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Phase retrieval of pure phase object based on compressed sensing

Yang Zhen-Ya Zheng Chu-Jun

Phase retrieval of pure phase object based on compressed sensing

Yang Zhen-Ya, Zheng Chu-Jun
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  • Abstract views:  937
  • PDF Downloads:  705
  • Cited By: 0
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  • Received Date:  26 October 2012
  • Accepted Date:  07 December 2012
  • Published Online:  20 May 2013

Phase retrieval of pure phase object based on compressed sensing

  • 1. School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No. 10504008).

Abstract: Traditional phase retrieval algorithm, which iteratively reconstructs the phase from 2-intensity measurement or 1-intensity measurement, requires Shannon sampling theorem to be satisfied. This could lead to more requirements for data storage when high resolution imaging is concerned. In order to lower the sampling budget, in this paper we purpose a compressed sensing based phase retrieval algorithm. Through 1-intensity measurement in Fourier plane, our improved Hybrid I/O algorithm is used to reconstruct the exact phase retribution of pure phase object. The algorighm proposed in this paper can reconstruct piecewise regular phase distributed pure phase object from far less amplitude measurements than ones for which the sampling theorem requires to be satisfied. The simulated data indicate that the algorithm has a good converge performance.

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