
87
Computational Vision and Medical Image Processing IV – João Tavares & Natal Jorge (eds)
© 2014 Taylor & Francis Group, London, ISBN 978-1-138-00081-0
Sparse and robust signal reconstruction algorithm
Sandra V.B. Jardim
Information Technology Department, Polytechnic Institute of Tomar, Tomar, Portugal
ABSTRACT: Many problems in signal processing and statistical inference are based on finding a sparse
solution to an undetermined linear system. The reference approach to this problem of finding sparse sig-
nal representations, on overcomplete dictionaries leads to convex unconstrained optimization problems,
with a quadratic term
2
, for the adjustment ...