Convergent trinocular stereo measurement model for non-cooperative target

An Shu; Haodong Pei; Kun Yu; Huixian Duan

doi:10.1117/12.2606874

24 November 2021 Convergent trinocular stereo measurement model for non-cooperative target

An Shu, Haodong Pei, Kun Yu, Huixian Duan

Proceedings Volume 12061, AOPC 2021: Infrared Device and Infrared Technology; 120611O (2021) https://doi.org/10.1117/12.2606874
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

During the final approach phase of the on-orbit service, high accuracy positional measurement of the non-cooperative target is critical to the success of the mission. In this paper, a convergent trinocular stereo vision measurement model is studied. First, trinocular stereo vision non-linear solving methods were investigated; then, the relationship between the structural parameter configuration of the stereo vision measurement model and the 3D coordinate measurement accuracy, as well as the relationship between the stereo vision camera position placement structure and the effective detection field of view of the measurement system is studied, providing a theoretical basis for the system configuration and optimal configuration design of the trinocular stereo vision camera; afterwards, the three cameras were designed with a baseline distance of 1.3m and the optical axis of each camera was tilted 18° towards the centre of the "Y" bracket, which could meet the continuous position measurement of large non-cooperative targets at close range with high accuracy. Finally, the simulation result of the motion of the non-cooperative target from 15.0 to 1.8m validates that the model has high accuracy and strong robustness in positional solution.

Citation Download Citation

An Shu, Haodong Pei, Kun Yu, and Huixian Duan "Convergent trinocular stereo measurement model for non-cooperative target", Proc. SPIE 12061, AOPC 2021: Infrared Device and Infrared Technology, 120611O (24 November 2021); https://doi.org/10.1117/12.2606874

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