Výsledky vyhledávání - Weighted expectation maximization algorithm

Community Detection with Heterogeneous Block Covariance Model.

Autoři: Li, Xiang Zhao, Yunpeng Pan, Qing a další

Zdroj: Journal of Computational & Graphical Statistics. May2025, p1-14. 14p. 6 Illustrations.

Témata: *CLUSTER analysis (Statistics), WEIGHTED graphs, EXPECTATION-maximization algorithms, COMPUTER simulation, STATISTICAL models, DYADIC analysis (Social sciences)

Step-and-shoot Dynamic Whole-body PET Parametric Imaging with Weighted Expectation Maximization Algorithm

Autoři: Qing Ye Yizhang Zhao Hancong Xu a další

Zdroj: 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC). :1-3

Témata: 03 medical and health sciences, 0302 clinical medicine

Estimation in a binomial stochastic blockmodel for a weighted graph by a variational expectation maximization algorithm.

Autoři: Haj, Abir El Slaoui, Yousri Louis, Pierre-Yves a další

Zdroj: Communications in Statistics: Simulation & Computation. 2022, Vol. 51 Issue 8, p4450-4469. 20p.

Témata: *STATISTICAL errors, *ALGORITHMS, WEIGHTED graphs, EXPECTATION-maximization algorithms, RANDOM graphs, BINOMIAL distribution, INTEGERS

A New Spatial Filtering Algorithm for Noisy and Missing GNSS Position Time Series Using Weighted Expectation Maximization Principal Component Analysis: A Case Study for Regional GNSS Network in Xinjiang Province

Autoři: Wudong Li Zhao Li Weiping Jiang a další

Zdroj: Remote Sensing, Vol 14, Iss 5, p 1295 (2022)

Témata: common mode error, weighted expectation maximization principal component analysis, GNSS position time series, noisy and missing data, Science

Popis souboru: electronic resource

Relation: https://www.mdpi.com/2072-4292/14/5/1295; https://doaj.org/toc/2072-4292

Přístupová URL adresa: https://doaj.org/article/550831929fd840d6b562944136f3fc52

Community detection in multiplex continous weighted nodes networks using an extension of the stochastic block model.

Autoři: El Haj, Abir¹ (AUTHOR) abir.el-haj@isen-ouest.yncrea.fr

Zdroj: Computing. Nov2024, Vol. 106 Issue 11, p3711-3725. 15p.

Témata: *STOCHASTIC models, *SOCIAL networks, *MULTIPLEXING, EXPECTATION-maximization algorithms

QUASI MAXIMUM LIKELIHOOD ESTIMATION AND INFERENCE OF LARGE APPROXIMATE DYNAMIC FACTOR MODELS VIA THE EM ALGORITHM.

Autoři: Barigozzi, Matteo Luciani, Matteo

Zdroj: Working Papers: U.S. Federal Reserve Board's Finance & Economic Discussion Series. Oct2024, p1-41. 134p.

Témata: MAXIMUM likelihood statistics, EXPECTATION-maximization algorithms, KALMAN filtering, LEAST squares, PRINCIPAL components analysis

Modeling and monitoring multilayer attributed weighted directed networks via a generative model.

Autoři: Wu, Hao Liang, Qiao Wang, Kaibo

Zdroj: IISE Transactions. Aug2024, Vol. 56 Issue 8, p902-914. 13p.

Témata: *QUALITY control charts, *STATISTICAL process control, *PARAMETER estimation, EXPECTATION-maximization algorithms

An Expectation-Maximization Algorithm to Estimate the Integrated Choice and Latent Variable Model

Autoři: Sohn, Keemin

Zdroj: Transportation Science, 2017 Aug 01. 51(3), 946-967.

Přístupová URL adresa: https://www.jstor.org/stable/45154626

Merging Components in Linear Gaussian Cluster-Weighted Models.

Autoři: Oh, Sangkon Seo, Byungtae

Zdroj: Journal of Classification. Apr2023, Vol. 40 Issue 1, p25-51. 27p.

