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Improved generative adversarial network with bald eagle search optimization for missing data imputation

delete2025-05-02
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PRE
AI
X
Xiwen Qin
H
Hongyu Shi *
X
Xiaogang Dong
S
Siqi Zhang
L
Liping Yuan
S
Sijia Guo
DOI:10.1007/s12145-025-01887-wdelete
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摘要

摘要

En 中文
缺失数据插补是一项关键任务,因为不完整的数据集可能会对模型性能产生负面影响。传统的插补方法往往无法捕捉数据内部的复杂关系,导致对复杂模式的表征不佳以及预测准确性的降低。基于生成对抗网络(GAN)的插补方法经常遇到诸如超参数调优困难和模式崩溃等挑战。在本文中,我们提出了一种改进的GAN-based插补框架,称为BESGAIN。具体而言,BESGAIN引入了白头海雕搜索(BES)优化算法来动态调整超参数,以确保高质量的数据插补。此外,我们整合了一个增强的损失函数,利用余弦相似度来提高数据多样性。这有助于防止因对单一数据模式过拟合而导致的性能下降。因此,BESGAIN实现了更丰富且更准确的插补值集合。我们在七个真实数据集上验证了BESGAIN的性能,并将其与最先进和广泛使用的插补方法进行比较。实验结果表明,BESGAIN在准确性、鲁棒性和泛化能力方面优于现有技术,特别是在缺失率较高的数据集中表现尤为突出。
Keyword:
Generative adversarial imputation networks
Bald eagle search optimization algorithm
Mode collapse
Missing data

期刊

Earth Science Informatics 封面图
Earth Science Informatics
IF:
3
论文数:
686
被引数:
3.3K

机构

J
Jilin Prov Key Lab Data Sci and Intelligent Decis
学者数:
5
论文数: 2
被引数: 1
S
sun yat sen university
学者数:
1.2W
论文数: 3.9K
被引数: 1.2K
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