What is it about?
We propose a technique to estimate the phase derivative in both x and y directions based on Riesz transform from a single speckle correlation fringes
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Why is it important?
phase derivatives estimation gives direct information about the gradient of displacement.
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This page is a summary of: Estimation of phase derivative from a single fringe pattern using Riesz transforms, Optical Engineering, April 2017, SPIE,
DOI: 10.1117/1.oe.56.11.111706.
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