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检索条件"主题词=Expectation maximisation algorithm"
30 条 记 录,以下是1-10 订阅
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Constrained expectation maximisation algorithm for estimating ARMA models in state space representation
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EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING 2020年 第1期2020卷 23-23页
作者: Galka, Andreas Moontaha, Sidratul Siniatchkin, Michael Bundeswehr Tech Ctr Ships & Naval Weap Naval Technol & Res WTD 71 Berliner Str 115 Eckernforde Germany Univ Kiel Inst Med Psychol & Med Sociol Preusserstr 1-9 Kiel Germany Potsdam Univ Digital Hlth Ctr Hasso Plattner Inst Rudolf Breitscheid Str 187 Potsdam Germany Clin Pediat & Adolescent Psychiat & Psychotherapy Remterweg 13a Bielefeld Germany
This paper discusses the fitting of linear state space models to given multivariate time series in the presence of constraints imposed on the four main parameter matrices of these models. Constraints arise partly from... 详细信息
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Robust multi-response surface optimisation based on Bayesian quantile model
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INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH 2023年 第10期61卷 3260-3278页
作者: Yang, Shijuan Wang, Jianjun Tu, Yiliu Han, Yunxia Ren, Xiaolei Ding, Chunfeng Chen, Xiaoying Nanjing Univ Sci & Technol Dept Management Sci & Engn 200 Xiaolingwei Nanjing 210094 Jiangsu Peoples R China Univ Calgary Dept Mech & Mfg Engn Nw Calgary AB Canada Yangzhou Univ Business Sch Yangzhou Jiangsu Peoples R China
In robust parameter design, model parameter uncertainty and quality of experimental data often affect the establishment of response surface models, which in turn affect the acquisition of the optimal operating conditi... 详细信息
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On theoretical justification of the forward-backward algorithm for the variational learning of Bayesian hidden Markov models
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IET SIGNAL PROCESSING 2022年 第6期16卷 674-679页
作者: Li, Tao Ma, Jinwen Peking Univ Dept Informat & Computat Sci Sch Math Sci & LMAM Beijing 100871 Peoples R China
In the variational learning process of a Bayesian Hidden Markov model, the forward-backward algorithm is heuristically applied without theoretical justification. This is potentially problematic, because the original d... 详细信息
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Maximum likelihood inference for a class of discrete-time Markov switching time series models with multiple delays
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EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING 2024年 第1期2024卷 74页
作者: Martinez-Ordonez, Jose. A. Lopez-Santiago, Javier Miguez, Joaquin Univ Carlos III Madrid Dept Signal Theory & Commun Madrid Spain
Autoregressive Markov switching (ARMS) time series models are used to represent real-world signals whose dynamics may change over time. They have found application in many areas of the natural and social sciences, as ... 详细信息
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Image patch prior learning based on random neighbourhood resampling for image denoising
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IET IMAGE PROCESSING 2020年 第5期14卷 838-844页
作者: Ji, Jian Wei, Jiajie Fan, Guoliang Bai, Mengqi Huang, Jingjing Miao, Qiguang Xidian Univ Sch Comp Sci & Technol Xian 710071 Peoples R China Oklahoma State Univ Sch Elect & Comp Engn Stillwater OK 74078 USA
Image patch priors become a popular tool for image denoising. The Gaussian mixture model (GMM) is remarkably effective in modelling natural image patches. However, GMM prior learning using the expectation maximisation... 详细信息
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Automated acute lymphoblastic leukaemia detection system using microscopic images
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IET IMAGE PROCESSING 2019年 第13期13卷 2548-2553页
作者: Sukhia, Komal Nain Ghafoor, Abdul Riaz, Muhammad Mohsin Iltaf, Naima NUST Islamabad Pakistan COMSATS Islamabad CAST Islamabad Pakistan
An automatic and novel approach for acute lymphoblastic leukaemia classification is proposed. The proposed scheme is based on pre-processing and segmentation of white blood cell nuclei using expectation maximisation a... 详细信息
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HANKEL-EM-SVD: a hybrid data dropout estimation technique for high voltage partial discharge signals
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IET SCIENCE MEASUREMENT & TECHNOLOGY 2019年 第6期13卷 824-835页
作者: Govindarajan, Suganya Subbaiah, Jayalalitha Krithivasan, Kannan Natarajan, Muthukumar SASTRA Deemed Be Univ Sch EEE Thanjavur Tamil Nadu India SASTRA Deemed Be Univ Tata Realty Srinivasa Ramanujam Res Cell Data Sci Lab Thanjavur India
Partial discharge (PD) measurement and characterisation is the most effective method to assess the insulation conditions of equipment for its diagnosis. A significant challenge in this area is PD denoising. Despite re... 详细信息
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Robust external calibration of terrestrial laser scanner and digital camera for structural monitoring
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JOURNAL OF APPLIED GEODESY 2019年 第2期13卷 105-134页
作者: Omidalizarandi, Mohammad Kargoll, Boris Paffenholz, Jens-Andre Neumann, Ingo Leibniz Univ Hannover Geodet Inst Nienburger Str 1 D-30167 Hannover Germany
In the last two decades, the integration of a terrestrial laser scanner (TLS) and digital photogrammetry, besides other sensors integration, has received considerable attention for deformation monitoring of natural or... 详细信息
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Conditional anomaly detection based on a latent class model
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TOTAL QUALITY MANAGEMENT & BUSINESS EXCELLENCE 2019年 第Sup1期30卷 S227-S239页
作者: Ohkubo, Masato Nagata, Yasushi Toyo Univ Dept Business Adm Fac Business Adm Bunkyo City Japan Waseda Univ Sch Creat Sci & Engn Dept Ind & Management Syst Engn Shinjuku City Japan
In recent years, the progress of the Internet of Things has promoted data utilisation in manufacturing industries and has created new possibilities for monitoring the condition of production equipment. By applying ano... 详细信息
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Switching LDS detection for GNSS-based train integrity monitoring system
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IET INTELLIGENT TRANSPORT SYSTEMS 2017年 第5期11卷 299-307页
作者: Li, Sihui Cai, Baigen Wei Shangguan Schnieder, Eckehard Toro, Federico Grasso Beijing Jiaotong Univ Sch Elect & Informat Engn Beijing Peoples R China Tech Univ Carolo Wilhelmina Braunschweig Inst Traff Safety & Automat Engn Braunschweig Germany
Train integrity whilst in service establishes the foundation for railway safety. This study investigates train integrity detection which reliably deduces whether the train consists remain intact. A switching linear dy... 详细信息
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