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Robust Visual Object Tracking With Multiple Features and Reliable Re-Detection Scheme
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DOI：10.1109/ACCESS.2020.2997072.png)
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Abstract
En 中文
In recent years, correlation filter based trackers have seen widespread success because of their high efficiency and robustness. However, a single feature based tracker cannot deal with complex scenes such as serious occlusion, motion blur and illumination variation. In this paper, we develop a novel tracking method combining color feature, Hog feature and motion feature. The motion feature is estimated between adjacent frames by large displacement optical flow. Besides, in order to cope with boundary effect existing in traditional correlation filter based trackers, an adaptive cosine window is introduced in our method, which can highlight the target region, suppress the background region and enlarge search region. Meanwhile, a novel judge scheme combining Hog correlation response and color response is adopted to evaluate the reliability of tracking result. Finally, inverse sparse representation is presented to locate coarse positions of target in case of tracking failures. Extensive experiments on five famous tracking benchmarks including OTB100, TColor-128, UAVDT, UAV123 and VOT2016 demonstrate our proposed method outperform other sate-of-the-art methods in terms of robustness and accuracy.
Keywords:
Target tracking
Correlation
Robustness
Visualization
Image color analysis
Optical imaging
Visual tracking
correlation filter
motion feature
adaptive cosine window
reverse sparse representation
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