Long-Term Tracking Algorithm Based on Correlation Filter
LI Na1,2,3, WU Lingfeng1,2,3, LI Daxiang1,2,3
1.Center for Image and Information Processing, Xi′an University of Posts and Telecommunications, Xi′an 710121 2.Key Laboratory of Electronic Information Application Technology for Scene Investigation, Ministry of Public Security, Xi′an 710121 3.International Joint Research Center for Wireless Communication and Information Processing, Xi′an 710121
Abstract：Based on the kernelized correlation filter(KCF) algorithm, a long-term tracking algorithm combining target re-detection is proposed. Firstly, the histogram of oriented gradient features and LAB color information are fused, the appearance model is established and scale estimation is added to cope with the changes of object scale. Then, the peak ratio is introduced to control the start of re-detection module and a correlation filter model is re-learned by extracting Harris corners. Finally, the occluded object is continuously tracked with the proposed model updating strategy. Comparison experiments on OTB datasets show that the proposed algorithm produces higher tracking accuracy and is suitable for long-term tracking with occlusion.
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2018, Vol. 31 
