Top-level heading

Optimization-based Multilevel Algorithm for Minimization Problems in Image Processing

Categoria
Seminari di Modellistica Differenziale Numerica
Data e ora inizio evento
Data e ora fine evento
Aula
Sala di Consiglio
Sede

Dipartimento di Matematica Guido Castelnuovo, Università Sapienza Roma

Speaker

Raymond H. Chan, Department of Mathematics, Chinese University of Hong Kong, Shatin,Hong Kong SAR, China

In this talk, we introduce a fast multilevel method for solving minimization problems arising in various image restoration problems. Different from traditional multilevel methods which solve the the minimization problems by considering their Euler-Lagrange equations, here our multilevel method directly minimizes the functionals. We will illustrate the method in various denoising and deblurring problems.