Search Results - "Chambolle, Antonin"

On the ergodic convergence rates of a first-order primal–dual algorithm by Chambolle, Antonin, Pock, Thomas

“…We revisit the proofs of convergence for a first order primal–dual algorithm for convex optimization which we have studied a few years ago. In particular, we…”
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Inexact first-order primal–dual algorithms by Rasch, Julian, Chambolle, Antonin

“…We investigate the convergence of a recently popular class of first-order primal–dual algorithms for saddle point problems under the presence of errors in the…”
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Crouzeix–Raviart Approximation of the Total Variation on Simplicial Meshes by Chambolle, Antonin, Pock, Thomas

“…We propose an adaptive implementation of a Crouzeix–Raviart-based discretization of the total variation, which has the property of approximating from below the…”
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On Total Variation Minimization and Surface Evolution Using Parametric Maximum Flows by Chambolle, Antonin, Darbon, Jérôme

“…In a recent paper Boykov et al. (LNCS, Vol. 3953, pp. 409–422, 2006 ) propose an approach for computing curve and surface evolution using a variational…”
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Korn and Poincaré-Korn inequalities for functions with a small jump set by Cagnetti, Filippo, Chambolle, Antonin, Scardia, Lucia

“…In this paper we prove a regularity and rigidity result for displacements in G S B D p , for every p > 1 and any dimension n ≥ 2 . We show that a displacement…”
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Existence and Uniqueness for a Crystalline Mean Curvature Flow by Chambolle, Antonin, Morini, Massimiliano, Ponsiglione, Marcello

“…An existence and uniqueness result, up to fattening, for a class of crystalline mean curvature flows with natural mobility is proved. The results are valid in…”
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Anisotropic tubular neighborhoods of sets by Chambolle, Antonin, Lussardi, Luca, Villa, Elena

“…Let E ⊂ R N be a compact set and C ⊂ R N be a convex body with 0 ∈ int C . We prove that the topological boundary of the anisotropic enlargement E + r C is…”
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Convergence to line and surface energies in nematic liquid crystal colloids with external magnetic field by Alouges, François, Chambolle, Antonin, Stantejsky, Dominik

“…We use the Landau-de Gennes energy to describe a particle immersed into nematic liquid crystals with a constant applied magnetic field. We derive a limit…”
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The Saturn Ring Effect in Nematic Liquid Crystals with External Field: Effective Energy and Hysteresis by Alouges, François, Chambolle, Antonin, Stantejsky, Dominik

“…In this work we consider the Landau–de Gennes model for liquid crystals with an external magnetic field to model the occurrence of the Saturn ring effect under…”
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Product of Gaussian Mixture Diffusion Models by Zach, Martin, Kobler, Erich, Chambolle, Antonin, Pock, Thomas

“…In this work, we tackle the problem of estimating the density f X of a random variable X by successive smoothing, such that the smoothed random variable Y…”
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Convergent Plug-and-Play with Proximal Denoiser and Unconstrained Regularization Parameter by Hurault, Samuel, Chambolle, Antonin, Leclaire, Arthur, Papadakis, Nicolas

“…In this work, we present new proofs of convergence for plug-and-play (PnP) algorithms. PnP methods are efficient iterative algorithms for solving image inverse…”
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Diagonal preconditioning for first order primal-dual algorithms in convex optimization by Pock, T., Chambolle, A.

“…In this paper we study preconditioning techniques for the first-order primal-dual algorithm proposed in [5]. In particular, we propose simple and easy to…”
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Preface to the Special Issue on Optimization for Data Sciences by Peyré, Gabriel, Chambolle, Antonin

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Stochastic Primal–Dual Hybrid Gradient Algorithm with Adaptive Step Sizes by Chambolle, Antonin, Delplancke, Claire, Ehrhardt, Matthias J., Schönlieb, Carola-Bibiane, Tang, Junqi

“…In this work, we propose a new primal–dual algorithm with adaptive step sizes. The stochastic primal–dual hybrid gradient (SPDHG) algorithm with constant step…”
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Anisotropic curvature-driven flow of convex sets by Caselles, Vicent, Chambolle, Antonin

“…We study in this paper the mean curvature evolution, and in particular the anisotropic mean curvature evolution, of convex sets in R N (without driving…”
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A First-Order Primal-Dual Algorithm for Convex Problems with Applications to Imaging by Chambolle, Antonin, Pock, Thomas

“…In this paper we study a first-order primal-dual algorithm for non-smooth convex optimization problems with known saddle-point structure. We prove convergence…”
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Image recovery via total variation minimization and related problems by CHAMBOLLE, A, LIONS, P.-L

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Compactness and lower semicontinuity in $GSBD by Chambolle, Antonin, Crismale, Vito

“…In this paper we prove a compactness and semicontinuity result in GSBD for sequences with bounded Griffith energy. This generalises classical results in ( G )…”
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Total roto-translational variation by Chambolle, Antonin, Pock, Thomas

“…We consider curvature depending variational models for image regularization, such as Euler’s elastica. These models are known to provide strong priors for the…”
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Existence of strong solutions to the Dirichlet problem for the Griffith energy by Chambolle, Antonin, Crismale, Vito

“…In this paper we continue the study of the Griffith brittle fracture energy minimisation under Dirichlet boundary conditions, suggested by Francfort and Marigo…”
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