Search Results for author: Laurent Duval

Found 7 papers, 3 papers with code

Sparse Signal Reconstruction for Nonlinear Models via Piecewise Rational Optimization

no code implementations29 Oct 2020 Arthur Marmin, Marc Castella, Jean-Christophe Pesquet, Laurent Duval

We propose a method to reconstruct sparse signals degraded by a nonlinear distortion and acquired at a limited sampling rate.

Image Analysis Using a Dual-Tree $M$-Band Wavelet Transform

no code implementations27 Feb 2017 Caroline Chaux, Laurent Duval, Jean-Christophe Pesquet

We propose a 2D generalization to the $M$-band case of the dual-tree decomposition structure (initially proposed by N. Kingsbury and further investigated by I. Selesnick) based on a Hilbert pair of wavelets.

Denoising Tree Decomposition

BARCHAN: Blob Alignment for Robust CHromatographic ANalysis

no code implementations25 Feb 2017 Camille Couprie, Laurent Duval, Maxime Moreaud, Sophie Hénon, Mélinda Tebib, Vincent Souchon

Comprehensive Two dimensional gas chromatography (GCxGC) plays a central role into the elucidation of complex samples.

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