Photoplethysmography (PPG) is a low-cost, noninvasive optical technique that uses change
in light transmission with changes in blood volume within tissue to provide information for …

Despite the increasing awareness of the importance of sleep, the number of people suffering
from insufficient sleep has increased every year. The gold-standard sleep assessment uses …

Smart wearables provide an opportunity to monitor health in daily life and are emerging as
potential tools for detecting cardiovascular disease (CVD). Wearables such as fitness bands …

Optical pulse detection 'photoplethysmography'(PPG) provides a means of low cost and
unobtrusive physiological monitoring that is popular in many wearable devices. However …

Photoplethysmography (PPG) sensor-enabled wearable health monitoring devices can
monitor realtime health status. PPG technology is a low-cost, noninvasive optical method …

Objective: We developed a wearable watch-based device to provide noninvasive, cuff-less
blood pressure (BP) estimation in an at-home setting. Methods: The watch measures single …

Photoplethysmographic (PPG) signals are mainly employed for heart rate estimation but are
also fascinating candidates in the search for cardiovascular biomarkers. However, their high …

Recent technological advances in the field of sensors, signal processing and image
processing favor the development of new techniques for vital parameters monitoring such as …

Abstract Background and Motivations Physiological signals, such as the
Photoplethysmogram (PPG) collected through wearable devices, consistently encounter …

Wearable sensors and devices capable of simulating human somatosensation are highly
desirable to develop the next generation of electronic skins (e-skins), human-machine …