Results 201 to 210 of about 3,566 (223)

Advances in Pulse Rate Variability (PRV) Monitoring with rPPG: Insights from Unsupervised Methods

AHFE International
Remote photoplethysmography (rPPG) emerges as a non-invasive alternative for pulse and pulse rate variability (PRV) measurement, eliminating the need for direct skin contact.
Marc Escrig Villalonga, Úrsula Martínez - Iranzo, Cristina Herrera Ligero, Alberto Albiol Colomer, Ana De La Torre - García   +4 more
semanticscholar   +1 more source

Cross-Wavelet Time-Frequency Analysis of Low-Signal Multi-Spectral rPPG

International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications
Remote photoplethysmography (rPPG) offers a non-contact approach for monitoring the cardiovascular system, but its effectiveness is significantly degraded when data is acquired from low-quality imaging systems characterized by high noise, low resolution,
Ihor Berezhnyi, Adrian Nakonechnyi
semanticscholar   +1 more source

VitalLens 2.0: High-Fidelity rPPG for Heart Rate Variability Estimation from Face Video

arXiv.org
This report introduces VitalLens 2.0, a new deep learning model for estimating physiological signals from face video. This new model demonstrates a significant leap in accuracy for remote photoplethysmography (rPPG), enabling the robust estimation of not
Philipp V. Rouast
semanticscholar   +1 more source

Optimising rPPG Signal Extraction by Exploiting Facial Surface Orientation

2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2022
Kwan Long Wong, Jing Wei Chin, Tsz Tai Chan, Ismoil Odinaev, Kristian Suhartono, Kang Tianqu, Richard H. Y. So   +6 more
openaire   +1 more source

STC-rPPG: A Remote Heart Rate Estimation Network Based on Spatiotemporal–Channel Feature Collaborative Learning

IEEE Transactions on Instrumentation and Measurement
Remote photoplethysmography (rPPG) measurement has emerged as a prominent technique for heart rate (HR) estimation. However, its accuracy is often affected by information redundancy, illumination variations, and motion artifacts present in raw video ...
Liyuan Lin, Leguang Wang, Yiran Zhang, Xiaoyu Li, Aolin Wen, Jingpeng Yan, Linyuan Shi, Weibin Zhou, Yuan Zhou   +8 more
semanticscholar   +1 more source

Analysis of vital signs using remote photoplethysmography (RPPG)

Journal of Ambient Intelligence and Humanized Computing, 2023
R. Karthick, M. Sheik Dawood, P. Meenalochini   +2 more
openaire   +1 more source

RhythmFormer: Extracting rPPG Signals Based on Hierarchical Temporal Periodic Transformer

arXiv.org
Bochao Zou, Zizheng Guo, Jiansheng Chen, Huimin Ma   +3 more
semanticscholar   +1 more source

RS-rPPG: Robust Self-Supervised Learning for rPPG

2024 IEEE 18th International Conference on Automatic Face and Gesture Recognition (FG)
Zhao Guoying, Savic Marko
openaire   +1 more source

Weakly Supervised rPPG Estimation for Respiratory Rate Estimation

2021 IEEE/CVF International Conference on Computer Vision Workshops (ICCVW), 2021
Jingda Du, Si-Qi Liu, Bochao Zhang, Pong C. Yuen   +3 more
openaire   +1 more source

An image enhancement based method for improving rPPG extraction under low-light illumination

Biomedical Signal Processing and Control
Shutao Chen, K. Wong, Tze Tai Chan, Ya Wang, R. So, J. Chin   +5 more
semanticscholar   +1 more source