Recherche - Archive ouverte HAL Accéder directement au contenu

Filtrer vos résultats

46 résultats
Page :
triés par
Image document

Accelerated Iterative Regularization via Dual Diagonal Descent

 Luca Calatroni , Guillaume Garrigos , Lorenzo Rosasco , Silvia Villa
SIAM Journal on Optimization, 2021, 31 (1), pp.754-784. ⟨10.1137/19M1308888⟩
Article dans une revue hal-03195616v1
Image document

Non-convex Super-resolution of OCT images via sparse representation

 Gabriele Scrivanti , Luca Calatroni , Serena Morigi , Lindsay Nicholson , Alin Achim
2021 IEEE 18th International Symposium on Biomedical Imaging (ISBI), Apr 2021, Nice, France
Communication dans un congrès hal-02978016v1

On and beyond Total Variation regularisation in imaging: the role of space variance

 Monica Pragliola , Luca Calatroni , Alessandro Lanza , Fiorella Sgallari
SIAM Review, 2023, pp.601-685. ⟨10.1137/21M1410683⟩
Article dans une revue hal-03195612v1

ADMM-Based Residual Whiteness Principle for Automatic Parameter Selection in Single Image Super-Resolution Problems

 Monica Pragliola , Luca Calatroni , Alessandro Lanza , Fiorella Sgallari
Journal of Mathematical Imaging and Vision, 2022
Article dans une revue hal-03341769v1
Image document

A hybrid approach combining cnns and variational modelling for blind image denoising

 Rim Rekik Dit Nekhili , Xavier Descombes , Luca Calatroni
2022
Pré-publication, Document de travail hal-03596605v1

Visual illusions via neural dynamics: Wilson-Cowan-type models and the efficient representation principle

 Marcelo Bertalmio , Luca Calatroni , Valentina Franceschi , Benedetta Franceschiello , Alexander Gomez-Villa , et al.
Journal of Neurophysiology, 2020, 123 (5), pp.1606-1618. ⟨10.1152/jn.00488.2019⟩
Article dans une revue hal-02199928v1

A cortical-inspired sub-Riemannian model for Poggendorff-type visual illusions

 Emre Baspinar , Luca Calatroni , Valentina Franceschi , Dario Prandi
Journal of Imaging, 2021, ⟨10.3390/jimaging7030041⟩
Article dans une revue hal-03126841v1

Adaptive parameter selection for weighted-TV image reconstruction problems

 Luca Calatroni , Alessandro Lanza , Monica Pragliola , Fiorella Sgallari
NCMIP 2019 - 9th International Conference on New Computational Methods for Inverse Problems, May 2021, Cachan, France. pp.012003, ⟨10.1088/1742-6596/1476/1/012003⟩
Communication dans un congrès hal-03141109v1

Efficient $\ell^0$ gradient-based Super Resolution for simplified image segmentation

 Pasquale Cascarano , Luca Calatroni , Elena Loli Piccolomini
IEEE Transactions on Computational Imaging, 2021, 7, pp.399-408. ⟨10.1109/TCI.2021.3070720⟩
Article dans une revue hal-03195615v1
Image document

Whiteness-based bilevel learning of regularization parameters in imaging

 Carlo Santambrogio , Monica Pragliola , Alessandro Lanza , Marco Donatelli , Luca Calatroni
2024
Pré-publication, Document de travail hal-04497612v1

A mobility-SAV approach for a Cahn-Hilliard equation with degenerate mobilities

 Elie Bretin , Luca Calatroni , Simon Masnou
Discrete and Continuous Dynamical Systems - Series S, 2023, ⟨10.3934/dcdss.2023177⟩
Article dans une revue hal-04294086v1
Image document

Stochastic gradient descent for linear inverse problems in variable exponent Lebesgue spaces

 Marta Lazzaretti , Zeljko Kereta , Claudio Estatico , Luca Calatroni
IX conference on Scale Space and Variational Methods in Computer Vision 2023, May 2023, Santa margherita di Pula, Italy. pp.457-470, ⟨10.1007/978-3-031-31975-4_35⟩
Communication dans un congrès hal-04031273v1
Image document

Modular-proximal gradient algorithms in variable exponent Lebesgue spaces

 Marta Lazzaretti , Luca Calatroni , Claudio Estatico
SIAM Journal on Scientific Computing, 2022
Article dans une revue hal-03476299v1

Residual whiteness principle for automatic parameter selection in $\ell_2$-$\ell_2$ image super-resolution problems

 Monica Pragliola , Luca Calatroni , Alessandro Lanza , Fiorella Sgallari
2021
Pré-publication, Document de travail hal-03195617v1
Image document

Fluctuation-based deconvolution in fluorescence microscopy using plug-and-play denoisers

 Vasiliki Stergiopoulou , Subhadip Mukherjee , Luca Calatroni , Laure Blanc-Féraud
Scale Space and Variational Methods in Computer Vision, May 2023, Sardinia, Italy. pp.498-510, ⟨10.1007/978-3-031-31975-4_38⟩
Communication dans un congrès hal-04038738v1

