V2EX domain adaptation

Domain Adaptation

定义 Definition

(机器学习/自然语言处理/计算机视觉)领域自适应:指把在一个数据分布(源领域,source domain)上学到的模型,迁移并调整到另一个分布不同但任务相关的领域(目标领域,target domain)上,以提升目标领域的效果。该术语在迁移学习(transfer learning)中非常常见。(也可更一般地指“对新环境/场景的适应”,但最常用的是上述技术含义。)

发音 Pronunciation (IPA)

/dmen dpten/

词源 Etymology

domain 源自拉丁语 dominium(“领地、管辖范围”),在现代学术语境中引申为“领域/数据分布/应用场景”;adaptation 来自拉丁语 adaptare(“使适合、调整”)。合在一起强调:让模型或方法适配新的领域

例句 Examples

Domain adaptation helps a model work well on new data.
领域自适应能帮助模型在新数据上也表现良好。

Without domain adaptation, a classifier trained on studio photos may fail on images taken in the wild because the data distributions differ.
如果没有领域自适应,用棚拍照片训练的分类器可能在真实环境拍摄的图像上失效,因为数据分布不同。

相关词 Reated Words

文献/著作中的用例 Literary & Notable Works

  • “Domain Adaptation in Computer Vision Applications”(Gabriela Csurka 编,Springer,2017)
  • “A Survey on Transfer Learning”(Sinno Jialin Pan & Qiang Yang,IEEE TKDE,2010;涵盖 domain adaptation 的核心概念)
  • “Domain-Adversarial Training of Neural Networks”(Yaroslav Ganin 等,JMLR,2016;提出经典的对抗式领域自适应方法)
  • “Unsupervised Domain Adaptation by Backpropagation”(Ganin & Lempitsky,ICML,2015)
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