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Recognizing patterns in lung sounds is crucial to detecting and monitoring respiratory diseases. Current techniques for analyzing respiratory sounds demand domain experts and are subject to interpretation. Hence an accurate and automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-31 Zizhao Chen , Hongliang Wang , Chia-Hui Yeh , Xilin Liu

Online, comprehensive molecular profiling of exhaled breath provides a non-invasive window into human metabolism, yet current optical platforms are restricted by narrow instantaneous spectral coverage. Here, we present a novel…

Many deep learning-based computerized respiratory sound analysis methods have previously been developed. However, these studies focus on either lung sound only or tracheal sound only. The effectiveness of using a lung sound analysis…

T-wave alternans (TWA) is a potential marker for sudden cardiac death, but its reliable analysis is often constrained to noise-free environments, limiting its utility in real-world settings. We explore model-based T-wave estimation to…

Medical Physics · Physics 2025-04-28 Zuzana Koscova , Amit Shah , Ali Bahrami Rad , Qiao Li , Gari D Clifford , Reza Sameni

The patterns of inhalation and exhalation contain important physiological signals that can be used to anticipate human behavior, health trends, and vital parameters. Human activity recognition (HAR) is fundamentally connected to these vital…

Machine Learning · Computer Science 2025-09-08 Ashutosh Kumar Sinha , Ayush Patel , Mitul Dudhat , Pritam Anand , Rahul Mishra

The advances of sensor technology enable people to monitor air quality through widely distributed low-cost sensors. However, measurements from these sensors usually encounter high biases and require a calibration step to reach an acceptable…

Machine Learning · Computer Science 2021-05-11 Haomin Yu , Yangli-ao Geng , Yingjun Zhang , Qingyong Li , Jiayu Zhou

The AMY experiment aims to measure the microwave bremsstrahlung radiation (MBR) emitted by air-showers secondary electrons accelerating in collisions with neutral molecules of the atmosphere. The measurements are performed using a beam of…

The lung airway tree modeling is essential to work for the diagnosis of pulmonary diseases, especially for X-Ray computed tomography (CT). The airway tree modeling on CT images can provide the experts with 3-dimension measurements like wall…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Hsiang-Chin Chien , Ching-Ping Wang , Jung-Chih Chen , Chia-Yen Lee

Radio frequency (RF) signals have facilitated the development of non-contact human monitoring tasks, such as vital signs measurement, activity recognition, and user identification. In some specific scenarios, an RF signal analysis framework…

Impurities in noble liquid detectors used for neutrino and dark matter experiments can significantly impact the quality of data. We present an experimentally verified model for describing the dynamics of impurity distributions in liquid…

Instrumentation and Detectors · Physics 2021-07-14 Aiwu Zhang , Yichen Li , Craig Thorn , Carl Bromberg , Milind V. Diwan , Steve Kettell , Vittorio Paolone , Xin Qian , James Stewart , Wei Tang , Chao Zhang

High levels of air pollution may seriously affect people's living environment and even endanger their lives. In order to reduce air pollution concentrations, and warn the public before the occurrence of hazardous air pollutants, it is…

Machine Learning · Computer Science 2019-06-03 Pei Du , Jianzhou Wang , Yan Hao , Tong Niu , Wendong Yang

Laboratory experiments have shown that cardiovascular diseases are positively correlated to the concentration of ambient air pollutants, such as SO2, NO2, PM10, etc. It has also been repeatedly reported in many countries that increased…

Applications · Statistics 2013-08-08 Menghui Li , Dasheng Luo , Chenghua Cao , Xiaochuan Pan , Qixin Wang

Annually 8500 neonatal deaths are reported in the US due to respiratory failure. Recently, Lung Ultrasound (LUS), due to its radiation free nature, portability, and being cheaper is gaining wide acceptability as a diagnostic tool for lung…

Image and Video Processing · Electrical Eng. & Systems 2023-02-20 Sagarjit Aujla , Adel Mohamed , Ryan Tan , Randy Tan , Lei Gao , Naimul Khan , Karthikeyan Umapathy

With the rising prevalence of cardiovascular and respiratory disorders and an aging global population, healthcare systems face increasing pressure to adopt efficient, non-contact vital sign monitoring (NCVSM) solutions. This study…

Signal Processing · Electrical Eng. & Systems 2025-01-14 Yonathan Eder , Emma Zagoury , Shlomi Savariego , Moshe Namer , Oded Cohen , Yonina C. Eldar

Breathing is vital to life. Therefore, the real-time monitoring of breathing pattern of a patient is crucial to respiratory rehabilitation therapies such as magnetic resonance exams for respiratory-triggered imaging, chronic pulmonary…

Good quality sleep is essential for good health and sleep monitoring becomes a vital research topic. This paper provides a low cost, continuous and contactless WiFi-based vital signs (breathing and heart rate) monitoring method. In…

Human-Computer Interaction · Computer Science 2019-08-15 Yu Gu , Xiang Zhang , Zhi Liu , Fuji Ren

INTRODUCTION: The Response Evaluation Criteria in Solid Tumors (RECIST) serve as the accepted standard to monitor treatment efficacy in lung cancer. However, the time intervals between consecutive computerized tomography scans might be too…

Tissues and Organs · Quantitative Biology 2017-06-02 Inbar Nardi Agmon , Manal Abud , Ori Liran , Naomi Gai-Mo , Maya Ilouze , Amir Onn , Jair Bar , Rossie Navon , Dekel Shlomi , Hossam Haick , Nir Peled

Beyond LISA, proposed space-based gravitational wave (GW) missions aim to explore the sub-millihertz to microhertz frequency band, with one key objective being the detection of massive binary black hole (MBBH) mergers across cosmic…

General Relativity and Quantum Cosmology · Physics 2025-09-25 Renjie Wang , Yumeng Xu , Gang Wang , Bin Hu , Rong-Gen Cai

We have performed cough detection based on measurements from an accelerometer attached to the patient's bed. This form of monitoring is less intrusive than body-attached accelerometer sensors, and sidesteps privacy concerns encountered when…

Machine Learning · Computer Science 2022-05-12 Madhurananda Pahar , Igor Miranda , Andreas Diacon , Thomas Niesler

Continuous monitoring of respiratory activity is desirable in many clinical applications to detect respiratory events. Non-contact monitoring of respiration can be achieved with near- and far-infrared spectrum cameras. However, current…

Signal Processing · Electrical Eng. & Systems 2020-06-02 Gaetano Scebba , Giulia Da Poian , Walter Karlen