Sample selection for noisy partial label learning with interactive contrastive learning

Xiaotong Yu

doi:10.1016/j.patcog.2025.111681

Sample selection for noisy partial label learning with interactive contrastive learning

2025-05-07

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AI

DOI：10.1016/j.patcog.2025.111681

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In the context of weakly supervised learning, partial label learning (PLL) addresses situations where each training instance is associated with a set of partial labels, with only one being accurate. However, in complex realworld tasks, the restrictive assumption may be invalid which means the ground-truth may be outside the candidate label set. In this work, we loose the constraints and address the noisy label problem for PLL. First, we introduce a selection strategy, which enables deep models to select clean samples via the loss values of flipped and original images. Besides, we progressively identify the true labels of the selected samples and ensemble two models to acquire the knowledge of unselected samples. To extract better feature representations, we introduce pseudo-labeled interactive contrastive learning to aggregate cross-network information of all samples. Experimental results verify that our approach surpasses baseline methods on noisy PLL task with different levels of label noise.

Keywords:

Partial label learning

Noisy label learning

Contrastive learning

Machine learning

Sample selection for noisy partial label learning with interactive contrastive learning

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