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A robust multi-image phase retrieval
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DOI：10.1016/j.optlaseng.2017.09.014.png)
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Abstract
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The phase evaluation is not perfect by using three kinds of existing multi-image phase retrieval methods. The amplitude-phase retrieval scheme is employed for initializing the input of the Multi-stage algorithm to obtain a robust result. The synthesized axial multi-image phase retrieval technique is able to be highly accurate convergent with continuous phase distribution of [0, 2 pi] and random phase distribution of [0, pi], which is also demonstrated to have sharper edge for reconstructed phase map in experiment. This paper will provide a powerful and useful guidance for axial multi-image phase retrieval. (C) 2017 Elsevier Ltd. All rights reserved.
Keywords:
Phase retrieval
Diffraction
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