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A blood turbine-pump system (iATVA), resembling a turbocharger was proposed as a mechanical right-heart assist device without external drive power. In this study, the iATVA system is investigated with particular emphasis on the blood…

Fluid Dynamics · Physics 2024-04-17 Kagan Ucak , Faruk Karatas , Emre Cetinkaya , Kerem Pekkan

We present an algorithm for the simultaneous measurement of a pulse time-of-arrival (TOA) and dispersion measure (DM) from folded wideband pulsar data. We extend the prescription from Taylor (1992) to accommodate a general two-dimensional…

Instrumentation and Methods for Astrophysics · Physics 2020-06-04 Timothy T. Pennucci , Paul B. Demorest , Scott M. Ransom

Recent research has focused on the risks associated with poor sitting posture and the impact of sitting on biological parameters, such as heart rate because prolonged sitting is common across all ages and professions. In this work, we…

Human-Computer Interaction · Computer Science 2024-10-03 Nguyen Thi Minh Huong , Vo Quoc Bao , Nguyen Trung Hau , Huynh Quang Linh

This paper explores an integrated approach for improved sensing and positioning with applications in air traffic management (ATM) and in the Advanced Surface Movement Guidance and Control System (A-SMGCS). The integrated approach includes…

Mean arterial blood pressure (MAP) dynamics estimation and its automated regulation could benefit the clinical and emergency resuscitation of critical patients. In order to address the variability and complexity of the MAP response of a…

Systems and Control · Electrical Eng. & Systems 2020-07-09 Shahin Tasoujian , Saeed Salavati , Matthew Franchek , Karolos Grigoriadis

High-precision measurements of the pulsar dispersion measure (DM) are possible using telescopes with low-frequency wideband receivers. We present an initial study of the application of the wideband timing technique, which can simultaneously…

Monitoring of cardiovascular activity is highly desired and can enable novel applications in diagnosing potential cardiovascular diseases and maintaining an individual's well-being. Currently, such vital signs are measured using intrusive…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Mayank Gupta , Lingjun Chen , Denny Yu , Vaneet Aggarwal

Vital sign monitoring plays a critical role in tracking the physiological state of people and enabling various health-related applications (e.g., recommending a change of lifestyle, examining the risk of diseases). Traditional approaches…

Signal Processing · Electrical Eng. & Systems 2023-10-27 Zhaoyi Xu , Cong Shi , Tianfang Zhang , Shuping Li , Yichao Yuan , Chung-Tse Michael Wu , Yingying Chen , Athina Petropulu

Remote photoplethysmography (rPPG) enables non-contact, continuous monitoring of physiological signals and offers a practical alternative to traditional health sensing methods. Although rPPG is promising for daily health monitoring, its…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Xulin Ma , Jiankai Tang , Zhang Jiang , Songqin Cheng , Yuanchun Shi , Dong LI , Xin Liu , Daniel McDuff , Xiaojing Liu , Yuntao Wang

Mental healthcare is one of the prominent parts of the healthcare industry with alarming concerns related to patients depression, stress leading to self-harm and threat to fellow patients and medical staff. To provide a therapeutic…

Human-Computer Interaction · Computer Science 2023-01-24 Thanveer Shaik , Xiaohui Tao , Niall Higgins , Haoran Xie , Raj Gururajan , Xujuan Zhou

We have constructed a new timescale, TT(IPTA16), based on observations of radio pulsars presented in the first data release from the International Pulsar Timing Array (IPTA). We used two analysis techniques with independent estimates of the…

Photoplethysmography (PPG) is a method of detecting variation in blood volume commonly through contact with the skin and involving the usage of one or multiple sensors. PPG is typically used in health-related fields and one of its most…

Medical Physics · Physics 2021-08-24 Jiesheng He , Wei Wu

Background. Clinical parameters measured from gated single-photon emission computed tomography myocardial perfusion imaging (SPECT MPI) have value in predicting cardiac resynchronization therapy (CRT) patient outcomes, but still show…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Kristoffer Larsena , Zhuo He , Chen Zhao , Xinwei Zhang , Quiying Sha , Claudio T Mesquitad , Diana Paeze , Ernest V. Garciaf , Jiangang Zou , Amalia Peix , Weihua Zhou

Continuous and noninvasive monitoring of blood pressure has numerous clinical and fitness applications. Current methods of continuous measurement of blood pressure are either invasive and/or require expensive equipment. Therefore, we…

Signal Processing · Electrical Eng. & Systems 2018-11-16 Armin Soltan Zadi , Raichel Alex , Rong Zhang , Donald E. Watenpaugh , Khosrow Behbehani

A "pulsar timing array" (PTA), in which observations of a large sample of pulsars spread across the celestial sphere are combined, allows investigation of "global" phenomena such as a background of gravitational waves or instabilities in…

Understanding excitation and charge transfer in disordered media is a significant challenge in chemistry, biophysics and material science. We study two experimentally-relevant measures for carriers transfer in finite-size chains, the…

Mesoscale and Nanoscale Physics · Physics 2018-09-18 Na'im Kalantar , Dvira Segal

One of the major challenges for pulsar timing array (PTA) experiments is the mitigation of the effects of the turbulent interstellar medium (ISM) from timing data. These can potentially lead to measurable delays and/or distortions in the…

Passive monitoring of acoustic or radio sources has important applications in modern convenience, public safety, and surveillance. A key task in passive monitoring is multiobject tracking (MOT). This paper presents a Bayesian method for…

Signal Processing · Electrical Eng. & Systems 2024-02-29 Wenyu Zhang , Florian Meyer

Ambulatory blood pressure monitoring (ABPM) enables continuous measurement of blood pressure and heart rate over 24 hours and is increasingly used in clinical studies. However, ABPM data are often reduced to summary statistics, such as…

Methodology · Statistics 2025-07-17 Leyuan Qian , R. Nisha Aurora , Naresh M. Punjabi , Irina Gaynanova

Remote physiological measurements, e.g., remote photoplethysmography (rPPG) based heart rate (HR), heart rate variability (HRV) and respiration frequency (RF) measuring, are playing more and more important roles under the application…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Xuesong Niu , Zitong Yu , Hu Han , Xiaobai Li , Shiguang Shan , Guoying Zhao