منابع مشابه
α - Molecules
Within the area of applied harmonic analysis, various multiscale systems such as wavelets, ridgelets, curvelets, and shearlets have been introduced and successfully applied. The key property of each of those systems are their (optimal) approximation properties in terms of the decay of the L-error of the best N-term approximation for a certain class of functions. In this paper, we introduce the ...
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The novel framework of parabolic molecules provides for the first time a unifying framework for (sparse) approximation properties of directional representation systems by, in particular, including curvelets and shearlets. However, the considered common bracket is parabolic scaling, which excludes systems such as ridgelets and wavelets. In this paper, we therefore provide a generalization of thi...
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ژورنال
عنوان ژورنال: Applied and Computational Harmonic Analysis
سال: 2016
ISSN: 1063-5203
DOI: 10.1016/j.acha.2015.10.009