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- Roberto F. Leonarduzzi, Herwig Wendt, +4 authors María Eugenia Torres
- 2017

Multifractal analysis studies signals, functions, images or fields via the fluctuations of their local regularity along time or space,which capture crucial features of their temporal/spatial… (More)

- Sandrine Anthoine, J.-F. Aujol, Yannick Boursier, Clothilde Mélot, Jean-Francois. Aujol
- 2017

Cone-Beam Computerized Tomography (CBCT) and Positron Emission Tomography (PET) are two complementary medical imaging modalities providing respectively anatomic and metabolic information of a… (More)

- Sandrine Anthoine, J.-F. Aujol, Yannick Boursier, Clothilde Mélot, Jean-Francois. Aujol
- 2011

Cone-Beam Computerized Tomography (CBCT) and Positron Emission Tomography (PET) are two complementary medical imaging modalities providing respectively anatomic and metabolic information of a… (More)

We propose a new method for performing multiscale analysis of functions defined on the vertices of a finite connected weighted graph. Our approach relies on a random spanning forest to downsample the… (More)

- J M Cornu, Clothilde Mélot, Sabrina Benbouzid, Laurence Peyrat, Calin Ciofu, François Haab
- Progres en urologie : journal de l'Association…
- 2014

Our goal is to study the multifractal properties of functions of a given family which have few non vanishing wavelet coefficients. We compute at each point the pointwise Hölder exponent of these… (More)

- Fabienne Castell, Clément Laurent, Clothilde Mélot
- J. London Math. Society
- 2014

Let (Xt, t ≥ 0) be an α-stable random walk with values in Z. Let lt(x) = ∫ t 0 δx(Xs)ds be its local time. For p > 1, not necessarily integer, It = ∑ x l p t (x) is the so-called p-fold… (More)

- Roberto F. Leonarduzzi, Herwig Wendt, Patrice Abry, Stéphane Jaffard, Clothilde Mélot
- IEEE Transactions on Signal Processing
- 2017

Multifractal analysis has become a standard signal processing tool, for which a promising new formulation, the <inline-formula><tex-math notation="LaTeX">$\boldsymbol… (More)

Our goal is to study the multifractal properties of functions of a given family which have few non vanishing wavelet coefficients. They are indeed somehow ”sparse” signals. We compute at each point… (More)

- Sandrine Anthoine, Jean-François Aujol, Yannick Boursier, Clothilde Mélot
- 2011 18th IEEE International Conference on Image…
- 2011

Cone Beam Computerized Tomography (CBCT) and Positron Emission Tomography (PET) Scans are medical imaging devices that require solving ill-posed inverse problems. The models considered come directly… (More)

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