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- Université de Bretagne OccidentaleFR51 papers
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6 papers · 1 filter
Hyperbolic wavelet analysis of classical isotropic and anisotropic Besov-Sobolev spaces
M. Schäfer, T. Ullrich, B. Vedel
In this paper we introduce new function spaces which we call anisotropic hyperbolic Besov and Triebel-Lizorkin spaces. Their definition is based on a hyperbolic Littlewood-Paley an…
Spatial-Frequency Domain Nonlocal Total Variation for Image Denoising
Haijuan Hu, Jacques Froment, Baoyan Wang +1
Following the pioneering works of Rudin, Osher and Fatemi on total variation (TV) and of Buades, Coll and Morel on non-local means (NL-means), the last decade has seen a large numb…
On the separation of shape and temporal patterns in time series -Application to signature authentication-
Pierre-François Marteau
In this article we address the problem of separation of shape and time components in time series. The concept ofshape that we tackle is termed temporally neutral to consider that i…
Deep Learning for Classification of Hyperspectral Data: A Comparative Review
Nicolas Audebert, Bertrand Saux, Sébastien Lefèvre
In recent years, deep learning techniques revolutionized the way remote sensing data are processed. Classification of hyperspectral data is no exception to the rule, but has intrin…
A Real eigenvector of Circulant matrices and a conjecture of Ryser
Luis H. Gallardo
We prove that there is no circulant Hadamard matrix with first row of order , under a condition about a sum of scalar products of rows of two other…
On -convergence of the Biggins martingale with complex parameter
Alexander Iksanov, Xingang Liang, Quansheng Liu
We prove necessary and sufficient conditions for the -convergence, , of the Biggins martingale with complex parameter in the supercritical branching random walk. The resu…