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The impact of citizen journalism raises important video integrity and credibility issues. In this article, we introduce Vamos, the first user transparent video "liveness" verification solution based on video motion, that accommodates the…

Cryptography and Security · Computer Science 2017-04-10 Mahmudur Rahman , Mozhgan Azimpourkivi , Umut Topkara , Bogdan Carbunar

Heart rate and respiratory rate measurement is a vital step for diagnosing many diseases. Non-contact camera based physiological measurement is more accessible and convenient in Telehealth nowadays than contact instruments such as fingertip…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Yuzhuo Ren , Braeden Syrnyk , Niranjan Avadhanam

Traditionally, clinicians use tuning forks as a binary measure to assess vibrotactile sensory perception. This approach has low measurement resolution, and the vibrations are highly variable. Therefore, we propose using vibrations from a…

Human-Computer Interaction · Computer Science 2022-06-22 Rachel A. G. Adenekan , Alexis J. Lowber , Bryce N. Huerta , Allison M. Okamura , Kyle T. Yoshida , Cara M. Nunez

The ability to monitor respiratory rate is extremely important for medical treatment, healthcare and fitness sectors. In many situations, mobile methods, which allow users to undertake every day activities, are required. However, current…

Computer Vision and Pattern Recognition · Computer Science 2017-09-22 Youngjun Cho , Simon J. Julier , Nicolai Marquardt , Nadia Bianchi-Berthouze

Foundation models have achieved remarkable success across various domains, yet their adoption in healthcare remains limited. While significant advances have been made in medical imaging, genetic biomarkers, and time series from electronic…

Echocardiography has become an indispensable clinical imaging modality for general heart health assessment. From calculating biomarkers such as ejection fraction to the probability of a patient's heart failure, accurate segmentation of the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Fadillah Maani , Asim Ukaye , Nada Saadi , Numan Saeed , Mohammad Yaqub

Many phenomena of interest in nature and industry occur rapidly and are difficult and cost-prohibitive to visualize properly without specialized cameras. Here we describe in detail the Virtual Frame Technique (VFT), a simple, useful, and…

Instrumentation and Detectors · Physics 2019-08-06 Sam Dillavou , Shmuel M Rubinstein , John M Kolinski

Respiratory ailments afflict a wide range of people and manifests itself through conditions like asthma and sleep apnea. Continuous monitoring of chronic respiratory ailments is seldom used outside the intensive care ward due to the large…

Human heartbeat can be measured using several different ways appropriately based on the patient condition which includes contact base such as measured by using instruments and non-contact base such as computer vision assisted techniques.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Vladislav Ostankovich , Geesara Prathap , Ilya Afanasyev

Smart rings offer a convenient way to continuously and unobtrusively monitor cardiovascular physiological signals. However, a gap remains between the ring hardware and reliable methods for estimating cardiovascular parameters, partly due to…

Image and Video Processing · Electrical Eng. & Systems 2025-05-09 Jiankai Tang , Kegang Wang , Yingke Ding , Jiatong Ji , Zeyu Wang , Xiyuxing Zhang , Ping Chen , Yuanchun Shi , Yuntao Wang

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

With the growing adoption and capabilities of vision-language models (VLMs) comes the need for benchmarks that capture authentic user-VLM interactions. In response, we create VisionArena, a dataset of 230K real-world conversations between…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Christopher Chou , Lisa Dunlap , Koki Mashita , Krishna Mandal , Trevor Darrell , Ion Stoica , Joseph E. Gonzalez , Wei-Lin Chiang

Camera-based physiological monitoring, especially remote photoplethysmography (rPPG), is a promising tool for health diagnostics, and state-of-the-art pulse estimators have shown impressive performance on benchmark datasets. We argue that…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Jeremy Speth , Nathan Vance , Benjamin Sporrer , Lu Niu , Patrick Flynn , Adam Czajka

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

We train and validate a semi-supervised, multi-task LSTM on 57,675 person-weeks of data from off-the-shelf wearable heart rate sensors, showing high accuracy at detecting multiple medical conditions, including diabetes (0.8451), high…

A significant proportion of clinical physiologic monitoring alarms are false. This often leads to alarm fatigue in clinical personnel, inevitably compromising patient safety. To combat this issue, researchers have attempted to build Machine…

Machine Learning · Computer Science 2022-06-22 Arnab Dey , Mononito Goswami , Joo Heung Yoon , Gilles Clermont , Michael Pinsky , Marilyn Hravnak , Artur Dubrawski

One of the main challenges of social interaction in virtual reality settings is that head-mounted displays occlude a large portion of the face, blocking facial expressions and thereby restricting social engagement cues among users. Hence,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Steven Hickson , Nick Dufour , Avneesh Sud , Vivek Kwatra , Irfan Essa

Sign language is one of the most effective communication tools for people with hearing difficulties. Most existing works focus on improving the performance of sign language tasks on RGB videos, which may suffer from degraded recording…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Pengyu Zhang , Hao Yin , Zeren Wang , Wenyue Chen , Shengming Li , Dong Wang , Huchuan Lu , Xu Jia

Sepsis is a significant cause of early mortality, high healthcare costs, and disability-adjusted life years. Digital interventions like continuous cardiac monitoring can help detect early warning signs and facilitate effective…

Signal Processing · Electrical Eng. & Systems 2024-08-01 Kanika Dheman , Marco Giordano , Cyriac Thomas , Philipp Schilk , Michele Magno

Vital signs are crucial in intensive care units (ICUs). They are used to track the patient's state and to identify clinically significant changes. Predicting vital sign trajectories is valuable for early detection of adverse events.…

Machine Learning · Computer Science 2024-03-28 Bar Eini Porat , Danny Eytan , Uri Shalit