Woodpecker-mimic two-layer band energy harvester with a piezoelectric array for powering wrist-worn wearables
Sign Up to like & getrecommendations! Published in 2021 at "Nano Energy"
DOI: 10.1016/j.nanoen.2021.106385
Abstract: Abstract Wrist-worn smart devices such as smartwatches and wristbands are rapidly penetrating our daily life for health, security and fashion purposes. However, the battery-powered wearables have a limited lifetime and need to be frequently recharged,… read more here.
Keywords: piezoelectric array; wrist; band; energy ... See more keywords
A novel method to increase specificity of sleep-wake classifiers based on wrist-worn actigraphy.
Sign Up to like & getrecommendations! Published in 2023 at "Chronobiology international"
DOI: 10.1080/07420528.2023.2188096
Abstract: The knowledge of the distribution of sleep and wake over a 24-h day is essential for a comprehensive image of sleep-wake rhythms. Current sleep-wake scoring algorithms for wrist-worn actigraphy suffer from low specificities, which leads… read more here.
Keywords: wrist worn; worn actigraphy; sleep wake; wake classifiers ... See more keywords
Sinus or not: a new beat detection algorithm based on a pulse morphology quality index to extract normal sinus rhythm beats from wrist-worn photoplethysmography recordings.
Sign Up to like & getrecommendations! Published in 2018 at "Physiological measurement"
DOI: 10.1088/1361-6579/aae7f8
Abstract: OBJECTIVE Wrist-worn photoplethysmography (PPG) can enable free-living physiological monitoring of people during diverse activities, ranging from sleep to physical exercise. In many applications, it is important to remove the pulses not related to sinus rhythm… read more here.
Keywords: rhythm beats; wrist worn; sinus rhythm; sinus ... See more keywords
Comparison of the Wrist-Worn Fitbit Charge 2 and the Waist-Worn Actigraph GTX3 for Measuring Steps Taken in Occupational Settings.
Sign Up to like & getrecommendations! Published in 2021 at "Annals of work exposures and health"
DOI: 10.1093/annweh/wxab065
Abstract: OBJECTIVES If consumer-based monitors such as Fitbit can measure activity accurately, it could provide opportunities for improved assessment of physical activity in general and at work for research purposes. The accuracy of the Fitbit has… read more here.
Keywords: work; wrist worn; actigraph; worn fitbit ... See more keywords
Wrist-worn arrhythmia monitoring devices are well accepted for long-term rhythm assessment by the elderly
Sign Up to like & getrecommendations! Published in 2023 at "Europace"
DOI: 10.1093/europace/euad122.641
Abstract: Abstract Funding Acknowledgements Type of funding sources: Private company. Main funding source(s): This study was funded by PulseOn Oy. Background Wearable devices such as patch ECG monitors and wrist-worn intermittent ECG devices have recently emerged… read more here.
Keywords: wrist worn; arrhythmia; monitoring period; monitoring ... See more keywords
Hand gesture recognition from wrist-worn camera for human-machine interaction
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3279845
Abstract: In this work, we study the ability to use hand gestures for human-machine interaction from wrist-worn sensors. Towards this goal, we design a wrist-worn prototype to capture RGB video stream of hand gestures. Then we… read more here.
Keywords: wrist worn; machine interaction; human machine; hand ... See more keywords
Robust Continuous Authentication Using Cardiac Biometrics From Wrist-Worn Wearables
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2021.3128290
Abstract: Traditional one-time user authentication is vulnerable to attacks when an adversary can obtain unauthorized privileges after a user’s initial login. Continuous user authentication (CA) has recently shown its great potential by enabling seamless user authentication… read more here.
Keywords: authentication; system; wrist worn; user authentication ... See more keywords
Characterization of Wrist Motions and Bionic Energy Harvesting for Wrist Wearables
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3178719
Abstract: Wrist-worn smart wearable devices, such as smartwatches and wristbands, are showing a high growth trajectory for decades in the wearable technology market. However, most wrist-worn generators are confined into watch bodies, which undermines the functionality… read more here.
Keywords: wrist worn; energy harvesting; characterization wrist; motions bionic ... See more keywords
A Coaxial Wrist-Worn Energy Harvester for Self-Powered Internet of Things Sensors
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3202166
Abstract: Energy harvesting from human motion has great potential of sustainably powering Internet of Things (IoT) sensors and satisfying their continuous sensing requirement. In this article, we propose a high-performance wrist-worn energy harvester to efficiently capture… read more here.
Keywords: wrist worn; energy; power; internet things ... See more keywords
A CRLH-TL Inspired Dual-Band Antenna With Polarization Diversity for Wrist-Worn Wireless Body Area Network Devices
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2023.3263944
Abstract: A wrist-worn dual-band smartwatch antenna with polarization diversity is proposed for smartwatches. The antenna has a cylindrical structure with a diameter of 33.6 mm and a height of 6.8 mm. The radiated structure is inspired… read more here.
Keywords: band; wrist worn; polarization diversity; antenna ... See more keywords
A Flexible Deep Learning Architecture for Temporal Sleep Stage Classification Using Accelerometry and Photoplethysmography
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Biomedical Engineering"
DOI: 10.1109/tbme.2022.3187945
Abstract: Wrist-worn consumer sleep technologies (CST) that contain accelerometers (ACC) and photoplethysmography (PPG) are increasingly common and hold great potential to function as out-of-clinic (OOC) sleep monitoring systems. However, very few validation studies exist because raw… read more here.
Keywords: wrist worn; ppg; photoplethysmography; raw data ... See more keywords