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Tracking and Guiding Multiple Laser Beams Based on Beam and Target Alignment System
Zhang, Pengcheng(张鹏程); Xu, De(徐德)
Source PublicationInternational Journal of Automation and Computing
2015-12-01
Volume12Issue:6Pages:600-610
AbstractAn accurate and robust approach for tracking and guiding multiple laser beams is developed, which can be applied to the task of beam and target alignment. Multiple laser spots are firstly detected and recognized from the image sequences of the target and
laser spots. Then, the contour tracking algorithm based on the chain code is investigated, in which the shape matching scheme based on the invariant moments is employed to distinguish different spots. When occlusion occurs in the multiple spots tracking procedure,
the contour tracking combined with Kalman filter prediction is proposed to obtain the positions of multiple spots in real-time. In order to guide 3 spots to align the target, an incremental proportional integral (PI) controller is employed to make the image features of
spots converge to the desired ones. Comparative experiments show that, the proposed tracking method can successfully cope with the fast motion, partial or complete occlusion. The experiment results on spots guiding also exhibit the accurate and robust performance
of the strategy. The proposed visual system solves the problem of spots mixing, reduces the alignment time, improves the shooting accuracy and has been successfully applied to the experimental platform.
KeywordLaser Spot Spot Segmentation Contour Tracking Visual Feedback Beam And Target Alignment
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/19952
Collection精密感知与控制研究中心_精密感知与控制
Affiliation中国科学院自动化研究所
Recommended Citation
GB/T 7714
Zhang, Pengcheng,Xu, De. Tracking and Guiding Multiple Laser Beams Based on Beam and Target Alignment System[J]. International Journal of Automation and Computing,2015,12(6):600-610.
APA Zhang, Pengcheng,&Xu, De.(2015).Tracking and Guiding Multiple Laser Beams Based on Beam and Target Alignment System.International Journal of Automation and Computing,12(6),600-610.
MLA Zhang, Pengcheng,et al."Tracking and Guiding Multiple Laser Beams Based on Beam and Target Alignment System".International Journal of Automation and Computing 12.6(2015):600-610.
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