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.