Regularized least squares phase sampling interferometry

doi:10.1364/OE.19.005002

Regularized least squares phase sampling interferometry

2011-03-02

1

OA

AI

J

Juan Antonio Quiroga *

DOI：10.1364/OE.19.005002

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摘要

En 中文

In phase sampling interferometry, existing temporal analysis methods are sensitive to border effects and cannot deal with missing data. In this work we propose a quadrature filter that allows a reliable dynamic phase measurement for every sample, even in the cases involving few samples or missing data. The method is based on the use of a regularized least squares cost function that enforces the quadrature character of the filter. A comparison with existing techniques shows the effectiveness of the proposed method. (c) 2011 Optical Society of America

Keyword:

SPECKLE-PATTERN INTERFEROMETRY

SHIFTING ALGORITHMS

TRANSFORM

Regularized least squares phase sampling interferometry

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