Recursive linear systems for phase unwrapping

Julio C. Estrada; Manuel Servin

doi:10.1117/12.928579

13 September 2012 Recursive linear systems for phase unwrapping

Julio C. Estrada; Manuel Servin

Author Affiliations +

Proceedings Volume 8493, Interferometry XVI: Techniques and Analysis; 84930P (2012) https://doi.org/10.1117/12.928579
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

Here, we are going to show a 2D recursive phase unwrapping system that unwraps the phase and cleans noise in the same process. This recursive phase unwrapping system behaves as an Infinite Impulse Response (IIR) system and we will show its stability and frequency analysis in 1D. The unwrapping results shown here, are compared with the well known least squares phase unwrapping method. The recursive phase unwrapping system shown here is robust to noise and it can be used to unwrap modulus 2π phase maps following simple row by row scanning strategies.

Citation Download Citation

Julio C. Estrada, Julio C. Estrada, Manuel Servin, Manuel Servin, } "Recursive linear systems for phase unwrapping", Proc. SPIE 8493, Interferometry XVI: Techniques and Analysis, 84930P (13 September 2012); doi: 10.1117/12.928579; https://doi.org/10.1117/12.928579

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