Display Abstract

Title Finite-dimensional attractors for the Bertozzi-Esedoglu-Gillette-Cahn-Hilliard equation in image inpainting

Name Hussein Fakih
Country France
Email Hussein.Fakih@math.univ-poitiers.fr
Co-Author(s) Laurence Cherfils and Alain Miranville,
Submit Time 2014-01-20 07:23:51
Session
Special Session 47: Mathematical modelling and numerical methods for phase-field problems
Contents
In this article, we are interested in the study of the asymptotic behavior, in terms of finite-dimensional attractors, of a generalization of the Cahn-Hilliard equation with a fidelity term (integrated over $\Omega\backslash D$ instead of the entire domain $\Omega$, $D \subset \subset \Omega$). Such a model has, in particular, applications in image inpainting. The difficulty here is that we no longer have the conservation of mass, i.e. of the spatial average of the order parameter $u$, as in the Cahn-Hilliard equation. Instead, we prove that the spatial average of $u$ is dissipative. We finally give some numerical simulations which confirm previous ones on the efficiency of the model.