On the performance of preconditioned methods to solve \(L^p\)-norm phase unwrapping

In this paper, we analyze and evaluate suitable preconditioning techniques to improve the performance of the L^p-norm phase unwrapping method. We consider five preconditioning techniques commonly found in the literature, and analyze their performance with different sizes of wrapped-phase maps. Keywords.- Phase unwrapping, L^p-norm based method, Preconditioning techniques.