A novel color fringe projection based Fourier transform 3D shape measurement method

被引：17
|
作者：
Da, Feipeng [1 ]
Huang, Hao [1 ]
机构：
[1] Southeast Univ, Sch Automat, Nanjing 210096, Jiangsu, Peoples R China
来源：
OPTIK | 2012年 / 123卷 / 24期
基金：
中国国家自然科学基金;
关键词：
Fourier transform; Phase unwrapping; Fringe pattern; 3D measurement; PROFILOMETRY; PATTERN;
D O I：
10.1016/j.ijleo.2011.11.014
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel Fourier transform 3D shape measurement method based on color fringe projection is proposed in order to solve the spectrum overlapping and phase unwrapping problems existed in Fourier transform profilometry (FTP). The R and G components of the color fringe are set to two sinusoidal patterns with different frequencies and the B component is set to the average value of R or G component. Then this pattern is projected to the object and the deformed fringe image is captured. Three gray patterns are separated from the color fringe, the background and high frequency noise can be eliminated using our method and the accurate unwrapped phase can be got. Only one shot color pattern is projected to get the 3D information of the object. Experiment results show that the 3D information of an object can be obtained rapidly and accurately. (C) 2011 Elsevier GmbH. All rights reserved.
引用
收藏
页码：2233 / 2237
页数：5
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