Three-dimensional profilometry method with single-frame multifrequency composite projection fringe

被引：1

作者：

Hu, Hailing ^{[1
,2
,3
]}

Chen, Yang ^{[1
,2
,3
]}

Zhang, Peiqing ^{[2
,3
,4
]}

Shen, Xiang ^{[2
,3
,4
,5
]}

Dai, Shixun ^{[2
,3
,4
]}

Song, Baoan ^{[1
,2
,3
]}

机构：

[1] Ningbo Univ, Fac Elect Engn & Comp Sci, Ningbo, Peoples R China

[2] Ningbo Univ, Key Lab Photoelect Detect Mat & Devices Zhejiang P, Ningbo, Peoples R China

[3] Engn Res Ctr Adv Infrared Photoelect Mat & Devices, Ningbo, Peoples R China

[4] Ningbo Univ, Res Inst Adv Technol, Ningbo, Peoples R China

[5] Ningbo Univ, Ningbo Inst Oceanog, Ningbo, Peoples R China

来源：

OPTICAL ENGINEERING | 2022年 / 61卷 / 12期

基金：

中国国家自然科学基金;

关键词：

absolute phase; complex fringe projection; phase error propagation; single-frame; FOURIER-TRANSFORM PROFILOMETRY; AUTOMATIC-MEASUREMENT; PHASE; ALGORITHMS;

D O I：

10.1117/1.OE.61.12.124107

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An improved composite Fourier transform profilometry is proposed in this study to quickly measure the three-dimensional (3D) contour of an object. Three groups of fringe patterns with different frequencies are combined in this method. Compared with the other composite profilometry, it solves the problem of phase error propagation in phase unwrapping. The absolute phase of the object is accurately calculated and the measuring accuracy is improved greatly by filtering out the background direct current noise. Both simulation and experiment results show that the 3D contour of the measured object can be reconstructed quickly and accurately by this method. It has great application potential in the field of real-time 3D measurement.

引用

页数：10

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