Fast two-dimensional simultaneous phase unwrapping and low-pass filtering

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ID: 270332
2012
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Abstract
Here, we present a fast algorithm for two-dimensional (2D) phase unwrapping which behaves as a recursive linear filter. This linear behavior allows us to easily find its frequency response and stability conditions. Previously, we published a robust to noise recursive 2D phase unwrapping system with smoothing capabilities. But our previous approach was rather heuristic in the sense that not general 2D theory was given. Here an improved and better understood version of our previous 2D recursive phase unwrapper is presented. In addition, a full characterization of it is shown in terms of its frequency response and stability. The objective here is to extend our previous unwrapping algorithm and give a more solid theoretical foundation to it.
Reference Key
vargas2012opticsfast Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Javier Vargas;Juan A. Quiroga;Julio C. Estrada;M. Servin;Miguel A. Navarro;Miguel A. Navarro;Julio C. Estrada;M. Servin;Juan A. Quiroga;Javier Vargas;
Journal Optics express
Year 2012
DOI
doi:10.1364/OE.20.002556
URL
https://doi.org/10.1364%2FOE.20.002556
Keywords
algorithms phase unwrapping linear filtering power spectra spatial frequency

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