Deterministic phase unwrapping in the presence of noise.

@article{Volkov2003DeterministicPU,
  title={Deterministic phase unwrapping in the presence of noise.},
  author={Vyacheslav V Volkov and Yimei Zhu},
  journal={Optics letters},
  year={2003},
  volume={28 22},
  pages={2156-8}
}
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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