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Sampling Operator to Learn the Scalable Correlation Filter for Visual Tracking
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DOI：10.1109/ACCESS.2019.2892429.png)
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摘要
En 中文
The correlation filter is suitable for tracking on account of its low computational complexity and promising performance. However, the number of available training samples is limited to the filter size, and the lack of samples leads to poor generalization. Moreover, spectral leakage degrades the filter quality. In this paper, we, therefore, propose a sampling operator for learning a scalable correlation filter in an enlarged window, whose size is larger than the object size. The scalable filter encodes the sparse frequency representation to reconstruct a larger filter with zeros outside of the object in the spatial domain. The sampling operator, which is composed of windowing and sampling operations, enables learning the scalable filter from a large window, and it suppresses spectral leakage. Our method was evaluated on the OTB-100, TC-128, and UAV-123 datasets and achieved the promising results in terms of precision and success rates.
Keyword:
Visual tracking
correlation filter
sampling operator
scalability
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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