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| Object Tracking Model Based on Fusing Multiple Weighted Distribution Field Features |
| LUO Huilan1, SHAN Shunyong1, KONG Fansheng2 |
1.School of Information Engineering, Jiangxi University of Science and Technology, Ganzhou 341000
2.College of Computer Science and Technology, Zhejiang University, Hangzhou 310027 |
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Abstract Object tracking is difficult to be implemented by using single feature. Histogram is simple and convenient to describe the image features. However, the spatial information of the features can not be expressed by the statistical histograms, and the distribution field descriptors can reflect the spatial information of the features. Based on their advantages, an object tracking algorithm is proposed by fusing gray value features, texture features and edge features. Three kinds of features are combined through distribution field descriptors to form joint representations. And the distribution layers of dense distribution field features are multiplied by the corresponding weights to construct an efficient target model. An adaptive object model updating scheme is used to update the target model and adapt to varietiesof the background and the illumination. The experimental results on commonly used testing video sequences show that the proposed algorithm generates better performance in complicated situations, such as pose change, rotation, occlusion and illumination changes and it has stronger robustness.
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Received: 09 February 2015
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2016, Vol. 29 