Constrained and Unconstrained Inverse Potts Modelling for Joint Image Super-Resolution and Segmentation

 Dario Mylonopoulos , Pasquale Cascarano , Luca Calatroni , Elena Loli Piccolomini
Image Processing On Line, 2022, 12, pp.92-110. ⟨10.5201/ipol.2022.393⟩
Article dans une revue hal-03856059v1
Image document

COL0RME: COvariance-based $\ell_0$ super-Resolution Microscopy with intensity Estimation

 Vasiliki Stergiopoulou , José Henrique de M Goulart , Sébastien Schaub , Luca Calatroni , Laure Blanc-Féraud
ISBI 2021 - 18th IEEE International Symposium on Biomedical Imaging, Apr 2021, Nice (Virtual), France. pp.349-352, ⟨10.1109/ISBI48211.2021.9433976⟩
Communication dans un congrès hal-02979332v2

A scaled, inexact and adaptive Fast Iterative Soft-Thresholding Algorithm for convex image restoration

 Luca Calatroni , Simone Rebegoldi
Computational Science and Its Applications – ICCSA 2021: 21st International Conference, Sep 2021, Cagliari, Italy. ⟨10.1109/ICCSA54496.2021.00017⟩
Communication dans un congrès hal-03195613v1
Image document

Backtracking strategies for accelerated descent methods with smooth composite objectives

 Luca Calatroni , Antonin Chambolle
SIAM Journal on Optimization, 2019, 29 (3), pp.1772--1798
Article dans une revue hal-01596103v1
Image document

Analysis and optimisation of a variational model for mixed Gaussian and Salt & Pepper noise removal

 Luca Calatroni , Kostas Papafitsoros
2018
Pré-publication, Document de travail hal-01889729v1
Image document

Accelerated iterative regularization via dual diagonal descent

 Luca Calatroni , Guillaume Garrigos , Lorenzo Rosasco , Silvia Villa
2019
Pré-publication, Document de travail hal-02423682v1

Scaled, inexact and adaptive generalized FISTA for strongly convex optimization

 Simone Rebegoldi , Luca Calatroni
SIAM Journal on Optimization, 2022
Article dans une revue hal-03110210v1

Residual Whiteness Principle for Automatic Parameter Selection in ℓ2 - ℓ2 Image Super-Resolution Problems

 Luca Calatroni , Monica Pragliola , Alessandro Lanza , Fiorella Sgallari
SSVM 2021 - 8th International Conference on Scale Space and Variational Methods in Computer Vision, May 2021, Virtual Event, France. pp.476-488, ⟨10.1007/978-3-030-75549-2_38⟩
Communication dans un congrès hal-03453681v1
Image document

Beyond $\ell$1 sparse coding in V1

 Ilias Rentzeperis , Luca Calatroni , Laurent Perrinet , Dario Prandi
PLoS Computational Biology, 2023, 19 (9), pp.e1011459. ⟨10.1371/journal.pcbi.1011459⟩
Article dans une revue hal-04227569v1
Image document

A cortical-inspired model for orientation-dependent contrast perception: a link with Wilson-Cowan equations

 Marcelo Bertalmío , Luca Calatroni , Valentina Franceschi , Benedetta Franceschiello , Dario Prandi
SSVM 2019: Scale Space and Variational Methods in Computer Vision, Jun 2019, Hofgeismar, Germany. ⟨10.1007/978-3-030-22368-7_37⟩
Communication dans un congrès hal-02066714v1

Fast and stable schemes for non-linear osmosis filtering

 Luca Calatroni , S. Morigi , S. Parisotto , G.A. Recupero
Computers & Mathematics with Applications, 2023, 133, pp.30-47. ⟨10.1016/j.camwa.2022.12.015⟩
Article dans une revue hal-04294091v1
Image document

Algorithmic unfolding for image reconstruction and localization problems in fluorescence microscopy

 Silvia Bonettini , Luca Calatroni , Danilo Pezzi , Marco Prato
2024
Pré-publication, Document de travail hal-04527400v1
Image document

Dynamic Sampling Schemes for Optimal Noise Learning Under Multiple Nonsmooth Constraints

 Luca Calatroni , Juan De Los Reyes , Carola-Bibiane Schönlieb
26th Conference on System Modeling and Optimization (CSMO), Sep 2013, Klagenfurt, Austria. pp.85-95, ⟨10.1007/978-3-662-45504-3_8⟩
Communication dans un congrès hal-01286460v1
Image document

Variational Osmosis for Non-linear Image Fusion

 Simone Parisotto , Luca Calatroni , Aurélie Bugeau , Nicolas Papadakis , Carola-Bibiane Schönlieb
IEEE Transactions on Image Processing, 2020, 29, pp.5507-5516
Article dans une revue hal-02314972v1
Image document

Off-the-grid regularisation for Poisson inverse problems

 Marta Lazzaretti , Claudio Estatico , Alejandro Melero Carrillo , Luca Calatroni
2024
Pré-publication, Document de travail hal-04527398v1
Page :