Analysis on Location Accuracy for the Binocular Stereo Vision System

被引:120
作者
Yang, Lu [1 ,2 ]
Wang, Baoqing [1 ,2 ]
Zhang, Ronghui [3 ]
Zhou, Haibo [1 ,2 ]
Wang, Rongben [4 ]
机构
[1] Tianjin Univ Technol, Tianjin Key Lab Adv Mechatron Syst Design & Intel, Sch Mech Engn, Tianjin 300384, Peoples R China
[2] Tianjin Univ Technol, Natl Demonstrat Ctr Expt Mech & Elect Engn Educ, Tianjin 300384, Peoples R China
[3] Sun Yat Sen Univ, Sch Engn, Guangdong Key Lab Intelligent Transportat Syst, Guangzhou 510275, Guangdong, Peoples R China
[4] Jilin Univ, Coll Transportat, Changchun 130025, Jilin, Peoples R China
来源
IEEE PHOTONICS JOURNAL | 2018年 / 10卷 / 01期
基金
中国国家自然科学基金;
关键词
Binocular stereo vision system; location accuracy; camera calibration parameter; system structure parameter; applied optics; LOCALIZATION; CALIBRATION;
D O I
10.1109/JPHOT.2017.2784958
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
Binocular stereo vision (BSV) system has been widely used in various fields, such as intelligent manufacture, smart robot, and so on. However, the location accuracy of the current BSV still cannot fully satisfy industry requirements due to lack of a parameters optimization BSV system. In this paper, a high accuracy BSV system is proposed. This is achieved through analyzing the seven parameters of the BSV system, which are classified into two groups: system structure parameters (SSPs) and camera calibration parameters (CCPs). For the SSPs, an improved analysis model is designed to expose the possible errors caused by three parameters. Furthermore, a new correlation model among them is also proposed to analyze the errors caused by their correlation. On the other hand, for the CCPs, the orthogonal experiment model is employed for selecting the optimal combination of the four calibration parameters. Meanwhile, the weight among the four parameters is also analyzed for reducing errors. Finally, the effectiveness of our proposed method is demonstrated by a large number of experiments. It gives a useful reference to the BSV system used in applied optics research and application fields.
引用
收藏
页数:16
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