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| Flexible Feature Optimization Based Robust Object Tracking |
| WANG Jiang-Tao1, CHEN De-Bao1, YANG Jing-Yu2 |
1. School of Physical and Electronic Information,Huaibei Normal University,Huaibei 235000
2.School of Computer Science and Technology,Nanjing University of Science and Technology,Nanjing 210094 |
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Abstract To overcome the disadvantages of single feature that often fails in describing the object reliably under dynamic environment, a flexible feature optimization based particle filter tracking algorithm is proposed. Firstly, the concept of sharpness factor is introduced to objectively elevate the discriminant ability for different features. Then, based on the features tracking property, the optimal feature under current scene is adaptively generated by combining the weighted features. Finally, the optimal feature is applied in the particle filter scheme to execute the object tracking task. The proposed algorithm is flexible and it can be extended to any feature represented by histogram. The experimental results on various videos demonstrate the effectiveness and robustness of the proposed method in multi-features fusion and object tracking.
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Received: 14 April 2011
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2012, Vol. 25 
