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Physical exercise has significant benefits for humans in improving the health and quality of their lives, by improving the functional performance of their cardiovascular and respiratory systems. However, it is very important to control the…

Quantitative Methods · Quantitative Biology 2014-03-28 Dur-e-Zehra Baig

Birth asphyxia is a major newborn mortality problem in low-resource countries. International guideline provides treatment recommendations; however, the importance and effect of the different treatments are not fully explored. The available…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Øyvind Meinich-Bache , Kjersti Engan , Ivar Austvoll , Trygve Eftestøl , Helge Myklebust , Ladislaus Blacy Yarrot , Hussein Kidanto , Hege Ersdal

Tracking motions of humans or objects in the surroundings of the robot is essential to improve safe robot motions and reactions. In this work, we present an approach for scene flow estimation from low-density and noisy point clouds acquired…

Robotics · Computer Science 2025-08-01 Jack Sander , Giammarco Caroleo , Alessandro Albini , Perla Maiolino

Autonomous flight of pocket drones is challenging due to the severe limitations on on-board energy, sensing, and processing power. However, tiny drones have great potential as their small size allows maneuvering through narrow spaces while…

Robotics · Computer Science 2017-03-16 Kimberly McGuire , Guido de Croon , Christophe de Wagter , Bart Remes , Karl Tuyls , Hilbert Kappen

Objective: to establish an algorithmic framework and a benchmark dataset for comparing methods of pulse rate estimation using imaging photoplethysmography (iPPG). Approach: first we reveal essential steps of pulse rate estimation from…

Image and Video Processing · Electrical Eng. & Systems 2018-05-01 Anton M. Unakafov

Wireless techniques for monitoring human vital signs, such as heart and breathing rates, offer a promising solution in the context of joint communication and sensing (JCAS) with applications in medicine, sports, safety, security, and even…

Emerging Technologies · Computer Science 2026-01-01 Jakub Dobosz , Maximilian Engelhardt , Diego Dupleich , Maciej Stapor , Pawel Kulakowski

This paper focuses on a novel approach for detecting moving objects during camera motion. We present an optical-flow-based transformation that yields a consistent 2D invariant image output regardless of time instants, range of points in 3D,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Daniel Raviv , Juan D. Yepes , Ayush Gowda

In recent years, thermal display has been studied intensively in order to represent a more realistic tactile quality of the object. Since human feels the temperature of the air without touching other objects, it is necessary to present…

Human-Computer Interaction · Computer Science 2023-10-24 Jiayi Xu , Yoshihiro Kuroda , Shunsuke Yoshimoto , Osamu Oshiro

Micro and nanoscale particles are crucial in various fields, from biomedical imaging to environmental processes. While conventional spectroscopy and microscopy methods for characterizing these particles often involve bulky equipment and…

Biological Physics · Physics 2024-11-26 Jie Liao , Maxwell Adolphson , Hangyue Li , Dipayon Kumar Sikder , Chenyang Lu , Lan Yang

Human-machine interfaces in industrial automation need sensing modules that monitor operator actions and physiological state. This is important in factories, vehicles, machinery cabins, and human-robot collaboration, where workload, stress,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Constantino Álvarez Casado , Mohammad Rahman , Sasan Sharifipour , Nhi Nguyen , Manuel Lage Cañellas , Xiaoting Wu , Miguel Bordallo López

Cerebral blood flow is a critical metric for cerebrovascular monitoring, with applications in stroke detection, brain injury evaluation, aging, and neurological disorders. Non-invasively measuring cerebral blood dynamics is challenging due…

Continuous cardiovascular monitoring is essential for managing circulatory health and disease, yet most wearable sensors are constrained by reliance on electrical transduction and built-in electronics. We present a circuit-free, wholly…

Extracting the instantaneous heart rate (iHR) from face videos has been well studied in recent years. It is well known that changes in skin color due to blood flow can be captured using conventional cameras. One of the main limitations of…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Natalia Martinez , Martin Bertran , Guillermo Sapiro , Hau-Tieng Wu

Optical flow refers to the visual motion observed between two consecutive images. Since the degree of freedom is typically much larger than the constraints imposed by the image observations, the straightforward formulation of optical flow…

Machine Learning · Statistics 2018-08-21 Jie Sun , Fernando J. Quevedo , Erik Bollt

Cardiovascular diseases remain a leading cause of mortality and disability. The convenient measurement of cardiovascular health using smart systems is therefore a key enabler to foster accurate and early detection and diagnosis of…

Signal Processing · Electrical Eng. & Systems 2025-05-21 Nima Bahmani , Dariush Salami , Hüseyin Yiğitler , Juhapekka Hietala , Tuukka Panula , Stephan Sigg

Continuous monitoring of human vital signs using non-contact mmWave radars is attractive due to their ability to penetrate garments and operate under different lighting conditions. Unfortunately, most prior research requires subjects to…

Signal Processing · Electrical Eng. & Systems 2023-03-27 Bo Zhang , Boyu Jiang , Rong Zheng , Xiaoping Zhang , Jun Li , Qiang Xu

The security of private information is becoming the bedrock of an increasingly digitized society. While the users are flooded with passwords and PINs, these gold-standard explicit authentications are becoming less popular and valuable.…

Signal Processing · Electrical Eng. & Systems 2020-08-26 William Cheung , Sudip Vhaduri

Remote heart rate measurement is an increasingly concerned research field, usually using remote photoplethysmography (rPPG) to collect heart rate information through video data collection. However, in certain specific scenarios (such as low…

Image and Video Processing · Electrical Eng. & Systems 2024-06-06 Jianming Yu , Yuchen He , Bin Li , Hui Chen , Huaibin Zheng , Jianbin Liu , Zhuo Xu

Today's fitness bands and smartwatches typically track heart rates (HR) using optical sensors. Large behavioral studies such as the UK Biobank use activity trackers without such optical sensors and thus lack HR data, which could reveal…

Quantitative Methods · Quantitative Biology 2024-11-04 Max Moebus , Lars Hauptmann , Nicolas Kopp , Berken Demirel , Björn Braun , Christian Holz

Human health can be critically affected by cardiovascular diseases, such as hypertension, arrhythmias, and stroke. Heart rate and blood pressure are important biometric information for the monitoring of cardiovascular system and early…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Gyutae Hwang , Sang Jun Lee