移相数字莫尔条纹图像滤波方法的研究

数字莫尔条纹滤波处理是利用莫尔条纹进行非球面检测的关键技术之一，滤波结果直接影响非球面检测的精度，分别从空域和频域两个角度对滤波算法进行了讨论分析，并进行了模拟实验。结果表明，经两种方法处理后恢复的波面得到了较好的结果，全孔径相位分布残差的均方根（RMS）值分别为0.024λ和0.035λ，证明了滤波方法是可行的。

Abstract

Digital Moiré patterns filter processing is a key technique of aspheric testing by using the Moiré patterns, and the filtering result immediately influences the precision of aspheric testing. The discussion analysis is carried on from the spatial domain and the frequency domain. And the modeling is also carried on. The root mean square (RMS) of the full aperture phase distribution residual error is seperately 0.024λ and 0.035λ, and the results show that the filtering method is feasible.

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满玉春, 张忠玉, 李锐钢, 张学军. 移相数字莫尔条纹图像滤波方法的研究[J]. 激光与光电子学进展, 2011, 48(5): 051001. Man Yuchun, Zhang Zhongyu, Li Ruigang, Zhang Xuejun. Research on Filtering Method of Phase Shifting Digital Moiré Patterns[J]. Laser & Optoelectronics Progress, 2011, 48(5): 051001.

移相数字莫尔条纹图像滤波方法的研究

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