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Consistent segmentation of COVID-19 patient's CT scans across multiple time points is essential to assess disease progression and response to therapy accurately. Existing automatic and interactive segmentation models for medical images only…

图像与视频处理 · 电气工程与系统科学 2023-06-02 Michelle Xiao-Lin Foo , Seong Tae Kim , Magdalini Paschali , Leili Goli , Egon Burian , Marcus Makowski , Rickmer Braren , Nassir Navab , Thomas Wendler

Spatiotemporal modelling of infectious diseases such as COVID-19 involves using a variety of epidemiological metrics such as regional proportion of cases or regional positivity rates. Although observing their changes over time is critical…

Currently, novel coronavirus disease 2019 (COVID-19) is a big threat to global health. The rapid spread of the virus has created pandemic, and countries all over the world are struggling with a surge in COVID-19 infected cases. There are no…

应用统计 · 统计学 2020-09-08 Se Yoon Lee , Bowen Lei , Bani K. Mallick

The advent of the COVID-19 pandemic has instigated unprecedented changes in many countries around the globe, putting a significant burden on the health sectors, affecting the macro economic conditions, and altering social interactions…

物理与社会 · 物理学 2020-07-23 Dmitry Gordeev , Philipp Singer , Marios Michailidis , Mathias Müller , SriSatish Ambati

The growing popularity of wearable sensors has generated large quantities of temporal physiological and activity data. Ability to analyze this data offers new opportunities for real-time health monitoring and forecasting. However, temporal…

信号处理 · 电气工程与系统科学 2021-06-02 Nazgol Tavabi , Kristina Lerman

We present a novel approach incorporating transformer-based language models into infectious disease modelling. Text-derived features are quantified by tracking high-density clusters of sentence-level representations of Reddit posts within…

计算与语言 · 计算机科学 2022-05-25 Felix Drinkall , Stefan Zohren , Janet B. Pierrehumbert

Millions of people have died all across the world because of the COVID-19 outbreak. Researchers worldwide are working together and facing many challenges to bring out the proper vaccines to prevent this infectious virus. Therefore, in this…

计算机与社会 · 计算机科学 2021-12-03 Linta Islam , Mafizur Rahman , Nabila Ahmad , Tasnia Sharmin , Jannatul Ferdous Sorna

The outbreaks of Coronavirus Disease 2019 (COVID-19) have impacted the world significantly. Modeling the trend of infection and real-time forecasting of cases can help decision making and control of the disease spread. However, data-driven…

种群与进化 · 定量生物学 2020-09-18 Zhijian Li , Yunling Zheng , Jack Xin , Guofa Zhou

The COVID-19 pandemic has impacted lives and economies across the globe, leading to many deaths. While vaccination is an important intervention, its roll-out is slow and unequal across the globe. Therefore, extensive testing still remains…

Since the beginning of coronavirus, the disease has spread worldwide and drastically changed many aspects of the human's lifestyle. Twitter as a powerful tool can help researchers measure public health in response to COVID-19. According to…

计算与语言 · 计算机科学 2021-10-15 Mohamad Zamini

A multiple objective space-time forecasting approach is presented involving cyclical curve log-regression, and multivariate time series spatial residual correlation analysis. Specifically, the mean quadratic loss function is minimized in…

机器学习 · 统计学 2021-03-30 A. Torres-Signes , M. P. Frías , M. D. Ruiz-Medina

Time series forecasting methods play critical role in estimating the spread of an epidemic. The coronavirus outbreak of December 2019 has already infected millions all over the world and continues to spread on. Just when the curve of the…

社会与信息网络 · 计算机科学 2022-05-27 Samyak Prajapati , Aman Swaraj , Ronak Lalwani , Akhil Narwal , Karan Verma

The ongoing pandemic of Coronavirus disease (COVID-19) emerged in Wuhan, China in the end of 2019. It has already affected more than 300,000 people, with the number of deaths nearing 13000 across the world. As it has been posing a huge…

应用统计 · 统计学 2020-03-25 Soudeep Deb , Manidipa Majumdar

In this paper, we conduct mathematical and numerical analyses to address the following crucial questions for COVID-19: (Q1) Is it possible to contain COVID-19? (Q2) When will be the peak and the end of the epidemic? (Q3) How do the…

种群与进化 · 定量生物学 2020-09-22 Yi-Cheng Chen , Ping-En Lu , Cheng-Shang Chang , Tzu-Hsuan Liu

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

In this paper we address the problem of discovering a small set of frequent serial episodes from sequential data so as to adequately characterize or summarize the data. We discuss an algorithm based on the Minimum Description Length (MDL)…

机器学习 · 计算机科学 2019-04-02 Soumyajit Mitra , P S Sastry

Facing the world wide coronavirus disease 2019 (COVID-19) pandemic, a new fitting method (QDF, quasi-distribution fitting) which could be used to analyze the data of COVID-19 is developed based on piecewise quasi-uniform B-spline curves.…

应用统计 · 统计学 2021-10-27 Qingliang Zhao , Zhenhuan Lu , Yiduo Wang

Coronavirus (COVID-19) emerged towards the end of 2019. World Health Organization (WHO) was identified it as a global epidemic. Consensus occurred in the opinion that using Computerized Tomography (CT) techniques for early diagnosis of…

图像与视频处理 · 电气工程与系统科学 2020-04-09 Umut Ozkaya , Saban Ozturk , Mucahid Barstugan

Shapelets are discriminative time series subsequences that allow generation of interpretable classification models, which provide faster and generally better classification than the nearest neighbor approach. However, the shapelet discovery…

机器学习 · 计算机科学 2017-02-23 Atif Raza , Stefan Kramer

Time series clustering is the process of grouping time series with respect to their similarity or characteristics. Previous approaches usually combine a specific distance measure for time series and a standard clustering method. However,…