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FOURIER-TRANSFORMATION, PHASE-ITERATION, AND LEAST-SQUARE-FIT IMAGE PROCESSING FOR YOUNGS FRINGE PATTERN

机译:青年条纹图案的傅里叶变换,相位迭代和最小二乘拟合图像处理

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摘要

The fast Fourier transform, phase iteration, and the least-square fit are combined into an automated processing technique for the analysis of Young's fringe patterns. A Young's fringe pattern is first fast-Fourier-transform filtered to get an initial phase, phase iteration is carried out to improve the phase if necessary, and then the phase is least-square fitted to a phase plane. The magnitude and the direction of the displacement associated with the Young's pattern are determined from the phase plane. [References: 10]
机译:快速傅里叶变换,相位迭代和最小二乘拟合被组合为一种自动处理技术,用于分析杨氏条纹图案。首先对杨氏条纹图进行快速傅里叶变换滤波以获得初始相位,并在必要时进行相位迭代以改善相位,然后将相位最小二乘拟合到相位平面。与杨氏图案相关的位移的大小和方向是从相位平面确定的。 [参考:10]

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