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The severe acute respiratory syndrome coronavirus type-2 (SARS-CoV-2) caused a global pandemic and immensely affected the global economy. Accurate, cost-effective, and quick tests have proven substantial in identifying infected people and…

Ultrasound is fast becoming an inevitable diagnostic tool for regular and continuous monitoring of the lung with the recent outbreak of COVID-19. In this work, a novel approach is presented to extract acoustic propagation-based features to…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Mahesh Raveendranatha Panicker , Yale Tung Chen , Gayathri M , Madhavanunni A N , Kiran Vishnu Narayan , C Kesavadas , A P Vinod

Chest computed tomography (CT) has played an essential diagnostic role in assessing patients with COVID-19 by showing disease-specific image features such as ground-glass opacity and consolidation. Image segmentation methods have proven to…

Image and Video Processing · Electrical Eng. & Systems 2021-07-26 Seong Tae Kim , Leili Goli , Magdalini Paschali , Ashkan Khakzar , Matthias Keicher , Tobias Czempiel , Egon Burian , Rickmer Braren , Nassir Navab , Thomas Wendler

To mitigate the spread of COVID-19 pandemic, decision-makers and public authorities have announced various non-pharmaceutical policies. Analyzing the causal impact of these policies in reducing the spread of COVID-19 is important for future…

Machine Learning · Computer Science 2021-06-03 Jing Ma , Yushun Dong , Zheng Huang , Daniel Mietchen , Jundong Li

In the research, we developed a computer vision solution to support diagnostic radiology in differentiating between COVID-19 pneumonia, influenza virus pneumonia, and normal biomarkers. The chest radiograph appearance of COVID-19 pneumonia…

Image and Video Processing · Electrical Eng. & Systems 2021-12-15 Julianna Antonchuk , Benjamin Prescott , Philip Melanchthon , Robin Singh

Many scientific reports document that asymptomatic and presymptomatic individuals contribute to the spread of COVID-19, probably during conversations in social interactions. Droplet emission occurs during speech, yet few studies document…

Fluid Dynamics · Physics 2022-05-18 Manouk Abkarian , Simon Mendez , Nan Xue , Fan Yang , Howard A. Stone

With the spread of COVID-19 around the globe over the past year, the usage of artificial intelligence (AI) algorithms and image processing methods to analyze the X-ray images of patients' chest with COVID-19 has become essential. The…

Image and Video Processing · Electrical Eng. & Systems 2025-01-16 Xinyuan Song

The SARS-CoV-2 coronavirus emerged in 2019, causing a COVID-19 pandemic that resulted in 7 million deaths out of 770 million reported cases over the next four years. The global health emergency called for unprecedented efforts to monitor…

The widely used gene quantisation technique, Lateral Flow Device (LFD), is now commonly used to detect the presence of SARS-CoV-2. It is enabling the control and prevention of the spread of the virus. Depending on the viral load, LFD have…

Machine Learning · Computer Science 2022-05-27 Neeraj Vashistha

Early detection of COVID-19 is vital to control its spread. Deep learning methods have been presented to detect suggestive signs of COVID-19 from chest CT images. However, due to the novelty of the disease, annotated volumetric data are…

Image and Video Processing · Electrical Eng. & Systems 2021-11-18 Azael M. Sousa , Fabiano Reis , Rachel Zerbini , João L. D. Comba , Alexandre X. Falcão

Quantitative metrics in lung computed tomography (CT) images have been widely used, often without a clear connection with physiology. This work proposes a patient-independent model for the estimation of well-aerated volume of lungs in CT…

Nasal breathing difficulties (NBD) are widespread and difficult to diagnose; the failure rate of their surgical corrections is high. Computational Fluid Dynamics (CFD) enables diagnosis of NBD and surgery planning, by comparing a…

Fluid Dynamics · Physics 2023-08-23 Eric Segalerba , Gabriele Dini Ciacci , Maurizio Quadrio , Jan O. Pralits

The newly discovered Corona virus Disease 2019 (COVID-19) has been globally spreading and causing hundreds of thousands of deaths around the world as of its first emergence in late 2019. Computed tomography (CT) scans have shown distinctive…

Interpretable machine learning plays a key role in healthcare because it is challenging in understanding feature importance in deep learning model predictions. We propose a novel framework that uses deep learning to study feature…

Machine Learning · Computer Science 2022-10-10 Md Khairul Islam , Di Zhu , Yingzheng Liu , Andrej Erkelens , Nick Daniello , Judy Fox

This study explores the use of deep learning techniques for analyzing lung Computed Tomography (CT) images. Classic deep learning approaches face challenges with varying slice counts and resolutions in CT images, a diversity arising from…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Chih-Chung Hsu , Chia-Ming Lee , Yang Fan Chiang , Yi-Shiuan Chou , Chih-Yu Jiang , Shen-Chieh Tai , Chi-Han Tsai

When it came to Covid-19, timing was everything. This paper considers the spatiotemporal dynamics of the Covid-19 pandemic via a developed methodology of non-Euclidean spatially aware functional registration. In particular, the daily…

Applications · Statistics 2024-07-25 Luke A. Barratt , John A. D. Aston

The COVID-19 pandemic demonstrated that fast and accurate analysis of continually collected infectious disease surveillance data is crucial for situational awareness and policy making. Coalescent-based phylodynamic analysis can use genetic…

Methodology · Statistics 2024-07-29 Catalina M. Medina , Julia A. Palacios , Volodymyr M. Minin

Vocal fold (VF) motion is fundamental to voice production and diagnosis in speech and health sciences. The motion is a consequence of air flow interacting with elastic vocal fold structures. Motivated by existing lumped mass models and…

Pattern Formation and Solitons · Physics 2007-05-23 J. Xin , J. M. Hyman , Y-Y Qi

Rapidly scaling screening, testing and quarantine has shown to be an effective strategy to combat the COVID-19 pandemic. We consider the application of deep learning techniques to distinguish individuals with COVID from non-COVID by using…

The Coronavirus disease 2019 (COVID-19) has affected several million people. With the outbreak of the epidemic, many researchers are devoting themselves to the COVID-19 screening system. The standard practices for rapid risk screening of…

Image and Video Processing · Electrical Eng. & Systems 2020-09-08 Yanwei Fu , Feng Li , Wenxuan Wang , Haicheng Tang , Xuelin Qian , Mengwei Gu , Xiangyang Xue