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Study of Restrained Network Structures for Wasserstein Generative Adversarial Networks (WGANs) on Numeric Data Augmentation
Wang, Wei1,2; Wang, Chuang1; Cui, Tao3; Li, Yue1,2
2020
Source PublicationIEEE ACCESS
ISSN2169-3536
Volume8Pages:89812-89821
AbstractSome recent studies have suggested using Generative Adversarial Network (GAN) for numeric data over-sampling, which is to generate data for completing the imbalanced numeric data. Compared with the conventional over-sampling methods, taken SMOTE as an example, the recently-proposed GAN schemes fail to generate distinguishable augmentation results for classifiers. In this paper, we discuss the reason for such failures, based on which we further study the restrained conditions between $G$ and $D$ theoretically, and propose a quantitative indicator of the restrained structure, called Similarity of the Restrained Condition (SRC) to measure the restrained conditions. Practically, we propose several candidate solutions, which are isomorphic (IWGAN) mirror (MWGAN) and self-symmetric WGAN (SWGAN) for restrained conditions. Besides, the restrained WGANs enhance the classification performance in AUC on five classifiers compared with the original data as the baseline, conventional SMOTE, and other GANs add up to 20 groups of experiments in four datasets. The restrained WGANs outperform all others in 17/20 groups, among which IWGAN accounted for 15/17 groups and the SRC is an effective measure in evaluating the restraints so that further GAN structures with G-D restrains could be designed on SRC. Multidimensional scaling (MDS) is introduced to eliminate the impact of datasets and evaluation of the AUC in a composite index and IWGAN decreases the MDS distance by 20 & x0025; to 40 & x0025;. Moreover, the convergence speed of IWGAN is increased, and the initial error of loss function is reduced.
KeywordGallium nitride Generative adversarial networks Tensile stress Generators Indexes Training Numerical models Restrained network structures generative adversarial network numeric data augmentation
DOI10.1109/ACCESS.2020.2993839
Indexed BySCI
Language英语
Funding ProjectTianjin Natural Science Foundations[17JCYBJC23000] ; National Key Research and Development Program of China[2018hjyzkfkt-002] ; National Key Research and Development Program of China[2016YFB0201304] ; Fundamental Research Funds for the Central Universities, Nankai University[070/63191114]
WOS Research AreaComputer Science ; Engineering ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000538727700078
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/51655
Collection中国科学院数学与系统科学研究院
Corresponding AuthorLi, Yue
Affiliation1.Nankai Univ, Coll Comp Sci, Tianjin 300350, Peoples R China
2.Key Lab Med Data Anal & Stat Res Tianjin KLMDASR, Tianjin 300350, Peoples R China
3.Chinese Acad Sci, Acad Math & Syst Sci, Natl Ctr Math & Interdisciplinary Sci, State Key Lab Sci & Engn Comp, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Wei,Wang, Chuang,Cui, Tao,et al. Study of Restrained Network Structures for Wasserstein Generative Adversarial Networks (WGANs) on Numeric Data Augmentation[J]. IEEE ACCESS,2020,8:89812-89821.
APA Wang, Wei,Wang, Chuang,Cui, Tao,&Li, Yue.(2020).Study of Restrained Network Structures for Wasserstein Generative Adversarial Networks (WGANs) on Numeric Data Augmentation.IEEE ACCESS,8,89812-89821.
MLA Wang, Wei,et al."Study of Restrained Network Structures for Wasserstein Generative Adversarial Networks (WGANs) on Numeric Data Augmentation".IEEE ACCESS 8(2020):89812-89821.
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