Camera calibration and 3D surface reconstruction for multi-camera semi-circular DIC system

被引:4
|
作者
Hwang, Chi-Hung [1 ]
Wang, Wei-Chung [2 ]
Chen, Yung-Hsiang [1 ,2 ]
机构
[1] Instrument Technol Res Ctr, Natl Appl Res Labs, Hsinchu 30013, Taiwan
[2] Natl Tsing Hua Univ, Dept Power Mech Engn, Hsinchu 30013, Taiwan
关键词
Camera calibration; Planar calibration target; Digital image correlation; surface reconstruction; Multi-camera system;
D O I
10.1117/12.2021044
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this paper, a multi-camera DIC system with semi-circular configuration which can capture images from three different view angles at the same time is introduced. The multi-camera DIC system associated calibration method is proposed, the internal-and external-parameters of all system's cameras by utilizing a planar plate with circular marks on it. A cracked cylindrical were reconstructed with images obtained by the proposed three-camera systems, with the help of digital image correlation method is also demonstrated and discussed.
引用
收藏
页数:8
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