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Separation of isoclinics and isochromatics from photoelastic data with a regularized phase-tracking technique

机译:使用正则化相位跟踪技术从光弹性数据中分离等斜度​​和等色体

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摘要

We present the application of a regularization algorithm to the processing of photoelastic fringe patterns. The method used is a modified regularized phase-tracking (RPT) algorithm applied to phase-shifted images. In particular, we present an algorithm for isoclinic-isochromatic separation that uses only five images. In the case of isoclinics the method can deal with problems associated with modulation of isochromatics and with isotropic points by means of a modified cost functional. With respect to the isochromatics the problems associated with regions of high fringe density are solved in a robust way by the unmodified RPT algorithm by use of the modulation information. The performance of the method is discussed, and experimental results are presented.
机译:我们目前正则化算法在光弹条纹图案处理中的应用。使用的方法是应用于相移图像的改进的正则化相位跟踪(RPT)算法。特别是,我们提出了仅使用五个图像的等斜-等色分离算法。在等斜线的情况下,该方法可以通过修改后的成本函数处理与等色体调制和各向同性点相关的问题。关于等色,与高条纹密度区域有关的问题通过使用调制信息的未经修改的RPT算法以鲁棒的方式解决。讨论了该方法的性能,并给出了实验结果。

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