Special Section on Interferometry

Estimation of phase derivative from a single fringe pattern using Riesz transforms

[+] Author Affiliations
Yassine Tounsi, Sara Zada, Desire Muhire, Ahmed Siari, Abdelkrim Nassim

Chouaib Doukkali University, Measurement and Control Instrumentation Laboratory IMC, Department of Physics, El Jadida, Morocco

Opt. Eng. 56(11), 111706 (Apr 12, 2017). doi:10.1117/1.OE.56.11.111706
History: Received January 6, 2017; Accepted March 28, 2017
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Abstract.  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. The originality of this technique is to exploit Riesz transform for phase derivatives estimation, spatial modulation, speckle denoising, and measure of features similarity. Phase modulation process is realized by combining a digital spatial carrier and Riesz quadrature; speckle denoising is computed using Riesz wavelets transform, and the performance is evaluated by Riesz features SIMilarity. Before applying our method on real speckle correlation fringes, its performance is tested by numerical simulation.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Yassine Tounsi ; Sara Zada ; Desire Muhire ; Ahmed Siari and Abdelkrim Nassim
"Estimation of phase derivative from a single fringe pattern using Riesz transforms", Opt. Eng. 56(11), 111706 (Apr 12, 2017). ; http://dx.doi.org/10.1117/1.OE.56.11.111706


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