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Anti-Occlusion Moving Target Tracking Method

Volume 15, Number 6, June 2019, pp. 1620-1630
DOI: 10.23940/ijpe.19.06.p13.16201630

Hongan Lia, Zhuoming Dub, Zhanli Lia, Shuai Haoc, and Jiaying Chena

aCollege of Computer Science and Technology, Xi'an University of Science and Technology, Xi'an, 710054, China
bSchool of Computer Engineering, Jiangsu University of Technology, Changzhou, 213001, China
cCollege of Electric and Control Engineering, Xi'an University of Science and Technology, Xi'an, 710054, China

 

(Submitted on March 20, 2019; Revised on April 10, 2019; Accepted on June 2, 2019)

Abstract:

In the artificial intelligence field, using computer vision to track an object is an important research topic. Especially when the target reappears after being occluded for a while, it is hard to precisely track the moving target again. Therefore, this paper proposes an anti-occlusion target tracking strategy that can overcome the occluded problem. Firstly, to make the target clearer, we design a moving target detection method using the Gaussian mixture background subtraction method based on the wavelet transform, which removes the high-frequency noise of video images. Then, in the tracking process, altered strategies are taken to cope with different occlusion situations, which include three cases: no occlusion, partial occlusion, and severe occlusion. For the first two cases, we use the distance-based Kalman filter method to track the moving target. For the third case, we designed a method that combines the Camshift method with the distance-based Kalman filter method to track moving targets, which is more efficient than only using the distance-based Kalman filter method. According to one of the cases, our program automatically selects the corresponding method. Experimental results show that our strategy can track moving targets accurately whether targets are in occlusion situation or not.

 

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