Shape Measurement by Whole-space Tabulation Method Using Phase-shifting LED Projector

被引：0
|
作者：
Morimoto, Yoshiharu [1 ]
Fujigaki, Motoharu [2 ]
Masaya, Akihiro [2 ]
Amino, Yuki [2 ]
机构：
[1] Moire Inst Inc, 2-1-4-804 Hagurazaki, Osaka 5980046, Japan
[2] Wakayama Univ, Fac Syst Engn, Wakayama 6408510, Japan
来源：
INTERNATIONAL CONFERENCE ON ADVANCED PHASE MEASUREMENT METHODS IN OPTICS AN IMAGING | 2010年 / 1236卷
关键词：
Shape Measurement; Whole-space Tabulation Method; Phase-shifting Method; LED Projector;
D O I：
10.1063/1.3426144
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In order to obtain a 3D-shape with grating projection method, the authors previously presented whole-space tabulation method (WSTM). The relationship between the coordinates and the phase of the grating recorded at each pixel of a camera is obtained as calibration tables in three-dimensional space by experiment beforehand. Therefore the analysis is very fast because of looking at the calibration tables without any complex calculation. It provides fine resolution even when the phase distribution of the grating is not linear. In this paper, a grating projector with three light emitted diode (LED) light sources is proposed. It provides a low cost system. The theory and experimental results are shown.
引用
收藏
页码：377 / +
页数：2
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