Accuracy and precision of wearable devices for real-time monitoring of swimming athletes

G Cosoli, L Antognoli, V Veroli, L Scalise - Sensors, 2022 - mdpi.com
Nowadays, the use of wearable devices is spreading in different fields of application, such
as healthcare, digital health, and sports monitoring. In sport applications, the present trend is …

Detecting atrial fibrillation in real time based on ppg via two cnns for quality assessment and detection

DH Nguyen, PCP Chao, CC Chung… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
Real-time detection of atrial fibrillation (AFib) is made possible by the quality assessment via
a 1-D convolutional neural network (1D-CNN) in a processor of a photoplethysmography …

Wearable quantum dots organic light-emitting diodes patch for high-power near infra-red photomedicene with real-time wavelength control

YW Kim, JH Kwon, HR Choi, JG Choi, OK Kwon… - Chemical Engineering …, 2024 - Elsevier
Wearable photomedical application fields, such as photobiomodulation (PBM), and
photoplethysmography (PPG) sensors using organic light-emitting diodes (OLEDs), are …

A dual-channel PPG readout system with motion-tolerant adaptability for OLED-OPD sensors

RK Pandey, PCP Chao - IEEE Transactions on Biomedical …, 2021 - ieeexplore.ieee.org
An adaptive PPG (Photoplethysmography) readout system for a dual-channel OLED-OPD
flexible sensor is designed and developed with motion artifact (< 1Hz) and ambient lighting …

A low-power PPG readout with an automatic switching between ambient light and OLED driver

RK Pandey, EF Pribadi, PCP Chao - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
A low-power and low-noise photoplethysmography (PPG) readout for a flexible circular
organic light-emitting diode (OLED)-organic photodiode (OPD) patch to estimate blood …

Design and implementation of a photoplethysmography acquisition system with an optimized artificial neural network for accurate blood pressure measurement

RK Pandey, TY Lin, PCP Chao - Microsystem Technologies, 2021 - Springer
A new neural network (NN) is orchestrated by this study to achieve high-accuracy in blood
pressure (BP) estimation by a real-time photoplethysmography (PPG). The PPG system …

A low-power 54μW adaptive analog front-end with adaptive intensity control for an organic PPG sensor in wearable devices

RK Pandey, PCP Chao - 2021 IEEE Sensors, 2021 - ieeexplore.ieee.org
This study presents a low-power analog front-end readout for the organic sensor to sense
the Photoplethysmography (PPG) signal from the radial wrist artery. The system consists of a …

External temperature sensor assisted a new low power photoplethysmography readout system for accurate measurement of the bio-signs

RK Pandey, PCP Chao - Microsystem Technologies, 2021 - Springer
This study presents an external temperature sensor assisted a new low power, time-
interleave, wide dynamic range, and low DC drift photoplethysmography (PPG) signal …

An adaptive analog front end for a flexible PPG sensor patch with self-determined motion related DC drift removal

RK Pandey, PCP Chao - 2021 IEEE International Symposium …, 2021 - ieeexplore.ieee.org
This paper presents, a DC drift compensated (due to motion<; 1Hz), high sensing precision
and wide dynamic range analog front end (AFE) for the organic type PPG sensor. The …

The effect of hydrostatic pressure on martensitic transition and magnetocaloric effect of Mn44. 7Ni43. 5Sn11. 8 ribbons

W Shi, F Chen, J Liu, H Xuan, R Zhang, Q Zhang… - Solid State …, 2020 - Elsevier
The effect of hydrostatic pressure on the martensitic transformation and magnetocaloric
effect has been systematically studied in Mn 44.7 Ni 43.5 Sn 11.8 ribbons. The melt-spun …