Frobenius norm-regularized robust graph learning for multi-view subspace clustering

Shuqin Wang

doi:10.1007/s10489-022-03816-6

Frobenius norm-regularized robust graph learning for multi-view subspace clustering

2022-06-29

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DOI：10.1007/s10489-022-03816-6

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Graph learning methods have been widely used for multi-view clustering. However, such methods have the following challenges: (1) they usually perform simple fusion of fixed similarity graph matrices, ignoring its essential structure. (2) they are sensitive to noise and outliers because they usually learn the similarity matrix from the raw features. To solve these problems, we propose a novel multi-view subspace clustering method named Frobenius norm-regularized robust graph learning (RGL), which inherits desirable advantages (noise robustness and local information preservation) from the subspace clustering and manifold learning. Specifically, RGL uses Frobenius norm constraint and adjacency similarity learning to simultaneously explore the global information and local similarity of views. Furthermore, the l(2,1) norm is imposed on the error matrix to remove the disturbance of noise and outliers. An effectively iterative algorithm is designed to solve the RGL model by the alternation direction method of multipliers. Extensive experiments on nine benchmark databases show the clear advantage of the proposed method over fifteen state-of-the-art clustering methods.

Keywords:

Multi-view clustering

Graph learning

Subspace clustering

Manifold learning

Frobenius norm-regularized robust graph learning for multi-view subspace clustering

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