Binary Continual Stream-View Clustering

Multi-view clustering is valued for uncovering latent common semantics lying in multi-view data, which has been a hot topic in unsupervised learning. However, when dealing with incremental streaming views, existing approaches typically require reconstructing the view data and aggregating streaming representations, leading to misalignment between representation and clusters. More importantly, conducting the clustering process frequently results in significant time consumption. To address these issues, we propose a novel method called Binary Continual Stream-View Clustering (BCSVC). Specifically, we design a continual clustering method that seamlessly unifies streaming representation learning and cluster assignment within a single framework. We also introduce a variance-weighted center updating mechanism to smooth the frequent clustering operation and absorb the semantics of previous views. In addition, to reduce the time and space expenditure on computation and storage, binary code for clustering representations is introduced, which can also significantly improve the computational efficiency of continuous updates in streaming scenarios. Last but not least, comprehensive theoretical analysis and extensive experimental results demonstrate its superior performance under various scenarios.

Authors

• Wen Xue
• Xingbo Liu
• Kang Xiao
• Xuening Zhang
• Xiushan Nie

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