Investigation of phase error correction for digital sinusoidal phase-shifting fringe projection profilometry

被引：36

作者：

Ma, S. ^{[1
,2
]}

Quan, C. ^{[1
]}

Zhu, R. ^{[2
]}

Tay, C. J. ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore

[2] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

OPTICS AND LASERS IN ENGINEERING | 2012年 / 50卷 / 08期

关键词：

Digital sinusoidal phase-shifting fringe projection profilometry (DSPFPP); Phase error correction; 3-DIMENSIONAL SHAPE MEASUREMENT; FOURIER-TRANSFORM PROFILOMETRY; ACCURATE GAMMA CORRECTION; COMPENSATION;

D O I：

10.1016/j.optlaseng.2012.01.021

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Digital sinusoidal phase-shifting fringe projection profilometry (DSPFPP) is a powerful tool to reconstruct three-dimensional (3D) surface of diffuse objects. However, a highly accurate profile is often hindered by nonlinear response, color crosstalk and imbalance of a pair of digital projector and CCD/CMOS camera. In this paper, several phase error correction methods, such as Look-Up-Table (LUT) compensation, intensity correction, gamma correction, LUT-based hybrid method and blind phase error suppression for gray and color-encoded DSPFPP are described. Experimental results are also demonstrated to evaluate the effectiveness of each method. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1107 / 1118

页数：12

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