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Background. Infectious diseases, particularly COVID-19, continue to be a significant global health issue. Although many countries have reduced or stopped large-scale testing measures, the detection of such diseases remains a propriety.…

Understanding the migration and trapping of CO$_2$ in the subsurface is vital to geologic carbon storage projects. Traditional characterization methods employ steady-state co-injection experiments to determine relative permeability and…

Recent research has highlighted the detection of human respiration rate using commodity WiFi devices. Nevertheless, these devices encounter challenges in accurately discerning human respiration amidst the prevailing human motion…

信号处理 · 电气工程与系统科学 2024-01-08 Kehan Wu , Renqi Chen , Haiyu Wang , Chenqing Ji , Jiayuan Zhu , Guang Wu

We describe the design, construction and characterisation of paper based devices to perform spirometry, a standard test for lung function assessment. In this device the instantaneous flowrate of the incoming breath from a person gets…

信号处理 · 电气工程与系统科学 2024-08-20 Yatin Miglani , Muddukrishna P , Harshvardhan Pande , Manoj M. Varma , Bhushan Toley

Breathing monitoring is crucial in healthcare for early detection of health issues, but traditional methods face challenges like invasiveness, privacy concerns, and limited applicability in daily settings. This paper introduces light…

图像与视频处理 · 电气工程与系统科学 2024-04-18 Omar Rinchi , Ahmad Alsharoa , Denise A. Baker

Purpose: To present a method that automatically segments and quantifies abnormal CT patterns commonly present in coronavirus disease 2019 (COVID-19), namely ground glass opacities and consolidations. Materials and Methods: In this…

Pulmonary hypertension (PH), defined by a mean pulmonary arterial blood pressure above 20 mmHg, is a cardiovascular disease impacting the pulmonary vasculature. PH is accompanied by vascular remodeling, wherein vessels become stiffer, large…

定量方法 · 定量生物学 2023-02-03 Megan Chambers , Natalie Johnston , Ian Livengood , Miya Spinelli , Radmila Sazdanovic , Mette S Olufsen

Subject-specific modeling is a powerful tool in cardiovascular research, providing insights beyond the reach of current clinical diagnostics. Limitations in available clinical data require the incorporation of uncertainty into models to…

应用统计 · 统计学 2025-07-16 Amirreza Kachabi , Sofia Altieri Correa , Naomi C. Chesler , Mitchel J. Colebank

Numerical modelling of flow in stepped spillways is considered, focusing on a highly economical approach combining interface capturing with explicit modelling of air entrainment. Simulations are performed on spillways at four different…

流体动力学 · 物理学 2020-09-11 Silje Kreken Almeland , Timofey Mukha , Rickard E. Bensow

Recommended standardized procedures for determining exhaled lower respiratory nitric oxide and nasal nitric oxide have been developed by task forces of the European Respiratory Society and the American Thoracic Society. These…

定量方法 · 定量生物学 2015-03-13 Julian King , Karl Unterkofler , Gerald Teschl , Susanne Teschl , Helin Koc , Hartmann Hinterhuber , Anton Amann

This paper is the first to present a novel, non-contact method that utilizes orthogonal frequency division multiplexing (OFDM) signals (of frequency 5.23 GHz, emitted by a software defined radio) to radio-expose the pulmonary patients in…

信号处理 · 电气工程与系统科学 2024-05-16 Hasan Mujtaba Buttar , Muhammad Mahboob Ur Rahman , Muhammad Wasim Nawaz , Adnan Noor Mian , Adnan Zahid , Qammer H. Abbasi

The Polarized Instrument for Long-wavelength Observation of the Tenuous interstellar medium (PILOT) is a balloon-borne experiment aiming at measuring the polarized emission of thermal dust at a wavelength of 240 mm (1.2 THz). A first PILOT…

Accurate anatomical labeling and analysis of the pulmonary structure and its surrounding anatomy from thoracic CT is getting increasingly important for understanding the etilogy of abnormalities or supporting targetted therapy and early…

图像与视频处理 · 电气工程与系统科学 2025-05-09 Minghui Zhang , Chenyu Li , Fangfang Xie , Yaoyu Liu , Hanxiao Zhang , Junyang Wu , Chunxi Zhang , Jie Yang , Jiayuan Sun , Guang-Zhong Yang , Yun Gu

Atmospheric turbulence and aero-optic effects cause phase aberrations in propagating light waves, thereby reducing effectiveness in transmitting and receiving coherent light from an aircraft. Existing optical sensors can measure the…

信号处理 · 电气工程与系统科学 2026-02-12 Jeffrey W. Utley , Gregery T. Buzzard , Charles A. Bouman , Matthew R. Kemnetz

This paper proposes a semi-automatic system based on quantitative characterization of the specific image patterns in lung ultrasound (LUS) images, in order to assess the lung conditions of patients with COVID-19 pneumonia, as well as to…

医学物理 · 物理学 2021-11-05 Yuanyuan Wang , Yao Zhang , Qiong He , Hongen Liao , Jianwen Luo

Bronchiectasis is the permanent dilation of airways. Patients with the disease can suffer recurrent exacerbations, reducing their quality of life. The gold standard to diagnose and monitor bronchiectasis is accomplished by inspection of…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Kin Quan , Rebecca J. Shipley , Ryutaro Tanno , Graeme McPhillips , Vasileios Vavourakis , David Edwards , Joseph Jacob , John R. Hurst , David J. Hawkes

Respiration is a critical vital sign for infants, and continuous respiratory monitoring is particularly important for newborns. However, neonates are sensitive and contact-based sensors present challenges in comfort, hygiene, and skin…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Sai Kumar Reddy Manne , Shaotong Zhu , Sarah Ostadabbas , Michael Wan

Capillary waves occurring at the liquid-vapor interface of water are studied using molecular dynamics simulations. In addition, the surface tension, determined thermodynamically from the difference in the normal and tangential pressure at…

材料科学 · 物理学 2009-11-11 Ahmed E. Ismail , Gary S. Grest , Mark J. Stevens

Coronary Microvascular Dysfunction (CMD) is characterized by impaired vasodilation and can lead to insufficient blood flow to the myocardium during stress or exertion, affecting millions of people globally. Despite their diagnostic value,…

计算工程、金融与科学 · 计算机科学 2025-08-04 Haizhou Yang , Jiyang Zhang , Ismael Z. Assi , Brahmajee K. Nallamothu , Krishna Garikipati , C. Alberto Figueroa

Researchers have been battling with the question of how we can identify Coronavirus disease (COVID-19) cases efficiently, affordably and at scale. Recent work has shown how audio based approaches, which collect respiratory audio data…