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Semi-Supervised Structured Subspace Learning for Multi-View Clustering
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DOI：10.1109/TIP.2021.3128325.png)
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摘要
En 中文
Multi-view clustering aims at simultaneously obtaining a consensus underlying subspace across multiple views and conducting clustering on the learned consensus subspace, which has gained a variety of interest in image processing. In this paper, we propose the Semi-supervised Structured Subspace Learning algorithm for clustering data points from Multiple sources (SSSL-M). We explicitly extend the traditional multi-view clustering with a semi-supervised manner and then build an anti-block-diagonal indicator matrix with small amount of supervisory information to pursue the block-diagonal structure of the shared affinity matrix. SSSL-M regularizes multiple view-specific affinity matrices into a shared affinity matrix based on reconstruction through a unified framework consisting of backward encoding networks and the self-expressive mapping. The shared affinity matrix is comprehensive and can flexibly encode complementary information from multiple view-specific affinity matrices. An enhanced structural consistency of affinity matrices from different views can be achieved and the intrinsic relationships among affinity matrices from multiple views can be effectively reflected in this manner. Technically, we formulate the proposed model as an optimization problem, which can be solved by an alternating optimization scheme. Experimental results over seven different benchmark datasets demonstrate that better clustering results can be obtained by our method compared with the state-of-the-art approaches.
Keyword:
Image reconstruction
Image coding
Clustering algorithms
Deep learning
Clustering methods
Unsupervised learning
Sparse matrices
Multi-view clustering
anti-block-diagonal indicator matrix
semi-supervised learning
alternating optimization scheme
enhanced structural consistency
期刊
IF:
13.7
论文数:
1.0W
被引数:
8.4W
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