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首页> 外文会议>Asilomar Conference on Signals, Systems and Computers >PhasePack: A phase retrieval library
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PhasePack: A phase retrieval library

机译：PhasePack：相检索库

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摘要

Phase retrieval deals with the estimation of complex-valued signals solely from the magnitudes of linear measurements. While there has been a recent explosion in the development of phase retrieval algorithms, the lack of a common interface has made it difficult to compare new methods against the state-of-the-art. The purpose of PhasePack is to create a common software interface for a wide range of phase retrieval algorithms and to provide a common testbed using both synthetic data and empirical imaging datasets. PhasePack is able to benchmark a large number of recent phase retrieval methods against one another to generate comparisons using a range of different performance metrics. The software package handles single method testing as well as multiple method comparisons. The algorithm implementations in PhasePack differ slightly from their original descriptions in the literature in order to achieve faster speed and improved robustness. In particular, PhasePack uses adaptive stepsizes, line-search methods, and fast eigensolvers to speed up and automate convergence.
机译：相位检索仅根据线性测量的幅度来处理复数值信号的估计。尽管相位检索算法的开发近来出现了爆炸式增长，但缺少通用接口使我们很难将新方法与最新技术进行比较。 PhasePack的目的是为广泛的相位检索算法创建通用的软件界面，并使用合成数据和经验成像数据集提供通用的测试平台。 PhasePack能够将大量最新的相位检索方法彼此进行基准测试，从而使用一系列不同的性能指标来生成比较结果。该软件包可处理单方法测试以及多方法比较。 PhasePack中的算法实现与文献中的原始描述略有不同，以实现更快的速度和更高的鲁棒性。特别是，PhasePack使用自适应步长调整，线搜索方法和快速本征求解器来加速和自动化收敛。

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