Development of Real-time Shape Measurement System Using Whole-Space Tabulation Method

被引：8
|
作者：
Fujigaki, Motoharu [1 ]
Takagishi, Akihiro
Matui, Toru [1 ]
Morimoto, Yoshiharu [1 ]
机构：
[1] Wakayama Univ, Fac Syst Engn, Dept Optomechatron, Sakaedani 930, Wakayama 6408510, Japan
来源：
TWO- AND THREE-DIMENSIONAL METHODS FOR INSPECTION AND METROLOGY VI | 2008年 / 7066卷
关键词：
real-time shape measurement system; pixel-by-pixel calibration tables; multiple reference planes; lens distortion; intensity distortion; grating projection method; phase analysis;
D O I：
10.1117/12.795300
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this paper, a real-time shape measurement system using pixel-by-pixel calibration tables is developed. We proposed a shape measurement method using pixel-by-pixel calibration tables produced with multiple reference planes. In this method, all the relationships between the phase of the projected grating and the spatial coordinates can be obtained for each pixel. This method excludes a lens distortion and intensity errors of the projected grating in measurement results theoretically. Tabulation makes short-time measurement possible. The linearity of each pixel of a camera is also corrected using pixel-by-pixel calibration tables for linearity immediately after grabbing images.
引用
收藏
页数：8
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