Topological gradient for a fourth order operator used in image analysis

Aubert, Gilles; Drogoul, Audric

ESAIM: Control, Optimisation and Calculus of Variations, Volume 21 (2015) p. 1120-1149

Topological gradient for fourth-order PDE and application to the detection of fine structures in 2D images

Aubert, Gilles; Drogoul, Audric

Comptes Rendus. Mathématique, Volume 352 (2014) p. 609-613