14–25 Oct 2019
Institut Pascal, Orsay. Paris
Europe/Zurich timezone

Path operators for thin objects restoration

14 Oct 2019, 14:00
1h
Institut Pascal, Orsay. Paris

Institut Pascal, Orsay. Paris

Speaker

Prof. Talbot Hugues (CentraleSupélec, Université Paris-Saclay)

Description

In this talk we will present path operators, which are efficient recursive mathematical morphology connected operators that use paths as structuring elements. These operators are designed to preserve thin objects in images, such as hair, cilia, vessels, oriented textures, etc, which are traditionally very difficult to filter using classical operators in many settings. By combining these filters, we show how we can propose a vesselness operator with significant better performance than the traditional linear operators based on the Hessian (Frangi, Sato, etc) or the structure tensor. We also show recent work on how to use these operators as regularizers in variational frameworks for image restoration, in the context of discrete calculus.

Presentation materials