A Weighted Least Squares Image Matching based target tracking algorithm

被引：1
|
作者：
Zhang, Xiaohu [1 ]
Li, Lichun [1 ]
Zhu, Xianwei [1 ]
Shang, Yang [1 ]
Yu, Qifeng [1 ]
机构：
[1] Natl Univ Def Technol, Coll Aerosp & Mat Engn, Changsha, Peoples R China
来源：
27TH INTERNATIONAL CONGRESS ON HIGH SPEED PHOTOGRAPHY AND PHOTONICS, PRTS 1-3 | 2007年 / 6279卷
关键词：
target tracking; Least Squares; affine transformation; tracking error;
D O I：
10.1117/12.725355
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Moving target tracking is a basic task in the processing of high speed photography. Despite its widely applications, Correlation tracking method can not adapt to the rotation and zoom of target and results in accumulation of tracking error. The Least Squares Image Matching(LSIM) method which is used in photogrammetry is introduced to moving target tracking, and a Weighted Least Squares Image Matching(WLSIM) based tracking algorithm is proposed. The WLSIM based algorithm sets weights according to the target's shape for the Least-Squares Image Matching Algorithm, as a result matching error produced by the background in the tracking window can be avoided. Experimental results are shown to demonstrate the robustness, efficiency and accuracy of the proposed algorithm.
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页数：6
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