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Opt Lett. 2003 Nov 15;28(22):2156-8.

Deterministic phase unwrapping in the presence of noise.

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  • 1Department of Materials Science, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.


We present a new Fourier-based exact solution for deterministic phase unwrapping from experimental maps of wrapped phase in the presence of noise and phase vortices. This single-step approach has superior performance for images with high phase gradients or insufficient digital sampling approaching 2pi/pixel and therefore performs as a fast and practical solution for the phase-unwrapping problem for experimental applications in applied optics, physics, and medicine.

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