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Estimating the lengths-of-stay (LoS) of hospitalised COVID-19 patients is key for predicting the hospital beds' demand and planning mitigation strategies, as overwhelming the healthcare systems has critical consequences for disease…

统计方法学 · 统计学 2024-01-30 Ana López-Cheda , M. Amalia Jácome , Ricardo Cao , Pablo M. De Salazar

Medical image classification and segmentation based on deep learning (DL) are emergency research topics for diagnosing variant viruses of the current COVID-19 situation. In COVID-19 computed tomography (CT) images of the lungs, ground glass…

图像与视频处理 · 电气工程与系统科学 2022-08-08 Shiyi Wang , Guang Yang

The coronavirus disease 2019 (COVID-19) pandemic radically impacts our lives, while the transmission/infection and recovery dynamics of COVID-19 remain obscure. A time-dependent Susceptible, Exposed, Infectious, and Recovered (SEIR) model…

种群与进化 · 定量生物学 2020-04-01 Yong Zhang , Xiangnan Yu , HongGuang Sun , Geoffrey R. Tick , Wei Wei , Bin Jin

In this paper, we propose a new Bayesian Poisson network autoregression mixture model (PNARM). Our model combines ideas from the models of Dahl 2008, Ren et al. 2024 and Armillotta and Fokianos 2024, as it is motivated by the following…

统计方法学 · 统计学 2024-11-22 Elly Hung , Anastasia Mantziou , Gesine Reinert

Common compartmental modeling for COVID-19 is based on a priori knowledge and numerous assumptions. Additionally, they do not systematically incorporate asymptomatic cases. Our study aimed at providing a framework for data-driven…

We propose, implement, and evaluate a method to estimate the daily number of new symptomatic COVID-19 infections, at the level of individual U.S. counties, by deconvolving daily reported COVID-19 case counts using an estimated…

应用统计 · 统计学 2022-03-01 Maria Jahja , Andrew Chin , Ryan J. Tibshirani

In the last decade, deep learning (DL) has outperformed model-based and statistical approaches in predicting the remaining useful life (RUL) of machinery in the context of condition-based maintenance. One of the major drawbacks of DL is…

机器学习 · 计算机科学 2020-01-10 Luca Della Libera

In this work, we adapt the epidemiological SIR model to study the evolution of the dissemination of COVID-19 in Germany and Brazil (nationally, in the State of Paraiba, and in the City of Campina Grande). We prove the well posedness and the…

种群与进化 · 定量生物学 2022-04-20 Adriano A. Batista , Severino Horácio da Silva

To capture the death rates and strong weekly, biweekly and probably monthly patterns in the Canada COVID-19, we utilize the generalized additive models in the absence of direct statistically based measurement of infection rates. By…

应用统计 · 统计学 2020-08-04 Farzali Izadi

We believe that a wide range of physical processes conspire to shape the observed galaxy population but we remain unsure of their detailed interactions. The semi-analytic model (SAM) of galaxy formation uses multi-dimensional…

宇宙学与河外天体物理 · 物理学 2011-11-07 Yu Lu , H. J. Mo , Martin D. Weinberg , Neal Katz

Can one learn to diagnose COVID-19 under extreme minimal supervision? Since the outbreak of the novel COVID-19 there has been a rush for developing Artificial Intelligence techniques for expert-level disease identification on Chest X-ray…

机器学习 · 计算机科学 2021-07-06 Angelica I Aviles-Rivero , Philip Sellars , Carola-Bibiane Schönlieb , Nicolas Papadakis

We present an empirical algorithm to forecast the evolution of the number of COVID-19 symptomatic patients in the early stages of the pandemic spread and after strict social distancing interventions. The algorithm is based on a low…

种群与进化 · 定量生物学 2020-11-20 Luis Alvarez

Epidemiological models with constant parameters may not capture satisfactory infection patterns in the presence of pharmaceutical and non-pharmaceutical mitigation measures during a pandemic, since infectiousness is a function of time. In…

种群与进化 · 定量生物学 2022-05-16 K. D. Olumoyin , A. Q. M. Khaliq , K. M. Furati

Forecasting the effect of COVID-19 is essential to design policies that may prepare us to handle the pandemic. Many methods have already been proposed, particularly, to forecast reported cases and deaths at country-level and state-level.…

种群与进化 · 定量生物学 2020-07-14 Ajitesh Srivastava , Tianjian Xu , Viktor K. Prasanna

The real-time motion prediction of a floating offshore platform refers to forecasting its motions in the following one- or two-wave cycles, which helps improve the performance of a motion compensation system and provides useful early…

机器学习 · 计算机科学 2021-11-02 Xiaoxian Guo , Xiantao Zhang , Xinliang Tian , Wenyue Lu , Xin Li

This paper introduces an innovative framework designed for progressive (granular in time to onset) prediction of seizures through the utilization of a Deep Learning (DL) methodology based on non-invasive multi-modal sensor networks.…

信号处理 · 电气工程与系统科学 2024-11-05 Ali Saeizadeh , Douglas Schonholtz , Joseph S. Neimat , Pedram Johari , Tommaso Melodia

The accurate prediction of B-cell epitopes is critical for guiding vaccine development against infectious diseases, including SARS and COVID-19. This study explores the use of a deep neural network (DNN) model to predict B-cell epitopes for…

机器学习 · 计算机科学 2024-12-03 Xinyu Shi , Yixin Tao , Shih-Chi Lin

To model the evolution of diseases with extended latency periods and the presence of asymptomatic patients like COVID-19, we define a simple discrete time stochastic SIR-type epidemic model. We include both latent periods as well as the…

种群与进化 · 定量生物学 2020-05-14 Xavier Bardina , Marco Ferrante , Carles Rovira

In this work we present a spatial-temporal convolutional neural network for predicting future COVID-19 related symptoms severity among a population, per region, given its past reported symptoms. This can help approximate the number of…

机器学习 · 计算机科学 2021-01-15 Ravid Shwartz-Ziv , Itamar Ben Ari , Amitai Armon

We consider the problem of inference for the states and parameters of a continuous-time multitype branching process from partially observed time series data. Exact inference for this class of models, typically using sequential Monte Carlo,…

统计方法学 · 统计学 2025-12-01 Angus Lewis , Antonio Parrella , John Maclean , Andrew J. Black