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Pré-Publication, Document De Travail Année : 2020

Approximating the Total Variation with Finite Differences or Finite Elements

Résumé

We present and compare various types of discretizations which have been proposed to approximate the total variation (mostly, of a grey-level image in two dimensions). We discuss the properties of finite differences and finite elements based approach and compare their merits, in particular in terms of error estimates and quality of the reconstruction.
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Dates et versions

hal-02959358 , version 1 (06-10-2020)
hal-02959358 , version 2 (28-10-2020)

Identifiants

  • HAL Id : hal-02959358 , version 1

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Antonin Chambolle, Thomas Pock. Approximating the Total Variation with Finite Differences or Finite Elements. 2020. ⟨hal-02959358v1⟩
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