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| 科研成果 |
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| 论文题目： |
Layered Multitask Tracker via Spatial-Temporal Laplacian Graph |
| 第一作者： |
Fan BJ(范保杰);Li XM(李小毛);Cong Y(丛杨) |
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| 发表刊物： |
IEEE SIGNAL PROCESSING LETTERS |
| 发表年度： |
2017 |
| 卷,期,页： |
24,12,1768-1772 |
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| 论文摘要： |
Most multitask trackers define the trace of each candidate as one task, and assume all tasks are equally related. Multitask learning is only evaluated on the current frame. In fact, these assumptions are limited, and ignore the multitask relationship in consecutive frames. In this letter, we propose a discriminative layered multitask tracker via spatial-temporal Laplacian graphs, which defines the layered tasks from a novel view, and naturally incorporates the global and local target information into reverse multitask tracking process. The spatial-temporal Laplacian graphs not only exploit the sequential consistent information of the target, but also make full use of the geometric structure corresponding to the tasks among the adjacent frames. Besides, l(0) norm constraint and labeling information are used to improve the tracking robustness. Encouraging experimental results on challenging sequences justify that the proposed method performs well both in accuracy and robustness against some related trackers. |
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