Témata: *Data analysis, Expectation-maximization algorithms, Parsimonious models

Maximum weighted likelihood estimator for robust heavy-tail modelling of finite mixture models.

Autoři: Fung, Tsz Chai¹ (AUTHOR) tfung@gsu.edu

Zdroj: Insurance: Mathematics & Economics. Nov2022, Vol. 107, p180-198. 19p.

Témata: *INSURANCE claims, MAXIMUM likelihood statistics, EXPECTATION-maximization algorithms, MIXTURES

Accelerating L1-penalized expectation maximization algorithm for latent variable selection in multidimensional two-parameter logistic models.

Autoři: Laixu Shang Ping-Feng Xu Na Shan a další

Zdroj: PLoS ONE, Vol 18, Iss 1, p e0279918 (2023)

Témata: Medicine, Science

Popis souboru: electronic resource

Relation: https://doaj.org/toc/1932-6203

Přístupová URL adresa: https://doaj.org/article/887c50f6137745558650cf1795e59a9b

Segmentation of diffusion-weighted brain images using expectation maximization algorithm initialized by hierarchical clustering.

Autoři: Lu CF Wang PS Chou YC a další

Zdroj: Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference [Annu Int Conf IEEE Eng Med Biol Soc] 2008; Vol. 2008, pp. 5502-5.

Způsob vydávání: Journal Article; Research Support, Non-U.S. Gov't

Informace o časopise: Publisher: [IEEE] Country of Publication: United States NLM ID: 101763872 Publication Model: Print Cited Medium: Print ISSN: 2375-7477 (Print) Linking ISSN: 23757477 NLM ISO Abbreviation: Annu Int Conf IEEE Eng Med Biol Soc Subsets: MEDLINE

Výrazy ze slovníku MeSH: Algorithms* , Artificial Intelligence*, Brain/*anatomy & histology , Diffusion Magnetic Resonance Imaging/*methods , Image Interpretation, Computer-Assisted/*methods , Pattern Recognition, Automated/*methods, Aged ; Aged, 80 and over ; Cluster Analysis ; Female ; Humans ; Image Enhancement/methods ; Imaging, Three-Dimensional/methods ; Likelihood Functions ; Male ; Middle Aged ; Reproducibility of Results ; Sensitivity and Specificity

Weighted expectation maximization reconstruction algorithms for thermoacoustic tomography.

Autoři: Zhang J Anastasio MA Pan X a další

Zdroj: IEEE transactions on medical imaging [IEEE Trans Med Imaging] 2005 Jun; Vol. 24 (6), pp. 817-20.

Způsob vydávání: Evaluation Study; Letter

Informace o časopise: Publisher: Institute of Electrical and Electronics Engineers Country of Publication: United States NLM ID: 8310780 Publication Model: Print Cited Medium: Print ISSN: 0278-0062 (Print) Linking ISSN: 02780062 NLM ISO Abbreviation: IEEE Trans Med Imaging Subsets: MEDLINE

Výrazy ze slovníku MeSH: Algorithms*, Image Enhancement/*methods , Image Interpretation, Computer-Assisted/*methods , Thermography/*methods , Tomography/*methods , Ultrasonography/*methods, Acoustics ; Electromagnetic Fields ; Information Storage and Retrieval/methods ; Likelihood Functions ; Reproducibility of Results ; Sensitivity and Specificity ; Ultrasonics

Using Regularization to Identify Measurement Bias Across Multiple Background Characteristics: A Penalized Expectation–Maximization Algorithm.

Autoři: Belzak, William C. M. Bauer, Daniel J.

