Investigation to realize a computationally efficient implementation of the high-order  instantaneous-moments-based fringe analysis method

Sai Siva Gorthi; Gannavarpu Rajshekhar; Pramod Rastogi

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Investigation to realize a computationally efficient implementation of the high-order instantaneous-moments-based fringe analysis method

机译：研究以实现计算有效的基于高阶瞬时矩的条纹分析方法的实现

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Recently, a high-order instantaneous moments (HIM)-operator-based method was proposed for accurate phase estimation in digital holographic interferometry. The method relies on piece-wise polynomial approximation of phase and subsequent evaluation of the polynomial coefficients from the HIM operator using single-tone frequency estimation. The work presents a comparative analysis of the performance of different single-tone frequency estimation techniques, like Fourier transform followed by optimization, estimation of signal parameters by rotational invariance technique (ESPRIT), multiple signal classification (MUSIC), and iterative frequency estimation by interpolation on Fourier coefficients (IFEIF) in HIM-operator-based methods for phase estimation. Simulation and experimental results demonstrate the potential of the IFEIF technique with respect to computational efficiency and estimation accuracy.

机译：最近，提出了一种基于高阶瞬时矩（HIM）-算子的方法，用于数字全息干涉术中的精确相位估计。该方法依赖于相位的分段多项式逼近，以及随后使用单音频率估计从HIM运算符对多项式系数进行评估。这项工作对不同的单音频率估计技术的性能进行了比较分析，例如傅立叶变换，优化，旋转不变技术（ESPRIT）估计信号参数，多信号分类（MUSIC）和插值迭代频率估计基于HIM算子的相位估计方法中的傅立叶系数（IFEIF）研究。仿真和实验结果证明了IFEIF技术在计算效率和估计精度方面的潜力。

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来源
《Optical engineering》 |2010年第6期|p.065802.1-065802.4|共4页
作者
Sai Siva Gorthi; Gannavarpu Rajshekhar; Pramod Rastogi;
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作者单位

Ecole Polytechnique Federale de Lausanne IMAC IS ENAC EPFL, Applied Computing and Mechanics Laboratory 1015 Lausanne, Switzerland;

Ecole Polytechnique Federale de Lausanne IMAC IS ENAC EPFL, Applied Computing and Mechanics Laboratory 1015 Lausanne, Switzerland;

Ecole Polytechnique Federale de Lausanne IMAC IS ENAC EPFL, Applied Computing and Mechanics Laboratory 1015 Lausanne, Switzerland;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
digital holographic interferometry; phase estimation; high-order in- stantaneous moments;

机译：数字全息干涉仪相位估计高阶瞬时;

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机译：研究以实现计算有效的基于高阶瞬时矩的条纹分析方法的实现
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Investigation to realize a computationally efficient implementation of the high-order instantaneous-moments-based fringe analysis method

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