V2EX label noise

Label Noise

释义 Definition

标签噪声:在监督学习等任务中,训练数据的标签(label)存在错误、模糊或不一致的现象(例如把“猫”的图片标成“狗”)。它会降低模型性能,并可能导致模型学到偏差。该术语也可更广义地指任何来自标注过程的“带标签错误”。

例句 Examples

The dataset has label noise because some images are mislabeled.
这个数据集有标签噪声,因为有些图片被标错了。

Label noise can cause a model to overfit incorrect annotations, so we used robust training methods to reduce its impact.
标签噪声可能让模型过拟合错误标注,因此我们使用了更鲁棒的训练方法来降低其影响。

发音 Pronunciation (IPA)

/lebl nz/

词源 Etymology

label 原指“贴在物品上的标签”,在机器学习语境中引申为“样本的类别/目标值(标签)”;noise 意为“噪声、干扰”。合起来的 label noise 字面即“标签里的干扰”,指标注信息不干净、带错误或随机扰动的情况,是数据质量问题的一种常见表述。

相关词 Related Words

文学与著作 Literary Works

  • Deep Learning(Ian Goodfellow, Yoshua Bengio, Aaron Courville):在讨论训练困难与数据问题时常涉及“noisy labels/label noise”等概念。
  • Pattern Recognition and Machine Learning(Christopher M. Bishop):在概率建模与分类误差相关讨论中会提到标签错误/噪声对学习的影响。
  • “Training Deep Neural Networks on Noisy Labels with Bootstrapping”(Reed et al., 2014):直接以带噪声标签(noisy labels/label noise)为主题的经典研究论文。
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