基于图形嵌入的异质域适应与域不变特征学习和维护分布顺序的分布顺序
Wenxu Wang1, Zhenbo Li2, Weiran Li1
1College of Information and Electrical Engineering, China Agricultural University, Beijing, 100083, China; National Innovation Center for Digital Fishery, China Agricultural University, Beijing, 100083, China.
概括
这项研究引入了一个新的框架 (GHID) 异质域适应 (HDA),以提高模型的准确性和稳定性. GHID有效地对齐域,并保持数据分布,克服了先前HDA方法的局限性.
科学领域:
- 机器学习 机器学习
- 计算机视觉 计算机视觉
- 人工智能的人工智能
背景情况:
- 异质域适应 (HDA) 方法旨在将知识从源域转移到具有不同特征空间的目标域.
- 现有的HDA方法往往因错误的类别对齐和未标记的目标数据造成的分配中断而遭受负面转移.
- 有限的研究集中在HDA模型的稳定性和可解释性上.
研究的目的:
- 提出一个新的基于图形嵌入的异质域不变特征学习和分布式顺序维护框架 (GHID).
- 解决HDA中负转移,稳定性和可解释性的挑战.
- 通过学习域不变特征和保持分布顺序来提高HDA的有效性.
主要方法:
- 为全球域对齐,学习域不变和区分特征提出了一种双向强大的跨域对齐图嵌入结构.
- 提供理论分析,以证明图形结构的可解释性,阐明样本相关性.
- 保持图形嵌入结构的异质歧视分布顺序旨在保持原始域分布并防止负转移,并结合了动态中心点策略以提高稳定性.
主要成果:
- 拟议的GHID框架有效地调整异质域,并学习域不变特征.
- 该方法通过阐明图形结构中的样本相关性来证明改进的解释性.
- 四个基准的实验结果表明,GHID在有效性和稳定性方面优于最先进的HDA方法.
结论:
- GHID框架为异质域适应提供了强大的和可解释的解决方案.
- 通过保持分布顺序和学习域不变特征,GHID可以减轻负转移并提高模型性能.
- 拟议的方法在解决HDA的挑战方面取得了重大进展,特别是在需要稳定性和可解释性的场景中.
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