Dynamic 3-D shape measurement method based on FTP

被引：111

作者：

Su, XY ^{[1
]}

Chen, WJ ^{[1
]}

Zhang, QC ^{[1
]}

Chao, YP ^{[1
]}

机构：

[1] Sichuan Univ, Optoelect Dept, Chengdu 610064, Peoples R China

来源：

OPTICS AND LASERS IN ENGINEERING | 2001年 / 36卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Fourier transform; profilometry; dynamic 3-D shape;

D O I：

10.1016/S0143-8166(01)00028-8

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we propose a method for dynamic three-dimensional (3-D) shape measurement based on Fourier transform profilometry. A sequence of dynamic deformed fringe images can be grabbed by a CCD camera and saved on a disk rapidly. By a Fourier transform, filtering and inverse Fourier transform, a sequence of phase-maps can be obtained. By unwrapping these phase maps in 3-D phase space, we can obtain the shape of the dynamic object at different times. In this paper we also propose the algorithm of a phase difference between two deformed fringes, and the 3-D phase unwrapping method based on the phase difference algorithm. The computer simulation and experiment results show that this method can efficiently deal with the dynamic 3-D shape measurement. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：49 / 64

页数：16

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