期刊
IEEE PHOTONICS JOURNAL
卷 10, 期 1, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2017.2784958
关键词
Binocular stereo vision system; location accuracy; camera calibration parameter; system structure parameter; applied optics
资金
- Tianjin Natural Science Foundation of China [16JCQNJC04100]
- National Natural Science Foundation of China [51275209, 51775565]
- Tianjin Municipal Natural Science Foundation
- Tianjin Municipal Science and Technology Commission [17JCZDJC30400]
- Guangdong Key Laboratory of Intelligent Transportation System [201701002]
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.
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