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Early ophthalmic screening in low-resource and remote settings is constrained by access to specialized equipment and trained practitioners. We present SKINOPATHY AI, a smartphone-first web application that delivers five complementary,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 S. Kalaycioglu , C. Hong , M. Zhu , H. Xie

Due to a lack of medical resources or oral health awareness, oral diseases are often left unexamined and untreated, affecting a large population worldwide. With the advent of low-cost, sensor-equipped smartphones, mobile apps offer a…

Human-Computer Interaction · Computer Science 2020-01-24 Yuan Liang , Hsuan-Wei Fan , Zhujun Fang , Leiying Miao , Wen Li , Xuan Zhang , Weibin Sun , Kun Wang , Lei He , Xiang Anthony Chen

Technology adoption in healthcare services has resulted in advancing care delivery services and improving the experiences of patients. This paper presents research that aims to find the important requirements for a remote monitoring system…

Signal Processing · Electrical Eng. & Systems 2022-05-09 Hasan Naji , Nicolae Goga , Ammar Karkar , Iuliana Marin , Haider Abdullah Ali

Recent work has shown that a person's sympathetic arousal can be estimated from facial videos alone using basic signal processing. This opens up new possibilities in the field of telehealth and stress management, providing a non-invasive…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Björn Braun , Daniel McDuff , Tadas Baltrusaitis , Paul Streli , Max Moebus , Christian Holz

Using a field-portable, smartphone fluorometer to assess water quality based on the pH response of a designer probe, a map of pH of public tap water sites has been obtained. A custom designed Android application digitally processed and…

Instrumentation and Detectors · Physics 2015-10-27 Arafat Hossain , John Canning , Sandra Ast , Peter J. Rutledge , Abbas Jamalipour

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

Sleep is an essential and vital element of a person life and health that helps to refresh and recharge the mind and body of a person. The quality of sleep is very important in every person lifestyle, removing various diseases. Bad sleep is…

Other Computer Science · Computer Science 2022-09-13 Abdur Rab Dhruba , Kazi Nabiul Alam , Md Shakib Khan , Sami Bourouis , Mohammad Monirujjaman Khan

Telemedicine utilization was accelerated during the COVID-19 pandemic, and skin conditions were a common use case. However, the quality of photographs sent by patients remains a major limitation. To address this issue, we developed…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Kailas Vodrahalli , Justin Ko , Albert S. Chiou , Roberto Novoa , Abubakar Abid , Michelle Phung , Kiana Yekrang , Paige Petrone , James Zou , Roxana Daneshjou

Camera-based contactless photoplethysmography refers to a set of popular techniques for contactless physiological measurement. The current state-of-the-art neural models are typically trained in a supervised manner using videos accompanied…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Xin Liu , Yuntao Wang , Sinan Xie , Xiaoyu Zhang , Zixian Ma , Daniel McDuff , Shwetak Patel

The mechanical characterization of cell spheroids, one of the most widely used 3D biology models in vitro, is a hotspot of current research on the role played by the mechanical response of cells and tissues. The techniques proposed so far…

Quantitative Methods · Quantitative Biology 2023-08-11 Rosalia Ferraro , Sergio Caserta , Stefano Guido

Contact tracing is widely considered as an effective procedure in the fight against epidemic diseases. However, one of the challenges for technology based contact tracing is the high number of false positives, questioning its…

Computers and Society · Computer Science 2020-07-28 Khuong An Nguyen , Zhiyuan Luo , Chris Watkins

With the ongoing heart problems of the population worldwide, the medical requirements of the people are expected to increase. Electrocardiogram (ECG) is one of the proven to capture the heart response signal to assess the electrical and…

Signal Processing · Electrical Eng. & Systems 2021-09-08 Ayan Chatterjee , Sundar Gopalakrishnan , Martin Gerdes , Santiago Martinez , Nibedita Pahari , Pankaj Khatiwada

Sleep apnea is a serious and severely under-diagnosed sleep-related respiration disorder characterized by repeated disrupted breathing events during sleep. It is diagnosed via polysomnography which is an expensive test conducted in a sleep…

Out-of-hospital cardiac arrest (OHCA) is a leading cause of death worldwide. Rapid diagnosis and initiation of cardiopulmonary resuscitation (CPR) is the cornerstone of therapy for victims of cardiac arrest. Yet a significant fraction of…

Computers and Society · Computer Science 2019-03-01 Justin Chan , Thomas Rea , Shyamnath Gollakota , Jacob E. Sunshine

In recent years, research about monitoring vital signs by smartphones grows significantly. There are some special sensors like Electrocardiogram (ECG) and Photoplethysmographic (PPG) to detect heart rate (HR) and respiration rate (RR).…

Image and Video Processing · Electrical Eng. & Systems 2021-06-08 Jafar Pourbemany , Almabrok Essa , Ye Zhu

Interpersonal relationships are necessary for successful daily functioning and wellbeing. Numerous studies have demonstrated the importance of social connectivity for mental health, both through direct peer-to-peer influence and by the…

Social and Information Networks · Computer Science 2017-12-07 Tjeerd W. Boonstra , Aliza Werner-Seidler , Bridianne O'Dea , Mark E. Larsen , Helen Christensen

We measure the vertical velocities of elevators, pedestrians climbing stairs, and drones (flying unmanned aerial vehicles), by means of smartphone pressure sensors. The barometric pressure obtained with the smartphone is related to the…

Physics Education · Physics 2016-12-21 Martin Monteiro , Arturo C. Marti

Timely treatment of stroke is critical to minimize brain damage. Therefore, efforts are being made to educate the public on detecting stroke symptoms, e.g., face, arms, and speech test (FAST). In this position paper, we propose to perform…

Neurons and Cognition · Quantitative Biology 2023-11-17 Vittorio Lippi , Isabelle Daniela Walz , Tobias Heimbach , Simone Meier , Jochen Brich , Christian Haverkamp , Christoph Maurer

Photoplethysmography is a prevalent, non-invasive heart monitoring method. In this paper an implementation of photoplethysmography on the Raspberry Pi is presented. Two modulation techniques are discussed, which make possible to measure…

Systems and Control · Computer Science 2014-03-17 Tamas Nagy , Zoltan Gingl

The growing integration of smart environments and low-power computing devices, coupled with mass-market sensor technologies, is driving advancements in remote and non-contact physiological monitoring. However, deploying these systems in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Constantino Álvarez Casado , Sasan Sharifipour , Manuel Lage Cañellas , Nhi Nguyen , Le Nguyen , Miguel Bordallo López
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