通过最佳运输和对抗性学习增强开放式域名适应性
Qing Tian1, Yi Zhao2, Keyang Cheng3
1School of Software, Nanjing University of Information Science and Technology, Nanjing China; Wuxi Institute of Technology, Nanjing University of Information Science and Technology, Wuxi China; MIIT Key Laboratory of Pattern Analysis and Machine Intelligence, Nanjing University of Aeronautics and Astronautics, Nanjing China.
概括
开放式域调整 (OSDA) 方法与目标域数据发生冲突. 我们的最佳传输和对抗性学习 (OTAL) 框架通过更好地区分已知的和未知的类来改善知识传输.
科学领域:
- 计算机科学 计算机科学
- 人工智能的人工智能
- 机器学习 机器学习
背景情况:
- 开放式域调整 (OSDA) 将知识从源域转移到目标域,其中源类是目标类的子集.
- 在OSDA的一个关键挑战是调整域,同时分离已知和未知的目标类.
- 现有的方法通常将未知类视为单一组,限制歧视性信息和决策边界清晰度.
研究的目的:
- 提出一个新的框架,最佳运输和对抗性学习 (OTAL),以解决当前OSDA方法的局限性.
- 加强在目标领域内获取歧视性信息.
- 改进OSDA中已知和未知类之间的决策界限.
主要方法:
- 引入了优化运输 (OT) 与相似性矩阵,用于集群中的特征对原型映射.
- 采用三向域区分器来对准已知的样本分布和构建决策边界.
- 对标准图像分类数据集的框架进行了评估:Office-31,Office-Home和VisDA-2017.
主要成果:
- 与现有的最先进的方法相比,拟议的OTAL框架表现出优越的性能.
- 最佳运输方便学习有区别的信息,并捕捉目标域的内在结构.
- 三向域区分器有效地帮助分离已知和未知类.
结论:
- 通过改善歧视性信息获取和决策边界清晰度,OTAL有效地克服了之前OSDA方法的局限性.
- 最佳运输和对抗性学习的整合为推进OSDA研究提供了一个有希望的方向.
- 该框架显示了对现实世界应用程序的巨大潜力,这些应用程序需要对未知的类进行强大的域调整.
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