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arXiv 1210.7752cs.ITmath.FAmath.IT
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偏振相位恢复

Phase retrieval with polarization

Boris Alexeev, Afonso S. Bandeira, Matthew Fickus, Dustin G. Mixon

摘要:

在成像科学的许多领域中,难以测量线性测量的相位。因此,人们通常希望从强度测量重构信号,即,执行相位恢复。在本文中,我们提供了一种新的测量设计,它的灵感来自干涉测量,并利用扩展图的某些属性。我们还给出了一个有效的相位恢复程序,并使用谱图理论中的最新结果来产生一个稳定的性能保证,该保证可与[Candes et al. 2011]中的PhaseLift保证相媲美。我们使用数值模拟来说明我们的相位恢复程序的性能,我们比较重建误差和运行时间与一个共同的交替投影型程序。

英文摘要:

In many areas of imaging science, it is difficult to measure the phase of linear measurements. As such, one often wishes to reconstruct a signal from intensity measurements, that is, perform phase retrieval. In this paper, we provide a novel measurement design which is inspired by interferometry and exploits certain properties of expander graphs. We also give an efficient phase retrieval procedure, and use recent results in spectral graph theory to produce a stable performance guarantee which rivals the guarantee for PhaseLift in [Candes et al. 2011]. We use numerical simulations to illustrate the performance of our phase retrieval procedure, and we compare reconstruction error and runtime with a common alternating-projections-type procedure.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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