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English(EN) Multi-source Transfer Learning of Time Series with a Shapelet-based Distance Measure

新的形状元匹配方法改进了时间序列迁移学习

研究人员开发了一种名为形状元匹配(Shapelet Matching)的无训练方法,用于在时间序列迁移学习中选择源数据集。该方法识别目标数据集和潜在源数据集中的判别性形状元以量化相似性,旨在通过组合多个合适的源进行预训练来减轻负迁移。在UCR Archive上使用CNN和Transformer架构进行的评估表明,多源预训练降低了负迁移的风险,并且形状元匹配表现强劲,尤其是在CNN骨干网络上,同时避免了为每个源进行完全预训练的计算成本。 AI

影响 通过优化迁移学习的源数据集选择,提高了时间序列分类的效率和准确性。

排序理由 该集群包含一篇详细介绍时间序列迁移学习新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新的形状元匹配方法改进了时间序列迁移学习

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该集群包含一篇详细介绍时间序列迁移学习新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Jiseok Lee, Brian Kenji Iwana ·

    基于形状元的时间序列多源迁移学习距离度量

    arXiv:2609.15148v1 Announce Type: new Abstract: Transfer learning is an effective technique for addressing data scarcity in deep learning for time series classification, but its success depends on the selection of source datasets. Conventional transferability estimation methods a…