V2EX semi-supervised learning

Semi-supervised learning

定义 Definition

半监督学习:一种机器学习方法,训练数据同时包含少量已标注数据(labeled data)和大量未标注数据(unlabeled data),目标是在标注成本较低的情况下提升模型的泛化性能。该术语也常用于深度学习、自然语言处理与计算机视觉中的数据稀缺场景。

发音 Pronunciation (IPA)

/smi svvazd ln/

例句 Examples

Semi-supervised learning can work well when labels are expensive.
当标注成本很高时,半监督学习往往很有效。

By combining a small labeled set with a large pool of unlabeled images, the model achieved higher accuracy through semi-supervised learning.
通过将少量已标注样本与大量未标注图像结合,模型借助半监督学习获得了更高的准确率。

词源 Etymology

semi- 来自拉丁语 semi,意为“半、部分”;supervised 源自 supervise(监督、指导),表示“有标签/有指导的”;learning 为“学习”。合起来字面意思是“半(部分)监督的学习”,强调训练过程中只有一部分数据带有监督信号(标签)。

相关词 Related Words

文学与著作 Literary Works

  • Semi-Supervised Learning(Olivier Chapelle, Bernhard Schlkopf, Alexander Zien 编,2006)
  • Pattern Recognition and Machine Learning(Christopher M. Bishop,2006)
  • Deep Learning(Ian Goodfellow, Yoshua Bengio, Aaron Courville,2016)
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