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This paper applies multiple machine learning (ML) algorithms to a dataset of de-identified COVID-19 patients provided by the COVID-19 Research Database. The dataset consists of 20,878 COVID-positive patients, among which 9,177 patients died…

机器学习 · 计算机科学 2023-03-02 Redoan Rahman , Jooyeong Kang , Justin F Rousseau , Ying Ding

In this paper, we propose a novel method of model-based time series clustering with mixtures of general state space models (MSSMs). Each component of MSSMs is associated with each cluster. An advantage of the proposed method is that it…

机器学习 · 计算机科学 2024-08-23 Ryoichi Ishizuka , Takashi Imai , Kaoru Kawamoto

A practical algorithm has been developed for closeness analysis of sequential data that combines closeness testing with algorithms based on the Markov chain tester. It was applied to reported sequential data for COVID-19 to analyze the…

统计方法学 · 统计学 2021-07-01 Tomoko Matsui , Nourddine Azzaoui , Daisuke Murakami

COVID-19 is a pandemic disease that began to rapidly spread in the US with the first case detected on January 19, 2020, in Washington State. March 9, 2020, and then increased rapidly with total cases of 25,739 as of April 20, 2020. The…

种群与进化 · 定量生物学 2020-06-30 Shashank Reddy Vadyala , Sai Nethra Betgeri , Eric A. Sherer , Amod Amritphale

This paper proposes a segmentation method of infection regions in the lung from CT volumes of COVID-19 patients. COVID-19 spread worldwide, causing many infected patients and deaths. CT image-based diagnosis of COVID-19 can provide quick…

图像与视频处理 · 电气工程与系统科学 2022-01-11 Masahiro Oda , Tong Zheng , Yuichiro Hayashi , Yoshito Otake , Masahiro Hashimoto , Toshiaki Akashi , Shigeki Aoki , Kensaku Mori

We present a new mathematical model to explicitly capture the effects that the three restriction measures: the lockdown date and duration, social distancing and masks, and, schools and border closing, have in controlling the spread of…

种群与进化 · 定量生物学 2020-08-25 Liam Dowling Jones , Malik Magdon-Ismail , Laura Mersini-Houghton , Steven Meshnick

The rampant coronavirus disease 2019 (COVID-19) has brought global crisis with its deadly spread to more than 180 countries, and about 3,519,901 confirmed cases along with 247,630 deaths globally as on May 4, 2020. The absence of any active…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal , Gaurav Rai

The ongoing COVID-19 pandemic is challenging every part of society. From a scientific point of view the first major task is to predict the dynamics of the pandemic, allowing governments to allocate proper resources and measures to fight it,…

种群与进化 · 定量生物学 2020-09-29 Heinrich Stolz , Dirk Semkat , Peter Grünwald

Millions of people have been infected and lakhs of people have lost their lives due to the worldwide ongoing novel Coronavirus (COVID-19) pandemic. It is of utmost importance to identify the future infected cases and the virus spread rate…

物理与社会 · 物理学 2021-05-04 Naresh Kumar , Seba Susan

Since COVID-19 was first identified in December 2019, various public health interventions have been implemented across the world. As different measures are implemented at different countries at different times, we conduct an assessment of…

计算机与社会 · 计算机科学 2020-05-15 Xiuyi Fan , Siyuan Liu , Jiarong Chen , Thomas C. Henderson

We present an interpretable high-resolution spatio-temporal model to estimate COVID-19 deaths together with confirmed cases one-week ahead of the current time, at the county-level and weekly aggregated, in the United States. A notable…

应用统计 · 统计学 2021-08-24 Shixiang Zhu , Alexander Bukharin , Liyan Xie , Mauricio Santillana , Shihao Yang , Yao Xie

In this work, we propose a deep learning approach to forecasting state-level COVID-19 trends of weekly cumulative death in the United States (US) and incident cases in Germany. This approach includes a transformer model, an ensemble method,…

机器学习 · 计算机科学 2023-02-03 Chung Yan Fong , Dit-Yan Yeung

Modeling and simulations of pandemic dynamics play an essential role in understanding and addressing the spreading of highly infectious diseases such as COVID-19. In this work, we propose a novel deep learning architecture named…

机器学习 · 计算机科学 2023-05-16 Viet Bach Nguyen , Truong Son Hy , Long Tran-Thanh , Nhung Nghiem

Predicting relative risk (RR) of spatial clusters is a complex task in public health that can be achieved through various statistical and machine-learning methods for different time intervals. However, high-resolution longitudinal data is…

统计方法学 · 统计学 2025-12-23 Lyza Iamrache , Kamel Rekab , Majid Bani-Yagoub , Julia Pluta , Abdelghani Mehailia

Time series classification (TSC) is the most import task in time series mining as it has several applications in medicine, meteorology, finance cyber security, and many others. With the ever increasing size of time series datasets, several…

机器学习 · 计算机科学 2023-12-12 Muhammad Marwan Muhammad Fuad

The rapidly spreading Covid-19 that affected almost all countries, was first reported at the end of 2019. As a consequence of its highly infectious nature, countries all over the world have imposed extremely strict measures to control its…

种群与进化 · 定量生物学 2020-07-13 Semra Ahmetolan , Ayse Humeyra Bilge , Ali Demirci , Ayse Peker-Dobie , Onder Ergonul

The first known case of Coronavirus disease 2019 (COVID-19) was identified in December 2019. It has spread worldwide, leading to an ongoing pandemic, imposed restrictions and costs to many countries. Predicting the number of new cases and…

The need to forecast COVID-19 related variables continues to be pressing as the epidemic unfolds. Different efforts have been made, with compartmental models in epidemiology and statistical models such as AutoRegressive Integrated Moving…

应用统计 · 统计学 2020-10-07 Bahman Rostami-Tabar , Juan F. Rendon-Sanchez

The emergence of the novel coronavirus (COVID-19) has generated a need to quickly and accurately assemble up-to-date information related to its spread. While it is possible to use deaths to provide a reliable information feed, the latency…

应用统计 · 统计学 2021-12-16 Conor Rosato , Robert E. Moore , Matthew Carter , John Heap , Jose Storopoli , Simon Maskell

A plethora of prediction models of SARS-CoV-2 pandemic were proposed in the past. Prediction performances not only depend on the structure and features of the model, but also on its parametrization. Official databases are often biased due…

种群与进化 · 定量生物学 2021-09-27 Yuri Kheifetz , Holger Kirsten , Markus Scholz
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