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Semi-Supervised Multi-View Clustering with Weighted Anchor Graph Embedding

机译:Semi-Supervised Multi-View Clustering with Weighted Anchor Graph Embedding

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摘要

A number of literature reports have shown that multi-view clustering can acquire a better performance on complete multi-view data. However, real-world data usually suffers from missing some samples in each view and has a small number of labeled samples. Additionally, almost all existing multi-view clustering models do not execute incomplete multi-view data well and fail to fully utilize the labeled samples to reduce computational complexity, which precludes them from practical application. In view of these problems, this paper proposes a novel framework called Semi-supervised Multi-View Clustering with Weighted Anchor Graph Embedding (SMVC_WAGE), which is conceptually simple and efficiently generates high-quality clustering results in practice. Specifically, we introduce a simple and effective anchor strategy. Based on selected anchor points, we can exploit the intrinsic and extrinsic view information to bridge all samples and capture more reliable nonlinear relations, which greatly enhances efficiency and improves stableness. Meanwhile, we construct the global fused graph compatibly across multiple views via a parameter-free graph fusion mechanism which directly coalesces the view-wise graphs. To this end, the proposed method can not only deal with complete multi-view clustering well but also be easily extended to incomplete multi-view cases. Experimental results clearly show that our algorithm surpasses some state-of-the-art competitors in clustering ability and time cost.
机译:许多文献报道表明,多视图聚类可以在完整的多视图数据上获得更好的性能。但是,真实世界的数据通常会在每个视图中缺少一些样本,并且具有少量标记的样本。此外,现有的多视图聚类模型几乎都不能很好地执行不完整的多视图数据,并且无法充分利用标记样本来降低计算复杂度,这阻碍了它们的实际应用。针对这些问题,本文提出了一种新的框架,即基于加权锚点图嵌入的半监督多视图聚类(SMVC_WAGE),该框架在概念上简单,在实践中能够高效地产生高质量的聚类结果。具体来说,我们介绍了一种简单有效的锚定策略。基于选定的锚点,我们可以利用内在和外在视图信息来桥接所有样本并捕获更可靠的非线性关系,从而大大提高了效率并提高了稳定性。同时,我们通过无参数图融合机制直接合并视图图,在多个视图之间兼容构建全局融合图。为此,所提方法不仅能较好地处理完备的多视图聚类,而且易于推广到不完备的多视图情况。实验结果清楚地表明,该算法在聚类能力和时间成本方面都优于一些最先进的竞争对手。

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