V2EX noisy-labels

Noisy Labels

Definition / 释义

noisy labels 指“带噪声的标签/不准确的标注”:在数据集中,样本的类别或目标值被错误标注不一致标注,或因主观判断、采集流程、自动标注等原因导致标签不可靠。在机器学习中,这会降低模型训练效果并引入偏差。(也常写作 label noise

Pronunciation / 发音

/nzi leblz/

Examples / 例句

The dataset has noisy labels, so the model makes many mistakes.
这个数据集的标签有噪声,所以模型会犯很多错误。

Even with millions of images, noisy labels can cause a classifier to learn the wrong patterns unless we use robust training methods.
即使有数百万张图片,带噪声的标签也可能让分类器学到错误模式,除非我们使用更鲁棒的训练方法。

Etymology / 词源

noisy 来自 noise(噪声),本义是“嘈杂的”,在统计与机器学习语境中常引申为“含有随机误差/干扰的”。label 源自法语 label/étiquette(标签、标记),表示给事物贴上的名称或类别。两者组合成 noisy labels,用于描述“标签层面的噪声/误标”,是数据标注与监督学习里常见的术语。

Related Words / 相关词

Literary Works / 文学作品

  • Training Deep Neural Networks on Noisy Labels with Bootstrapping(Reed et al., 2014)讨论在noisy labels 下通过“自举/自训练”缓解误标影响。
  • Making Deep Neural Networks Robust to Label Noise: a Loss Correction Approach(Patrini et al., 2017)以“标签噪声/带噪声标签”为核心问题,提出损失修正方法。
  • Co-teaching: Robust Training of Deep Neural Networks with Extremely Noisy Labels(Han et al., 2018)以“极端 noisy labels”为背景,提出双网络互教训练策略。
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