TMLC-Net 能跨数据集自动修正噪声标签,无需重新训练。
TMLC-Net: Transferable Meta Label Correction for Noisy Label Learning
- 通过动态感知、时序编码和子类解码实现通用标签修复
- 在多个噪声类型下准确率超越现有方法,提升显著
- 适合需要鲁棒训练的工业级真实数据场景
真实数据集中噪声标签普遍存在,严重制约深度学习模型部署。尽管元学习方法在应对该问题上展现出潜力,但现有方法常受限于可迁移性差和任务特定设计。本文提出 TMLC-Net,一种可迁移的元学习标签修正网络,旨在克服上述局限。TMLC-Net 学习一种通用标签修正策略,可直接应用于不同数据集与模型架构,无需大量重训练或微调。其核心包含三个模块:(1) 归一化噪声感知,捕捉并归一化训练动态以应对分布偏移;(2) 时间序列编码,利用循环神经网络建模样本统计量的时序演化;(3) 子类解码,基于学习表征预测修正后的标签分布。我们在多种噪声类型与水平的基准数据集上进行了广泛实验,结果表明 TMLC-Net 在准确率与抗噪鲁棒性方面均持续优于当前最优方法。此外,我们分析了其可迁移性,验证其在新数据集与噪声条件下的适应能力,确立其作为噪声环境中鲁棒深度学习普适解决方案的潜力。
原文摘要 · Abstract (English)
The prevalence of noisy labels in real-world datasets poses a significant impediment to the effective deployment of deep learning models. While meta-learning strategies have emerged as a promising approach for addressing this challenge, existing methods often suffer from limited transferability and task-specific designs. This paper introduces TMLC-Net, a novel Transferable Meta-Learner for Correcting Noisy Labels, designed to overcome these limitations. TMLC-Net learns a general-purpose label correction strategy that can be readily applied across diverse datasets and model architectures without requiring extensive retraining or fine-tuning. Our approach integrates three core components: (1) Normalized Noise Perception, which captures and normalizes training dynamics to handle distribution shifts; (2) Time-Series Encoding, which models the temporal evolution of sample statistics using a recurrent neural network; and (3) Subclass Decoding, which predicts a corrected label distribution based on the learned representations. We conduct extensive experiments on benchmark datasets with various noise types and levels, demonstrating that TMLC-Net consistently outperforms state-of-the-art methods in terms of both accuracy and robustness to label noise. Furthermore, we analyze the transferability of TMLC-Net, showcasing its adaptability to new datasets and noise conditions, and establishing its potential as a broadly applicable solution for robust deep learning in noisy environments.
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