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中文论文题目: Moving Object Detection Using Tensor-Based Low-Rank and Saliently Fused-Sparse Decomposition
英文论文题目: Moving Object Detection Using Tensor-Based Low-Rank and Saliently Fused-Sparse Decomposition
论文题目英文:
作者: Hu, Wenrui
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刊物名称: IEEE TRANSACTIONS ON IMAGE PROCESSING
年: 2017
卷: 26
期: 2
页: 724-737
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摘要: In this paper, we propose a new low-rank and sparse representation model for moving object detection. The model preserves the natural space-time structure of video sequences by representing them as three-way tensors. Then, it operates the low-rank background and sparse foreground decomposition in the tensor framework. On the one hand, we use the tensor nuclear norm to exploit the spatio-temporal redundancy of background based on the circulant algebra. On the other, we use the new designed saliently fused-sparse regularizer (SFS) to adaptively constrain the foreground with spatio-temporal smoothness. To refine the existing foreground smooth regularizers, the SFS incorporates the local spatio-temporal geometric structure information into the tensor total variation by using the 3D locally adaptive regression kernel (3D-LARK). What is more, the SFS further uses the 3D-LARK to compute the space-time motion saliency of foreground, which is combined with the l(1) norm and improves the robustness of foreground extraction. Finally, we solve the proposed model with globally optimal guarantee. Extensive experiments on challenging well-known data sets demonstrate that our method significantly outperforms the state-of-the-art approaches and works effectively on a wide range of complex scenarios.
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