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arXiv 2602.00262cs.CVcs.AI
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不完整数据上的子空间聚类与自监督对比学习

Subspace Clustering on Incomplete Data with Self-Supervised Contrastive Learning

Department of Electrical Engineering, Biostatistics(电气工程与生物统计学系);Wisconsin Institute of Discovery(威斯康星发现研究所);University of Wisconsin-Madison(威斯康星大学麦迪逊分校)

Huanran Li, Daniel Pimentel-Alarcón

AI总结:

本文提出对比子空间聚类(CSC)方法,通过自监督对比学习处理不完整数据,实现鲁棒的子空间聚类。

摘要:

子空间聚类旨在将位于低维子空间联合的数据点分组,并广泛应用于计算机视觉、高光谱成像和推荐系统。然而,现有大多数方法假设数据完全观测,限制了其在现实场景中缺失条目的有效性。在本文中,我们提出了一种对比自监督框架,即对比子空间聚类(CSC),用于聚类不完整数据。CSC生成部分观测输入的掩码视图,并使用类似SimCLR的对比损失训练深度神经网络以学习不变嵌入。这些嵌入随后通过稀疏子空间聚类进行聚类。在六个基准数据集上的实验表明,CSC在经典和深度学习基线中始终表现优异,展示了对缺失数据的强鲁棒性和对大规模数据集的可扩展性。

英文摘要:

Subspace clustering aims to group data points that lie in a union of low-dimensional subspaces and finds wide application in computer vision, hyperspectral imaging, and recommendation systems. However, most existing methods assume fully observed data, limiting their effectiveness in real-world scenarios with missing entries. In this paper, we propose a contrastive self-supervised framework, Contrastive Subspace Clustering (CSC), designed for clustering incomplete data. CSC generates masked views of partially observed inputs and trains a deep neural network using a SimCLR-style contrastive loss to learn invariant embeddings. These embeddings are then clustered using sparse subspace clustering. Experiments on six benchmark datasets show that CSC consistently outperforms both classical and deep learning baselines, demonstrating strong robustness to missing data and scalability to large 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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