A Novel Multi-Camera Calibration Method based on Flat Refractive Geometry

被引：4

作者：

Huang, S. ^{[1
]}

Feng, M. C. ^{[1
]}

Zheng, T. X. ^{[1
]}

Li, F. ^{[2
]}

Wang, J. Q. ^{[1
]}

Xiao, L. F. ^{[1
]}

机构：

[1] Chongqing Univ Posts & Telecommun, Sch Adv Mfg Engn, Chongqing 400065, Peoples R China

[2] Chongqing Univ Posts & Telecommun, Sch Automat, Chongqing 400065, Peoples R China

来源：

INTERNATIONAL CONFERENCE ON ROBOTICS AND MECHANTRONICS (ICROM 2017) | 2018年 / 320卷

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1088/1757-899X/320/1/012016

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Multi-camera calibration plays an important role in many field. In the paper, we present a novel multi-camera calibration method based on flat refractive geometry. All cameras can acquire calibration images of transparent glass calibration board (TGCB) at the same time. The application of TGCB leads to refractive phenomenon which can generate calibration error. The theory of flat refractive geometry is employed to eliminate the error. The new method can solve the refractive phenomenon of TGCB. Moreover, the bundle adjustment method is used to minimize the reprojection error and obtain optimized calibration results. Finally, the four-cameras calibration results of real data show that the mean value and standard deviation of the reprojection error of our method are 4.3411e-05 and 0.4553 pixel, respectively. The experimental results show that the proposed method is accurate and reliable.

引用

页数：6

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