arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2307.03476cs.LGcs.CV
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基于跨视图结构匹配的非配对多视图图聚类

Unpaired Multi-View Graph Clustering with Cross-View Structure Matching

National University of Defense Technology(国防科技大学);Harbin Institute of Technology(哈尔滨工业大学)

Yi Wen, Siwei Wang, Qing Liao, Weixuan Liang, Ke Liang, Xinhang Wan, Xinwang Liu

AI总结:

本文针对多视图聚类中数据非配对问题,提出无参数的UPMGC-SM框架,利用跨视图结构匹配优化样本对应关系,统一处理完全与部分非配对场景,并验证了其有效性和泛化性。

摘要:

多视图聚类(MVC)能够有效融合来自多个视图的信息以获得更好的性能,因而受到越来越多的关注。现有大多数MVC方法假设多视图数据是完全配对的,即所有对应样本在视图之间的映射是预先定义或提前给定的。然而,在现实应用中,由于数据损坏或传感器差异,数据对应关系往往不完整,这在多视图文献中被称为数据非配对问题(DUP)。尽管已有一些工作尝试解决DUP问题,但它们存在以下不足:1)大多数方法侧重于特征表示,而忽略了多视图数据的结构信息,而结构信息对聚类任务至关重要;2)针对部分非配对问题的现有方法依赖预先给定的跨视图对齐信息,导致其无法处理完全非配对问题;3)它们不可避免的参数降低了模型的效率和适用性。为解决这些问题,我们提出了一种新颖的无参数图聚类框架,称为具有跨视图结构匹配的非配对多视图图聚类框架(UPMGC-SM)。具体而言,与现有方法不同,UPMGC-SM有效利用每个视图的结构信息来优化跨视图对应关系。此外,我们的UPMGC-SM是一个统一框架,可同时适用于完全和部分非配对的多视图图聚类。并且,现有的图聚类方法可以采用我们的UPMGC-SM来增强其在非配对场景下的能力。大量实验证明了我们所提框架在配对和非配对数据集上的有效性和泛化性。

英文摘要:

Multi-view clustering (MVC), which effectively fuses information from multiple views for better performance, has received increasing attention. Most existing MVC methods assume that multi-view data are fully paired, which means that the mappings of all corresponding samples between views are pre-defined or given in advance. However, the data correspondence is often incomplete in real-world applications due to data corruption or sensor differences, referred as the data-unpaired problem (DUP) in multi-view literature. Although several attempts have been made to address the DUP issue, they suffer from the following drawbacks: 1) Most methods focus on the feature representation while ignoring the structural information of multi-view data, which is essential for clustering tasks; 2) Existing methods for partially unpaired problems rely on pre-given cross-view alignment information, resulting in their inability to handle fully unpaired problems; 3) Their inevitable parameters degrade the efficiency and applicability of the models. To tackle these issues, we propose a novel parameter-free graph clustering framework termed Unpaired Multi-view Graph Clustering framework with Cross-View Structure Matching (UPMGC-SM). Specifically, unlike the existing methods, UPMGC-SM effectively utilizes the structural information from each view to refine cross-view correspondences. Besides, our UPMGC-SM is a unified framework for both the fully and partially unpaired multi-view graph clustering. Moreover, existing graph clustering methods can adopt our UPMGC-SM to enhance their ability for unpaired scenarios. Extensive experiments demonstrate the effectiveness and generalization of our proposed framework for both paired and unpaired datasets.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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