Instrumentation, Techniques, and Measurement

Method to simulate the object tracking with photon-counting laser ranging system

[+] Author Affiliations
Xian Du, JiChuan Xing

Beijing Institute of Technology, Optoelectronic Department, No. 5 Zhongguancun South Street, Haidian District, Beijing 100081, China

Hao Huang

University of Shanghai for Science and Technology, No. 516 Jungong Road, Yangpu District, Shanghai 200000, China

Opt. Eng. 54(11), 114103 (Nov 05, 2015). doi:10.1117/1.OE.54.11.114103
History: Received June 29, 2015; Accepted October 13, 2015
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Abstract.  We provide a new method to simulate the process of tracking the noncooperative object that moves beyond visual range with a photon-counting laser ranging system. Based on fundamentals of photon-counting laser ranging techniques and parameters of the experimental prototype, we generate echo events according to their probability. Then, we accumulate the echo data in a certain period of time and accurately extract the object’s trajectory with mean-shift and random sample consensus algorithms. Depending on the trajectory during the accumulation period, we predict the relative movement of the object in succeeding cycles by using self-tuning αβ filtering and carefully pick out photon echo signals and apply the polynomial fitting to them to compute the trajectory of the object. The simulation shows that the error between the theoretical trajectory and the extracted trajectory is decreasing all the time, which suggests that we can track the object precisely as the time goes by. The simulation in this paper provides a new way for applications like satellite orientation, identification, troubleshooting, etc.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Xian Du ; JiChuan Xing and Hao Huang
"Method to simulate the object tracking with photon-counting laser ranging system", Opt. Eng. 54(11), 114103 (Nov 05, 2015). ; http://dx.doi.org/10.1117/1.OE.54.11.114103


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