An algorithm for centroid-based tracking of moving objects

被引:26
作者
Nascimento, JC [1 ]
Abrantes, AJ [1 ]
Marques, JS [1 ]
机构
[1] Univ Tecn Lisboa, ISR, Inst Super Tecn, P-1096 Lisbon, Portugal
来源
ICASSP '99: 1999 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, PROCEEDINGS VOLS I-VI | 1999年
关键词
D O I
10.1109/ICASSP.1999.757548
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
This article addresses the problem of tracking moving objects using deformable models. A Kalman-based algorithm a's presented, inspired on a new class of constrained clustering methods, recently proposed by Abrantes and Marques in the context of static shape estimation. A set of data centroids is tracked using intra-frame and inter-frame recursions. Centroids are computed as weighted sums of the edge points belonging to the object boundary. The use of centroids introduces competitive learning mechanisms in the tracking algorithm leading to improved robustness with respect to occlusion and contour sliding. Experimental results with traffic sequences are provided.
引用
收藏
页码:3305 / 3308
页数:4
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