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This research introduces an innovative method for the early screening of cardiorespiratory diseases based on an acquisition protocol, which leverages commodity smartphone's Inertial Measurement Units (IMUs) and deep learning techniques. We…

Machine Learning · Computer Science 2024-08-29 Lorenzo Simone , Luca Miglior , Vincenzo Gervasi , Luca Moroni , Emanuele Vignali , Emanuele Gasparotti , Simona Celi

Significance: Smartphones hold great potential in point-of-care settings due to their accessibility and computational capabilities. This is critical as clinicians increasingly seek to quantify skin-tone, a characteristic which has been…

Medical Physics · Physics 2024-11-22 Joshua A. Burrow , Rutendo Jakachira , Gannon Lemaster , Kimani C. Toussaint

This paper introduces a paradigm of smartphone application based disease diagnostics that may completely revolutionise the way healthcare services are being provided. Although primarily aimed to assist the problems in rendering the…

Image and Video Processing · Electrical Eng. & Systems 2020-08-21 Hrithwik Shalu , Harikrishnan P , Akash Das , Megdut Mandal , Harshavardhan M Sali , Juned Kadiwala

Over the last decade there has been high interest in home sleep monitoring among research community and society. Smartphone-based sleep monitoring seems to be especially attractive. However, smartphone should be able to register…

Signal Processing · Electrical Eng. & Systems 2019-05-08 Alexander Tataraidze , Roman Olesyuk , Mikhail Pikhletsky

Significance: Quantitative measurement of blood oxygen saturation (sO$_2$) with photoacoustic (PA) imaging is one of the most sought after goals of quantitative PA imaging research due to its wide range of biomedical applications. Aim: A…

Medical Physics · Physics 2021-02-23 Thomas Kirchner , Martin Frenz

The ability of sensing breathing is becoming an increasingly important function for technology that aims at supporting both psychological and physical wellbeing. We demonstrate ThermSense, a new breathing sensing platform based on…

Human-Computer Interaction · Computer Science 2018-03-28 Youngjun Cho , Nadia Bianchi-Berthouze , Simon J. Julier , Nicolai Marquardt

Hypomimia is a condition in the early stages of the progression of Parkinsons disease that limits the movement of facial muscles, restricting the accurate depiction of facial expressions. Also known as facial masking, this condition is an…

Medical Physics · Physics 2021-11-25 Simoni Mishra

Photoplethysmography (PPG) is a non-invasive technology that measures changes in blood volume in the microvascular bed of tissue. It is commonly used in medical devices such as pulse oximeters and wrist worn heart rate monitors to monitor…

We present a home-lab experimental activity, successfully proposed to our students during covid19 pandemic, based on \textit{state-of-the-art} technologies to teach error analysis and uncertainties to science and engineering students. In…

Physics Education · Physics 2024-04-04 Martin Monteiro , Cecilia Stari , Arturo C. Marti

Aortic valve opening (AO) events are crucial for detecting frequency and rhythm disorders, especially in real-world settings where seismocardiography (SCG) signals collected via consumer smartphones are subject to noise, motion artifacts,…

Quantitative Methods · Quantitative Biology 2026-01-21 Peter Golenderov , Yaroslav Matushenko , Anastasia Tushina , Michal Barodkin

The abnormal pause or rate reduction in breathing is known as the sleep-apnea hypopnea syndrome and affects the quality of sleep of an individual. A novel method for the detection of sleep apnea events (pause in breathing) from peripheral…

Machine Learning · Computer Science 2021-12-22 Arlene John , Koushik Kumar Nundy , Barry Cardiff , Deepu John

COVID19 and asthma are respiratory diseases that can be life threatening in uncontrolled circumstances and require continuous monitoring. A poverty stricken South Asian country like Bangladesh has been bearing the brunt of the COVID19…

We present the development of SpeCamX, a mobile application that transforms any unmodified smartphone into a powerful multispectral imager capable of capturing multispectral information. Our application includes an augmented…

Image and Video Processing · Electrical Eng. & Systems 2023-03-07 Qinghua He , Wanyu Li , Yaping Shi , Yi Yu , Yi Zhang , Wenqian Geng , Zhiyuan Sun , Ruikang K Wang

Objective: Sleep related respiratory abnormalities are typically detected using polysomnography. There is a need in general medicine and critical care for a more convenient method to automatically detect sleep apnea from a simple,…

Imbalanced nutrition is a global health issue with significant downstream effects. Current methods of assessing nutrient levels face several limitations, with accessibility being a major concern. In this paper, we take a step towards…

Medical Physics · Physics 2024-10-17 Andrew Balch , Maria A. Cardei , Afsaneh Doryab

Sleep apnea is a common chronic sleep-related disorder which is known to be a comorbidity for cerebro- and cardio-vascular disease. Diagnosis of sleep apnea usually requires an overnight polysomnography at the sleep laboratory. In this…

Hypertension is a leading cause of morbidity and mortality worldwide. The ability to diagnose and treat hypertension in the ambulatory population is hindered by limited access and poor adherence to current methods of monitoring blood…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Theodore Curran , Chengqian Ma , Xin Liu , Daniel McDuff , Girish Narayanswamy , George Stergiou , Shwetak Patel , Eugene Yang

Blindness and other eye diseases are a global health concern, particularly in low- and middle-income countries like India. In this regard, during the COVID-19 pandemic, teleophthalmology became a lifeline, and the Grabi attachment for…

Human-Computer Interaction · Computer Science 2024-08-08 Dhruv Srikanth , Jayang Gurung , N Satya Deepika , Vineet Joshi , Lopamudra Giri , Pravin Vaddavalli , Soumya Jana

This study focuses on assessing smartphone camera characteristics for developing an economic smartphone-based Particle Image Velocimetry (PIV) system. In the investigation, flow around a cylinder was visualized using two…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Vishesh Kashyap , Sushrut Kumar , Nehal Amit Jajal , Mrudang Mathur , Raj Kumar Singh

Resting heart rate (RHR) is an important biomarker of cardiovascular health and mortality, but tracking it longitudinally generally requires a wearable device, limiting its availability. We present PHRM, a deep learning system for passive…