Zdroj: Journal of Educational & Behavioral Statistics; Dec2024, Vol. 49 Issue 6, p976-1012, 37p

Témata: ITEM response theory, FACTOR analysis, NONLINEAR analysis, ALGORITHMS

Multi-Target Localization of MIMO Radar with Widely Separated Antennas on Moving Platforms Based on Expectation Maximization Algorithm

Autoři: Jiaxin Lu Feifeng Liu Jingyi Sun a další

Zdroj: Remote Sensing, Vol 14, Iss 7, p 1670 (2022)

Témata: expectation maximization, parameter estimation, superimposed signals, SNR fluctuations, multiple-input multiple-output, Science

Popis souboru: electronic resource

Relation: https://www.mdpi.com/2072-4292/14/7/1670; https://doaj.org/toc/2072-4292

Přístupová URL adresa: https://doaj.org/article/250e6cc1e8ee4fbd94a2cb1bbb5d8922

Non-Rigid Point Set Registration via Adaptive Weighted Objective Function

Autoři: Changcai Yang Yizhang Liu Xingyu Jiang a další

Zdroj: IEEE Access, Vol 6, Pp 75947-75960 (2018)

Témata: Registration, expectation-maximization (EM) algorithm, thin-plate spline (TPS), objective function, mixture model, point set, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

Popis souboru: electronic resource

Relation: https://ieeexplore.ieee.org/document/8548550/; https://doaj.org/toc/2169-3536

Přístupová URL adresa: https://doaj.org/article/f5613600f21c4761a5975c8346c99cf5

Weighted expectation maximization reconstruction algorithms with application to gated megavoltage tomography.

Autoři: Zhang J Shi D Anastasio MA a další

Zdroj: Physics in medicine and biology [Phys Med Biol] 2005 Nov 07; Vol. 50 (21), pp. N299-307. Date of Electronic Publication: 2005 Oct 12.

Způsob vydávání: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't

Informace o časopise: Publisher: IOP Publishing Country of Publication: England NLM ID: 0401220 Publication Model: Print-Electronic Cited Medium: Print ISSN: 0031-9155 (Print) Linking ISSN: 00319155 NLM ISO Abbreviation: Phys Med Biol Subsets: MEDLINE

Výrazy ze slovníku MeSH: Image Processing, Computer-Assisted/*methods , Radiographic Image Interpretation, Computer-Assisted/*methods , Tomography, X-Ray/*methods, Algorithms ; Artifacts ; Computer Simulation ; Humans ; Models, Statistical ; Pattern Recognition, Automated ; Phantoms, Imaging ; Software

A latent outcome variable approach for Mendelian randomization using the stochastic expectation maximization algorithm.

Autoři: Amente LD Mills NT Le TD a další

Zdroj: Human genetics [Hum Genet] 2025 May; Vol. 144 (5), pp. 559-574. Date of Electronic Publication: 2025 Apr 11.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Springer Verlag Country of Publication: Germany NLM ID: 7613873 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-1203 (Electronic) Linking ISSN: 03406717 NLM ISO Abbreviation: Hum Genet Subsets: MEDLINE

Výrazy ze slovníku MeSH: Mendelian Randomization Analysis*/methods , Algorithms* , Metabolic Syndrome*/genetics, Humans ; Genetic Pleiotropy ; Body Mass Index ; Computer Simulation ; Models, Genetic ; Phenotype ; Stochastic Processes

A class of adaptive importance sampling weighted EM algorithms for efficient and robust posterior and predictive simulation

Autoři: Hoogerheide, Lennart Opschoor, Anne van Dijk, Herman K.

Zdroj: Journal of Econometrics. Dec2012, Vol. 171 Issue 2, p101-120. 20p.

Témata: *SIMULATION methods & models, *DISTRIBUTION (Probability theory), EXPECTATION-maximization algorithms, ROBUST control, LOGICAL prediction, PERMUTATIONS

Analysing the course of public trust via hidden Markov models: a focus on the Polish society.

Autoři: Pennoni, Fulvia Genge, Ewa

Zdroj: Statistical Methods & Applications. Jun2020, Vol. 29 Issue 2, p399-425. 27p.

Témata: *INTERNATIONAL cooperation, EXPECTATION-maximization algorithms, PANEL analysis, TRUST, STATISTICAL models, HIDDEN Markov models

Geografický termín: POLAND