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Point-of-Care Ultrasound (POCUS) refers to clinician-performed and interpreted ultrasonography at the patient's bedside. Interpreting these images requires a high level of expertise, which may not be available during emergencies. In this…

Subjective well-being is a cornerstone of individual and societal health, yet its scientific measurement has traditionally relied on self-report methods prone to recall bias and high participant burden. This has left a gap in our…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Ming-Zher Poh , Shun Liao , Marco Andreetto , Daniel McDuff , Jonathan Wang , Paolo Di Achille , Jiang Wu , Yun Liu , Lawrence Cai , Eric Teasley , Mark Malhotra , Anupam Pathak , Shwetak Patel

Our research discovers how the rolling shutter and movable lens structures widely found in smartphone cameras modulate structure-borne sounds onto camera images, creating a point-of-view (POV) optical-acoustic side channel for acoustic…

Cryptography and Security · Computer Science 2023-09-13 Yan Long , Pirouz Naghavi , Blas Kojusner , Kevin Butler , Sara Rampazzi , Kevin Fu

We present the design of a productionized end-to-end stereo depth sensing system that does pre-processing, online stereo rectification, and stereo depth estimation with a fallback to monocular depth estimation when rectification is…

Consumer-grade smartwatches offer a new personalized health monitoring option for general consumers globally as cardiovascular diseases continue to prevail as the leading cause of global mortality. The development and validation of reliable…

Human-Computer Interaction · Computer Science 2025-12-04 Jathushan Kaetheeswaran , Boyi Ma , Ali Abedi , Milad Lankarany , Shehroz Khan

Muscle activation initiates contractions that drive human movement, and understanding it provides valuable insights for injury prevention and rehabilitation. Yet, sensing muscle activation is barely explored in the rapidly growing mobile…

Human-Computer Interaction · Computer Science 2026-02-12 Hao Zhou , Mahanth Gowda

Continuous monitoring of coma patients is essential but challenging, especially in developing countries with limited resources, staff, and infrastructure. This paper presents a low-cost IoT-based system designed for such environments. It…

Systems and Control · Electrical Eng. & Systems 2024-11-21 Hailemicael Lulseged Yimer , Hailegabriel Dereje Degefa , Marco Cristani , Federico Cunico

Measuring the blood pressure waveform is becoming a more frequently studied area. The development of sensor technologies opens many new ways to be able to measure high-quality signals. The development of such an aim-specific sensor can be…

Medical Physics · Physics 2025-06-06 Attila Répai , Sándor Földi , Péter Sótonyi , György Cserey

Multiple sclerosis (MS) affects the central nervous system with a wide range of symptoms. MS can, for example, cause pain, changes in mood and fatigue, and may impair a person's movement, speech and visual functions. Diagnosis of MS…

Computers and Society · Computer Science 2020-12-03 Patrick Schwab , Walter Karlen

Regular blood pressure (BP) monitoring in clinical and ambulatory settings plays a crucial role in the prevention, diagnosis, treatment, and management of cardiovascular diseases. Recently, the widespread adoption of ambulatory BP…

Medical Physics · Physics 2023-12-19 Seyedeh Somayyeh Mousavi , Matthew A. Reyna , Gari D. Clifford , Reza Sameni

Objective: The aim of the study is to develop a novel method for improved diagnosis of obstructive sleep apnea-hypopnea syndrome (OSAHS) in clinical or home settings, with the focus on achieving diagnostic performance comparable to the…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Wei Wang , Zhaoxi Chen , Wenyu Zhang , Zetao Wang , Xiang Zhao , Chenyang Li , Jian Guan , Shankai Yin , Gang Li

Remote photoplethysmography (rPPG), a family of techniques for monitoring blood volume changes, may be especially useful for widespread contactless health monitoring using face video from consumer-grade visible-light cameras. The COVID-19…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Jeremy Speth , Nathan Vance , Patrick Flynn , Kevin Bowyer , Adam Czajka

Healthcare technology has advanced with the development of an IoT-based real-time monitoring system for post-operative heart disease patients. This system integrates advanced sensor technologies with cloud-connected platforms to…

Instrumentation and Detectors · Physics 2024-10-16 Jayed Bin Harez , Shapla Akter , Rayhanul Islam Sony , M T Hasan Amin , Meratun Junnut Anee , Amzad Hossain

Traditional audiometry often provides an incomplete characterization of the functional impact of hearing loss on speech understanding, particularly for supra-threshold deficits common in presbycusis. This motivates the development of more…

Sound · Computer Science 2025-06-16 Stefan Bleeck

Smartphone cameras today are increasingly approaching the versatility and quality of professional cameras through a combination of hardware and software advancements. However, fixed aperture remains a key limitation, preventing users from…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Hadi Alzayer , Abdullah Abuolaim , Leung Chun Chan , Yang Yang , Ying Chen Lou , Jia-Bin Huang , Abhishek Kar

Sleep apnea is a breathing disorder where a person repeatedly stops breathing in sleep. Early detection is crucial for infants because it might bring long term adversities. The existing accurate detection mechanism (pulse oximetry) is a…

Signal Processing · Electrical Eng. & Systems 2021-05-11 Gihan Jayatilaka , Harshana Weligampola , Suren Sritharan , Pankayraj Pathmanathan , Roshan Ragel , Isuru Nawinne

With the rapid development of mobile devices, smartphones have gradually become an indispensable part of people's lives. Meanwhile, biometric authentication has been corroborated to be an effective method for establishing a person's…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Yingyi Zhang , Lin Zhang , Ruixin Zhang , Shaoxin Li , Jilin Li , Feiyue Huang

Breathing rate is a vital health metric that is an invaluable indicator of the overall health of a person. In recent years, the non-contact measurement of health signals such as breathing rate has been a huge area of development, with a…

Image and Video Processing · Electrical Eng. & Systems 2023-11-16 Robyn Maxwell , Timothy Hanley , Dara Golden , Adara Andonie , Joseph Lemley , Ashkan Parsi

The present paper addresses the task of reliably identifying critical contacts by using COVID-19 tracing apps. A reliable classification is crucial to ensure a high level of protection, and at the same time to prevent many people from being…

Signal Processing · Electrical Eng. & Systems 2020-08-12 Christoph Günther , Daniel Günther

Vital signs such as pulse rate and breathing rate are currently measured using contact probes. But, non-contact methods for measuring vital signs are desirable both in hospital settings (e.g. in NICU) and for ubiquitous in-situ health…

Computer Vision and Pattern Recognition · Computer Science 2015-03-25 Mayank Kumar , Ashok Veeraraghavan , Ashutosh Sabharval
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