Estimation of phase derivative with sharp variations in digital holography using total variational regularization

Allaparthi Venkata Satya Vithin; Rajshekhar Gannavarpu; Rajshekhar Gannavarpu

doi:10.1364/AIS.2021.JTh6A.33

OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES)
OSA Technical Digest (Optica Publishing Group, 2021),
paper JTh6A.33
•https://doi.org/10.1364/AIS.2021.JTh6A.33

Estimation of phase derivative with sharp variations in digital holography using total variational regularization

Allaparthi Venkata Satya Vithin and Rajshekhar Gannavarpu

Applied Industrial Spectroscopy 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-90-3

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Joint Poster Session III (JTh6A)

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A. V. S. Vithin and R. Gannavarpu, "Estimation of phase derivative with sharp variations in digital holography using total variational regularization," in OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES), S. Buckley, F. Vanier, S. Shi, K. Walker, I. Coddington, S. Paine, K. Lok Chan, W. Moses, S. Qian, P. Pellegrino, F. Vollmer, G. , J. Jágerská, R. Menzies, L. Emmenegger, and J. Westberg, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JTh6A.33.

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Abstract

The article presents an optimization approach to estimate phase derivatives using anisotropic total variational regularization in digital holography. The results validate the method’s performance in handling sharp variations.

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