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

TL;DR

This paper evaluates various preconditioning techniques to enhance the efficiency of the $L^p$-norm phase unwrapping method across different map sizes, aiming to improve computational performance.

Contribution

It provides a comparative analysis of five preconditioning methods for $L^p$-norm phase unwrapping, highlighting their effectiveness and suitability for different scenarios.

Findings

Preconditioning improves convergence speed.

Performance varies with map size and technique.

Certain methods outperform others in specific conditions.

Abstract

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.