of procedures to remove the fringes from complicated astronomical data sets, where the interference pattern is not regular, combining topological and Gabor-based analysis. A first method is given and it involves two successive steps: first we perform an identification of the fringes using Gabor frames and latter we filter the connected components using computational topology methods. This is a new approach trying to get the benefit of filtering the harmonic representation by means of topological methods.
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