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Visual Tracking via Local Sparse Correlation Filters

机译:通过局部稀疏相关过滤器进行视觉跟踪

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Visual tracking is a challenging problem due to the intricate appearance variation of the objects in video sequences. Recently, correlation filters(CFs) technique has become a powerful tool for building a robust and high-speed visual tracker. However, there are still some intractable problems need to be solved: 1) The updating strategy of the CF's appearance model is linear, this strategy can not distinguish objects from the occlusions, may adding non-objects to the linear appearance model, 2) The conventional CFs can not handle the affine transforms of the objects. In this paper, we combine the local sparse method and CFs to construct an appearance model of the objects, and use the particle filters to find the objects' affine transforms. The experiments show that our approach outperforms the original local sparse coding approach and other state-of-the-art trackers.
机译:由于视频序列中对象的复杂外观变化,视觉跟踪是一个具有挑战性的问题。最近,相关滤波器(CF)技术已成为构建健壮且高速的视觉跟踪器的强大工具。但是,仍然有一些棘手的问题需要解决:1)CF外观模型的更新策略是线性的,该策略不能将物体与遮挡区分开,可以将非对象添加到线性外观模型中; 2)传统的CF无法处理对象的仿射变换。在本文中,我们将局部稀疏方法和CFs相结合,构造了对象的外观模型,并使用粒子过滤器找到了对象的仿射变换。实验表明,我们的方法优于原始的本地稀疏编码方法和其他最新的跟踪器。

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