Concept
Morlet wavelet
Related publications (204)
The Sparsity of Cycle Spinning for Wavelet-Based Solutions of Linear Inverse Problems
The usual explanation of the efficacy of wavelet-based methods hinges on the sparsity of many real-world objects in the wavelet domain. Yet, standard wavelet-shrinkage techniques for sparse reconstruction are not competitive in practice, one reason being t ...
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023Wavelet-Fourier CORSING techniques for multidimensional advection-diffusion-reaction equations
Fabio Nobile, Simone Brugiapaglia
We present and analyze a novel wavelet-Fourier technique for the numerical treatment of multidimensional advection–diffusion–reaction equations based on the COmpRessed SolvING (CORSING) paradigm. Combining the Petrov–Galerkin technique with the compressed ...
2020Wavelet analysis of the Besov regularity of Levy white noise
Julien René Pierre Fageot, Shayan Aziznejad
We characterize the local smoothness and the asymptotic growth rate of the Levy white noise. We do so by characterizing the weighted Besov spaces in which it is located. We extend known results in two ways. First, we obtain new bounds for the local smoothn ...
2020H0LiCOW-XI. A weak lensing measurement of the external convergence in the field of the lensed quasar B1608+656 using HST and Subaru deep imaging
Frédéric Courbin, Georges Meylan, David Richard Harvey, Austin Chandler Peel, Vivien François Bonvin, Olga Tihhonova
We investigate the environment and line of sight (LoS) of the H0LiCOW (H-0 Lenses in COSMOGRAIL's Wellspring) lens B1608+656 using Subaru Suprime-Cam and the Hubble Space Telescope (HST) to perform a weak lensing analysis. We compare three different method ...
OXFORD UNIV PRESS2020