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检索条件"主题词=variational autoencoder"
1569 条 记 录,以下是1111-1120 订阅
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VAEAT: variational AutoeEncoder with adversarial training for multivariate time series anomaly detection
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INFORMATION SCIENCES 2024年 676卷
作者: He, Sheng Du, Mingjing Jiang, Xiang Zhang, Wenbin Wang, Congyu Jiangsu Normal Univ Sch Comp Sci & Technol Xuzhou 221116 Peoples R China Shandong Univ Sci & Technol Coll Comp Sci & Engn Qingdao 266590 Peoples R China
High labor costs and the requirement for significant domain expertise often result in a lack of anomaly labels in most time series. Consequently, employing unsupervised methods becomes critical for practical industria... 详细信息
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Inversion of Bayesian networks
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INTERNATIONAL JOURNAL OF APPROXIMATE REASONING 2024年 164卷
作者: van Oostrum, Jesse van Hintum, Peter Ay, Nihat Hamburg Univ Technol Inst Data Sci Fdn Hamburg Germany Univ Oxford New Coll Oxford England Univ Leipzig Leipzig Germany Santa Fe Inst Santa Fe NM USA
variational autoencoders and Helmholtz machines use a recognition network (encoder) to approximate the posterior distribution of a generative model (decoder). In this paper we establish some necessary and some suffici... 详细信息
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Feature Extraction Based on Self-Supervised Learning for Remaining Useful Life Prediction
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JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING 2024年 第2期24卷 021004-021004页
作者: Yu, Zhenjun Lei, Ningbo Mo, Yu Xu, Xin Li, Xiu Huang, Biqing Tsinghua Univ Dept Automat Beijing 100084 Peoples R China Tsinghua Shenzhen Int Grad Sch Div Informat Sci Shenzhen 518055 Peoples R China China Nucl Power Engn Co Ltd Beijing 100840 Peoples R China
The prediction of the remaining useful life (RUL) is of great significance to ensure the safe operation of industrial equipment and to reduce the cost of regular preventive maintenance. However, the complex operating ... 详细信息
来源: 评论
Challenges of Using Synthetic Data Generation Methods for Tabular Microdata
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APPLIED SCIENCES-BASEL 2024年 第14期14卷 5975页
作者: Miletic, Marko Sariyar, Murat Bern Univ Appl Sci Sch Engn & Comp Sci Quellgasse 21 CH-2502 Biel Switzerland
Featured Application This study's findings hold significant implications for enhancing data privacy and utility in healthcare analytics. By evaluating synthetic data generation methods like CTGAN, TVAE, CopulaGAN ... 详细信息
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BmmW: A DNN-based joint BLE and mmWave radar system for accurate 3D localization with-oriented communication
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PERVASIVE AND MOBILE COMPUTING 2024年 102卷
作者: Li, Peizheng Singh, Jagdeep Cui, Han Boano, Carlo Alberto Toshiba Europe Ltd Bristol Res & Innovat Lab Staines Upon Thames England Univ Bristol Bristol England Graz Univ Technol Inst Tech Informat Graz Austria
Bluetooth Low Energy (BLE) has emerged as one of the reference technologies for the development of indoor localization systems, due to its increasing ubiquity, low-cost hardware, and to the introduction of direction -... 详细信息
来源: 评论
Improving disentanglement in variational auto-encoders via feature imbalance-informed dimension weighting
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KNOWLEDGE-BASED SYSTEMS 2024年 296卷
作者: Liu, Yue Yu, Zhenyao Liu, Zitu Yu, Ziyi Yang, Xinyan Li, Xingyue Guo, Yike Liu, Qun Wang, Guoyin Shanghai Univ Sch Comp Engn & Sci Shanghai 200444 Peoples R China Shanghai Engn Res Ctr Intelligent Comp Syst Shanghai 200444 Peoples R China Imperial Coll London Dept Comp London SW7 2AZ England Chongqing Univ Posts & Telecommun Chongqing Key Lab Computat Intelligence Chongqing 400065 Peoples R China Shanghai Univ Coll Sci Shanghai 200444 Peoples R China
Using variational Auto-Encoder (VAE) to learn disentangled representation holds great promise. But there is a feature imbalance in the learning process of VAEs, and the model usually concentrates on the learning of so... 详细信息
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Stochastic reconstruction of digital cores using two-discriminator VAE-GAN
GEOENERGY SCIENCE AND ENGINEERING
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GEOENERGY SCIENCE AND ENGINEERING 2024年 236卷
作者: Zhang, Ting Shen, Tong Hu, Guangshun Lu, Fangfang Du, Xin Shanghai Univ Elect Power Coll Comp Sci & Technol Shanghai 200090 Peoples R China Univ Sci & Technol China Dept Modern Mech Hefei 230026 Peoples R China
The internal structure of rocks has a great influence on the refined reservoir exploitation. The digital core has been extensively studied to reflect the underlying characteristics of rock structures. Physical experim... 详细信息
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Deep multi-sphere support vector data description based on disentangled representation learning
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PATTERN RECOGNITION 2024年 156卷
作者: Xing, Hong-Jie Wu, Hui-Nan Zhang, Ping-Ping Hebei Univ Sch Cyber Secur & Comp Baoding 071000 Peoples R China Hebei Univ Sch Math & Informat Sci Hebei Key Lab Machine Learning & Computat Intellig Baoding 071002 Peoples R China Hebei Meteorol Bur Hebei Meteorol Informat Ctr Shijiazhuang 050021 Peoples R China Shenzhen Univ Coll Comp Sci & Software Engn Shenzhen 518060 Peoples R China
Deep support vector data description (Deep SVDD) combines deep mapping network and support vector data description (SVDD) to jointly optimize network connection weights and hypersphere volume. However, when the parame... 详细信息
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APGVAE: Adaptive disentangled representation learning with the graph-based structure information
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INFORMATION SCIENCES 2024年 657卷
作者: Ke, Qiao Jing, Xinhui Wozniak, Marcin Xu, Shuang Liang, Yunji Zheng, Jiangbin Northwestern Polytech Univ Sch Math & Stat Xian Peoples R China Northwestern Polytech Univ Sch Software Xian Peoples R China Silesian Tech Univ Fac Appl Math Gliwice Poland Northwestern Polytech Univ Sch Comp Sci Xian Peoples R China
Neural networks are used to learn task-oriented high-level representations in an end-to-end manner by building a multi-layer neural network. Generation models have developed rapidly with the emergence of deep neural n... 详细信息
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A survey on neural topic models: methods, applications, and challenges
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ARTIFICIAL INTELLIGENCE REVIEW 2024年 第2期57卷 18-18页
作者: Wu, Xiaobao Nguyen, Thong Luu, Anh Tuan Nanyang Technol Univ Sch Comp Sci & Engn 50 Nanyang Ave Singapore 639798 Singapore Natl Univ Singapore Sch Comp 21 Lower Kent Ridge Rd Singapore 119077 Singapore
Topic models have been prevalent for decades to discover latent topics and infer topic proportions of documents in an unsupervised fashion. They have been widely used in various applications like text analysis and con... 详细信息
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