Nonlinear subspace clustering for image clustering

Nonlinear subspace clustering for image clustering
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用于图像聚类的非线性子空间聚类

DOI:
10.1016/j.patrec.2017.08.023
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发表时间:
2017-08
影响因子:
5.1
通讯作者:
Jie Zhou
Jie Zhou
中科院分区:
计算机科学3区
文献类型:
--
作者:
Wencheng Zhu;Jiwen Lu;Jie Zhou

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提出了一种用于图像聚类的非线性子空间聚类方法。与现有的大多数子空间聚类方法仅利用样本的线性关系来学习仿射矩阵不同,我们的NSC通过非线性神经网络揭示了样本的多聚类非线性结构。虽然基于核的聚类方法也可以解决样本的非线性问题,但这类方法存在可伸缩性问题。具体而言,我们的NSC采用前馈神经网络将样本映射到非线性空间中,并在网络的顶层执行子空间聚类,从而迭代学习映射函数和聚类问题。否则,我们的NSC应用基于分组效应的相似性度量来捕获数据的局部结构。实验结果表明,NSC的性能优于目前的先进技术。
We present in this paper a nonlinear subspace clustering (NSC) method for image clustering. Unlike most existing subspace clustering methods which only exploit the linear relationship of samples to learn the affine matrix, our NSC reveals the multi-cluster nonlinear structure of samples via a nonlinear neural network. While kernel-based clustering methods can also address the nonlinear issue of samples, this type of methods suffers from the scalability issue. Specifically, our NSC employs a feed-forward neural network to map samples into a nonlinear space and performs subspace clustering at the top layer of the network, so that the mapping functions and the clustering issues are iteratively learned. Otherwise, our NSC applys a similarity measure based on the grouping effect to capture the local structure of data. Experimental results illustrate that our NSC outperforms the state-of-the-arts.
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发表时间: 2009-09
期刊: 2009 IEEE 12th International Conference on Computer Vision
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