Výsledky vyhľadávania - "Expectation maximization algorithm"

Remaining useful life re-prediction methodology based on Wiener process: Subsea Christmas tree system as a case study Autor Cai, Baoping, Fan, Hongyan, Shao, Xiaoyan, Liu, Yonghong, Liu, Guijie, Liu, Zengkai, Ji, Renjie

“…•A remaining useful life re-prediction method based on Wiener process is proposed.•Current and historical data are used for re-prediction model…”
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3D variability analysis: Resolving continuous flexibility and discrete heterogeneity from single particle cryo-EM Autor Punjani, Ali, Fleet, David J.

“…[Display omitted] •Continuous structural heterogeneity of proteins is often functionally relevant.•Existing single particle cryo-EM reconstruction algorithms…”
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Distributed identification of stable large-scale isomorphic nonlinear networks using partial observations Autor Li, Chunhui, Yu, Chengpu

“…Distributed parameter identification in large-scale isomorphic nonlinear multi-agent networks encounters challenges due to inherent nonlinear dynamics and…”
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Noise-enhanced convolutional neural networks Autor Audhkhasi, Kartik, Osoba, Osonde, Kosko, Bart

“…Injecting carefully chosen noise can speed convergence in the backpropagation training of a convolutional neural network (CNN). The Noisy CNN algorithm speeds…”
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Sensitivity analysis of treatment effect to unmeasured confounding in observational studies with survival and competing risks outcomes Autor Huang, Rong, Xu, Ronghui, Dulai, Parambir S.

“…No unmeasured confounding is often assumed in estimating treatment effects in observational data, whether using classical regression models or approaches such…”
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A transformation‐free linear regression for compositional outcomes and predictors Autor Fiksel, Jacob, Zeger, Scott, Datta, Abhirup

“…Compositional data are common in many fields, both as outcomes and predictor variables. The inventory of models for the case when both the outcome and…”
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Unified Statistical Channel Model for Turbulence-Induced Fading in Underwater Wireless Optical Communication Systems Autor Zedini, Emna, Oubei, Hassan Makine, Kammoun, Abla, Hamdi, Mounir, Ooi, Boon S., Alouini, Mohamed-Slim

“…A unified statistical model is proposed to characterize turbulence-induced fading in underwater wireless optical communication (UWOC) channels in the presence…”
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Joint Modelling of Longitudinal Measurements and Time‐to‐Event Outcomes With a Cure Fraction Using Functional Principal Component Analysis Autor Guo, Siyuan, Zhang, Jiajia, Halabi, Susan

“…ABSTRACT In studying the association between clinical measurements and time‐to‐event outcomes within a cure model, utilizing repeated observations rather than…”
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Classification of PolSAR data with the Complex Riesz distribution Autor Kammoun, Rayhan, Kessentini, Sameh, Zine, Raoudha

“…This article deals with unsupervised classification strategies applied to polarimetric synthetic aperture radar (PolSAR) images. We discuss the performance of…”
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A common random effect induced bivariate gamma degradation process with application to remaining useful life prediction Autor Song, Kai, Cui, Lirong

“…Due to the complex structures and the multi-functionality of modern products, there are usually two or more performance characteristics which can reflect a…”
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Robust stochastic configuration networks for industrial data modelling with Student’s-t mixture distribution Autor Yan, Aijun, Guo, Jingcheng, Wang, Dianhui

“…Data collected from industrial sites commonly contains outliers or noise that obey unknown distributions, making it challenging to establish an accurate…”
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Indirect/Direct Learning Coverage Control for Wireless Sensor and Mobile Robot Networks Autor Liu, Yen-Chen, Lin, Tsen-Chang, Lin, Mu-Tai

“…This article proposes indirect/direct learning control schemes for wireless sensor and mobile robot networks to cover an environment according to the density…”
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Stochastic parameterization identification using ensemble Kalman filtering combined with maximum likelihood methods Autor Pulido, Manuel, Tandeo, Pierre, Bocquet, Marc, Carrassi, Alberto, Lucini, Magdalena

“…For modelling geophysical systems, large-scale processes are described through a set of coarse-grained dynamical equations while small-scale processes are…”
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Maximum likelihood estimation for discrete latent variable models via evolutionary algorithms Autor Brusa, Luca, Pennoni, Fulvia, Bartolucci, Francesco

“…We propose an evolutionary optimization method for maximum likelihood and approximate maximum likelihood estimation of discrete latent variable models. The…”
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Valuation of commodity option prices under a regime-switching model with stochastic convenience yield: Model calibration using flower pollination optimization algorithm Autor Hamdi, A., Aksikas, I., Smaoui, H., Mehrdoust, F., Noorani, I.

“…This research work seeks to construct a model for commodity spot prices by incorporating the concept of stochastic convenience yield within a Markov-switching…”
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Exploring and reconstructing latent domains for multi-source domain adaptation Autor Liang, Wanjun, Tan, Meijuan, Meng, Xiangyu, Zhang, Chengzhe, Zhou, Jun, Fu, Chilin, Zhang, Xiaolu, Li, Changsheng

“…Multi-Source Domain Adaptation (MSDA) is receiving increased focus as a technique for reliably transferring knowledge from several source domains to a specific…”
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A review of the Expectation Maximization algorithm in data-driven process identification Autor Sammaknejad, Nima, Zhao, Yujia, Huang, Biao

“…The Expectation Maximization (EM) algorithm has been widely used for parameter estimation in data-driven process identification. EM is an algorithm for maximum…”
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Statistical inference for a stochastic generalized logistic differential equation Autor Baltazar-Larios, Fernando, Delgado-Vences, Francisco, Diaz-Infante, Saul, Gomez, Eduardo Lince

“…In this research we aim to estimate three parameters in a stochastic generalized logistic differential equation. We assume the intrinsic growth rate and shape…”
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Multimodel Approach to Robust Identification of Multiple-Input Single-Output Nonlinear Time-Delay Systems Autor Yang, Xianqiang, Liu, Xin, Li, Zhan

“…The robust multimodel solution for multiple-input single-output nonlinear time-delay systems identification with polluted outputs is derived in this article…”
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Accurate force evaluation in prestressed cable-strut structures: A robust sparse Bayesian learning method with feedback-driven error optimization Autor Chen, Yao, Zhou, Haodong, Gao, Jiangjun, Shen, Zhengliang, Xie, Tianyu, Sareh, Pooya

“…Force evaluation is critical to ensuring the safety of cable-strut structures during service. This study employs dynamic testing to assess the internal forces…”
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