Image Processing

L0-Optimization for Channel and DOA Sparse Estimation

Publié le - International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)

Auteurs : Adilson Chinatto, Emmanuel Soubies, Cynthia Junqueira, Joâo M. T. Romano, Pascal Larzabal, Jean-Pierre Barbot, Laure Blanc-Féraud

This paper is devoted to two classical sparse problems in array processing: Channel estimation and DOA estimation. It is shown after some background and some recent results in l0 optimization how this latter can be used, at the same computational cost, in order to obtain improvement in comparison with l1 optimization for sparse estimation.