English
Related papers

Related papers: Lung Function Measurement with Multiple-Breath-Hel…

200 papers

In this paper, a parallel computing method is proposed to perform the background denoising and wheezing detection from a multi-channel recording captured during the auscultation process. The proposed system is based on a non-negative matrix…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-11 Antonio J. Muñoz-Montoro , Pablo Revuelta-Sanz , Damian Martínez-Muñoz , Juan Torre-Cruz , José Ranilla

An integrated numerical model is proposed for the first time to explore the coupled hydro-aero-turbo dynamics of wave-energy-harvesting (WEH) liquid tanks. A scaled prototype of the WEH liquid tank with an impulse air turbine system is made…

Fluid Dynamics · Physics 2026-02-16 Chongwei Zhang , Xunhao Zhu , Cheng Zhang , Luofeng Huang , Dezhi Ning

Mechanically ventilated patients typically exhibit abnormal respiratory sounds. Squawks are short inspiratory adventitious sounds that may occur in patients with pneumonia, such as COVID-19 patients. In this work we devised a method for…

We introduce a new method for measuring the Hubble parameter from low-redshift large-scale observations that is independent of the comoving sound horizon. The method uses the baryon-to-photon ratio determined by the primordial deuterium…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-25 Alex Krolewski , Will J. Percival , Alex Woodfinden

Nowadays air pollution becomes one of the biggest world issues in both developing and developed countries. Helping individuals understand their air pollution exposure and health risks, the traditional way is to utilize data from static…

Computers and Society · Computer Science 2020-05-29 Ke Hu , Ashfaqur Rahman , Hassan Habibi Gharakheili , Vijay Sivaraman

We present NMR measurements of the diffusion of hyperpolarized helium-3 in the human lung performed at fields much lower than those of conventional MRI scanners. The measurements were made on standing subjects using homebuilt apparatus…

Third generation gravitational wave (GW) detectors are expected to detect millions of binary black hole (BBH) mergers during their operation period. A small fraction of them ($\sim 1\%$) will be strongly lensed by intervening galaxies and…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-17 Souvik Jana , Shasvath J. Kapadia , Tejaswi Venumadhav , Parameswaran Ajith

Non-contact technology for monitoring multiple people's vital signs, such as respiration and heartbeat, has been investigated in recent years due to the rising cardiopulmonary morbidity, the risk of transmitting diseases, and the heavy…

Signal Processing · Electrical Eng. & Systems 2022-05-12 Yonathan Eder , Yonina C. Eldar

This report describes the use of a support vector machines with a novel kernel, to determine the breathing rate and inhalation duration of a fire fighter wearing a Self-Contained Breathing Apparatus. With this information, an incident…

Sound · Computer Science 2016-02-26 Eric E. Hamke , Ramiro Jordan , Manel Ramon-Martinez

Sensor networks are currently an active research area mainly due to the potential of their applications. In this paper we investigate the use of Wireless Sensor Networks (WSN) for air pollution monitoring in Mauritius. With the fast growing…

Networking and Internet Architecture · Computer Science 2010-07-15 Kavi K. Khedo , Rajiv Perseedoss , Avinash Mungur , University of Mauritius , Mauritius

Breath analysis has emerged as a critical tool in health monitoring, offering insights into respiratory function, disease detection, and continuous health assessment. While traditional contact-based methods are reliable, they often pose…

Machine Learning · Computer Science 2025-08-14 Almustapha A. Wakili , Babajide J. Asaju , Woosub Jung

In the first three observation runs, ground-based gravitational wave (GW) detectors have observed close to 100 compact binary coalescence (CBC) events. The GW detection rates for CBCs are expected to increase with improvements in the…

General Relativity and Quantum Cosmology · Physics 2024-04-01 Sayantan Ghosh , Koustav Chandra , Archana Pai

Pulse wave analysis is an important method used to gather information about the cardiovascular system. Instead of detecting the pulse wave via pressure sensors, bioimpedance measurements can be performed to acquire minuscule changes in the…

Medical Physics · Physics 2019-02-26 Roman Kusche , Paula Klimach , Martin Ryschka

This paper explores the deployment of mm-wave Frequency Modulated Continuous Wave (FMCW) radar for vital sign detection across multiple scenarios. We focus on overcoming the limitations of traditional sensing methods by enhancing signal…

Signal Processing · Electrical Eng. & Systems 2025-08-29 Ehsan Sadeghi , Paul Havinga

The past few years have witnessed the great potential of exploiting channel state information retrieved from commodity WiFi devices for respiration monitoring. However, existing approaches only work when the target is close to the WiFi…

Signal Processing · Electrical Eng. & Systems 2019-08-13 Youwei Zeng , Dan Wu , Jie Xiong , Enze Yi , Ruiyang Gao , Daqing Zhang

We propose a method to measure the respiration of a rhesus monkey using a millimeter-wave radar system with an antenna array. Unlike humans, small animals are generally restless and hyperactive in nature, and suppression of their body…

Signal Processing · Electrical Eng. & Systems 2023-06-30 Takuya Sakamoto , Daisuke Sanematsu , Itsuki Iwata , Toshiki Minami , Masako Myowa

Objective: The automatic discrimination between the coughing sounds produced by patients with tuberculosis (TB) and those produced by patients with other lung ailments. Approach: We present experiments based on a dataset of 1358 forced…

Sound · Computer Science 2022-05-12 Madhurananda Pahar , Marisa Klopper , Byron Reeve , Grant Theron , Rob Warren , Thomas Niesler

We demonstrate a novel beam pattern measurement method for the side lobe characterization of cosmic microwave background telescopes. The method employs a power-variable artificial microwave source under feedback control from the detector…

Instrumentation and Methods for Astrophysics · Physics 2026-02-25 Haruaki Hirose , Masaya Hasegawa , Daisuke Kaneko , Taketo Nagasaki , Ryota Takaku , Tijmen de Haan , Satoru Takakura , Takuro Fujino

One of the most promising approaches to overcome the uncertainty and dynamic channel variations of millimeter wave (mmW) communications is to deploy dual-mode base stations that integrate both mmW and microwave ($\mu$W) frequencies. If…

Computer Science and Game Theory · Computer Science 2017-03-23 Omid Semiari , Walid Saad , Mehdi Bennis , Behrouz Maham

Gravitational-wave (GW) ringdown signals from black holes (BHs) encode crucial information about the gravitational dynamics in the strong-field regime, which offers unique insights into BH properties. In the future, the improving…

General Relativity and Quantum Cosmology · Physics 2026-04-24 Yiming Dong , Ziming Wang , Hai-Tian Wang , Junjie Zhao , Lijing Shao