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检索条件"主题词=expectation-maximization algorithm"
625 条 记 录,以下是201-210 订阅
排序:
A hybrid EM approach to spatial clustering
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COMPUTATIONAL STATISTICS & DATA ANALYSIS 2006年 第5期50卷 1188-1205页
作者: Hu, TM Sung, SY Natl Univ Singapore Dept Comp Sci Singapore 117543 Singapore
Spatial clustering requires consideration of spatial information and this makes expectation-maximization (EM) algorithm that maximizes likelihood alone inappropriate. Although neighborhood EM (NEM) algorithm incorpora... 详细信息
来源: 评论
Robust generative asymmetric GMM for brain MR image segmentation
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COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2017年 151卷 123-138页
作者: Ji, Zexuan Xia, Yong Zheng, Yuhui Nanjing Univ Sci & Technol Sch Comp Sci & Engn Nanjing 210094 Jiangsu Peoples R China Northwestern Polytech Univ Sch Comp Sci Shaanxi Key Lab Speech & Image Informat Proc SAII Xian 710072 Shaanxi Peoples R China Northwestern Polytech Univ Sch Comp Sci CMCC Xian 710072 Shaanxi Peoples R China Nanjing Univ Informat Sci & Technol Sch Comp & Software Nanjing 210044 Jiangsu Peoples R China
Background and objectives: Accurate segmentation of brain tissues from magnetic resonance (MR) images based on the unsupervised statistical models such as Gaussian mixture model (GMM) has been widely studied during la... 详细信息
来源: 评论
Sparse Variational Bayesian SAGE algorithm With Application to the Estimation of Multipath Wireless Channels
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2011年 第8期59卷 3609-3623页
作者: Shutin, Dmitriy Fleury, Bernard H. Princeton Univ Dept Elect Engn Princeton NJ 08544 USA Aalborg Univ Dept Elect Syst Sect Nav & Commun DK-9220 Aalborg Denmark
In this paper, we develop a sparse variational Bayesian (VB) extension of the space-alternating generalized expectation-maximization (SAGE) algorithm for the high resolution estimation of the parameters of relevant mu... 详细信息
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Reducing the uncertainties in the achievable vehicle performance targets through design optimization
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PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING 2014年 第9期228卷 1061-1083页
作者: Yuen, Tey Jing Ramli, Rahizar Univ Malaya Fac Engn Dept Mech Engn Kuala Lumpur 50603 Malaysia
In this paper an alternative method is proposed for defining the suspension performance targets through the use of full-vehicle modelling consisting of a ride model and a handling model. These models are derived with ... 详细信息
来源: 评论
Are attitudes toward immigration changing in Europe? An analysis based on latent class IRT models
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ADVANCES IN DATA ANALYSIS AND CLASSIFICATION 2022年 第2期16卷 235-271页
作者: Genge, Ewa Bartolucci, Francesco Univ Econ Dept Econ & Financial Anal Bogucicka 3a St PL-40228 Katowice Poland Univ Perugia Dept Econ Via A Pascoli 20 I-06123 Perugia Italy
We analyze the changing attitudes toward immigration in EU host countries in the last few years (2010-2018) on the basis of the European Social Survey data. These data are collected by the administration of a question... 详细信息
来源: 评论
MODELING AND CLASSIFICATION OF DEATHS DUE TO COVID-19 BASED ON MACHINE LEARNING TECHNIQUE
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THERMAL SCIENCE 2023年 第1期27卷 405-410页
作者: Alharbi, Randa Univ Tabuk Fac Sci Dept Stat Tabuk Saudi Arabia
Statistical classification is recently considered one of the most important and most common methods in machine learning models and consists of building mod-els that define the target of research interest. There are ma... 详细信息
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Multiphase learning for an interval-based hybrid dynamical system
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IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 2005年 第11期E88A卷 3022-3035页
作者: Kawashima, H Matsuyama, T Kyoto Univ Grad Sch Informat Kyoto 6068501 Japan
This paper addresses the parameter estimation problem of an interval-based hybrid dynamical system (interval system). The interval system has a two-layer architecture that comprises a finite state automaton and multip... 详细信息
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Clustering ensembles of neural network models
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NEURAL NETWORKS 2003年 第2期16卷 261-269页
作者: Bakker, B Heskes, T Univ Nijmegen SNN NL-6525 EZ Nijmegen Netherlands
We show that large ensembles of (neural network) models, obtained e.g. in bootstrapping or sampling from (Bayesian) probability distributions, can be effectively summarized by a relatively small number of representati... 详细信息
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Automatic detection of wakefulness and rest intervals in actigraphic signals: A data-driven approach
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MEDICAL ENGINEERING & PHYSICS 2014年 第12期36卷 1585-1592页
作者: Martin-Martinez, D. Casaseca-de-la-Higuera, P. Andres-de-Llano, J. M. Garmendia-Leiza, J. R. Alberola-Lopez, S. Alberola-Lopez, C. Univ Valladolid Lab Proc Imagen Valladolid Spain Univ West Scotland Audio Visual Commun & Networking Res Ctr Paisley Renfrew Scotland
Actigraphy is an useful tool for evaluating the activity pattern of a subject;activity registries are usually processed by first splitting the signal into its wakefulness and rest intervals and then analyzing each one... 详细信息
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Segmentation of trabeculated structures using an anisotropic Markov random field: Application to the study of the optic nerve head in glaucoma
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IEEE TRANSACTIONS ON MEDICAL IMAGING 2006年 第3期25卷 245-255页
作者: Grau, V Downs, JC Burgoyne, CF Louisiana State Univ Hlth Sci Ctr LSU Eye Ctr New Orleans LA 70112 USA Tulane Univ Dept Biomed Engn New Orleans LA 70118 USA
The study of the architecture of the optic nerve head (ONH) may provide valuable information about the development and progression of glaucoma. To this end, we have generated three-dimensional datasets from monkey eye... 详细信息
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