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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Modulation analysis in spatial phase shifting electronic speckle pattern interferometry and application for automated data selection on biological specimens
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Modulation analysis in spatial phase shifting electronic speckle pattern interferometry and application for automated data selection on biological specimens

机译：空间相移电子散斑图案干涉测量中的调制分析及其在生物标本自动数据选择中的应用

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摘要

In electronic speckle pattern interferometry (ESPI), for a fast and objective analysis of measurement data which occur with a high repetition rate, an automated data processing is of particular advantage. For this reason, investigations were carried out to determine if the modulation of speckle interferograms can be applied as a quality parameter for the selection of suitable interferogram data for further evaluation e.g. phase unwrapping when spatial phase shifting (SPS) is performed. Six methods for determining the modulation of speckle interferograms are characterised and compared. The applicability of the speckle interferogram modulation as a parameter for mask generation in the unwrapping process of the phase difference is demonstrated by the evaluation of measurement data obtained from experiments with a spatial phase shifting endoscopic ESPI system on a technical surface and on a human gastrectomy specimen. (c) 2006 Elsevier B.V. All rights reserved.
机译：在电子散斑图案干涉术（ESPI）中，对于以高重复率出现的测量数据的快速，客观的分析，自动化数据处理特别有利。由于这个原因，进行了研究以确定散斑干涉图的调制是否可以用作质量参数，以选择合适的干涉图数据用于进一步评估，例如。执行空间相移（SPS）时的相位展开。表征并比较了确定散斑干涉图调制的六种方法。通过对空间表面相移内窥镜ESPI系统在技术表面和人体胃切除术标本上进行的实验获得的测量数据进行评估，证明了斑点干涉图调制作为相位差展开过程中掩模生成参数的适用性。 （c）2006 Elsevier B.V.保留所有权利。

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