V2EX pseudo-labeling

Pseudo-labeling

释义 Definition

伪标签(伪标注):一种常用于半监督学习的技术。先用已训练的模型给未标注数据预测“标签”,把这些预测当作临时的“真标签”(伪标签),再将其加入训练以提升模型表现(通常会配合置信度阈值来筛选可靠样本)。在一些语境中也可泛指“用模型自动生成标签”的做法。

发音 Pronunciation (IPA)

/sudo lebl/

例句 Examples

Pseudo-labeling can help when you have very few labeled images.
伪标签可以在你只有很少标注图像时提供帮助。

By iteratively applying pseudo-labeling with a confidence threshold, the team improved accuracy on the target domain without collecting new annotations.
通过在设定置信度阈值的前提下迭代使用伪标签,该团队在不新增人工标注的情况下提升了目标领域的准确率。

词源 Etymology

pseudo- 源自希腊语 pseudes,意为“假的、伪的”;label 来自中古法语 label/lebel,指“标签、标记”。组合成 pseudo-label(伪标签),再加 -ing 构成名词 pseudo-labeling,表示“进行伪标注/使用伪标签的过程与方法”。

相关词 Related Words

文学与作品 Literary Works

  • D.-H. Lee (2013), Pseudo-Label: The Simple and Efficient Semi-Supervised Learning Method for Deep Neural Networks(提出并系统化“pseudo-label”用于半监督学习的经典论文)
  • Kumar, Sattigeri & Balakrishnan (2010), Semi-Supervised Learning by Self-Training(自训练框架中常讨论与伪标签相近的做法)
  • Sohn et al. (2020), FixMatch: Simplifying Semi-Supervised Learning with Consistency and Confidence(广泛使用“pseudo-labeling/伪标签”思想:高置信度预测作为训练信号)
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