用于条纹分析的广义三维加窗傅里叶变换。

Generalized three-dimensional windowed Fourier transform for fringe analysis.

作者信息

Qian Kemao, Fu Yu, Liu Qi, Seah Hock Soon, Asundi Anand

机构信息

School of Computer Engineering, Nanyang Technological University, Singapore.

出版信息

Opt Lett. 2006 Jul 15;31(14):2121-3. doi: 10.1364/ol.31.002121.

DOI:10.1364/ol.31.002121

PMID:16794699

Abstract

A 3D windowed Fourier transform is proposed for fringe sequence analysis, which processes the joint spatial and temporal information of the fringe sequence simultaneously. The 2D windowed Fourier transform in the spatial domain and the 1D windowed Fourier transform in the temporal domain are two special cases of the proposed method. The principles of windowed Fourier filtering and windowed Fourier ridges are developed. Experimental verification shows encouraging results despite a longer processing time.

摘要

提出了一种用于条纹序列分析的三维加窗傅里叶变换，它能同时处理条纹序列的空间和时间联合信息。空间域中的二维加窗傅里叶变换和时间域中的一维加窗傅里叶变换是该方法的两种特殊情况。推导了加窗傅里叶滤波和加窗傅里叶脊线的原理。实验验证表明，尽管处理时间较长，但结果令人鼓舞。