Results 151 to 160 of about 2,649 (198)
MultiPhys: Heterogeneous Fusion of Mamba and Transformer for Video-Based Multi-Task Physiological Measurement. [PDF]
Sensors (Basel)Huo C, Yin P, Fu B.
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Assessment of ROI Selection for Facial Video-Based rPPG [PDF]
Sensors, 2021 In general, facial image-based remote photoplethysmography (rPPG) methods use color-based and patch-based region-of-interest (ROI) selection methods to estimate the blood volume pulse (BVP) and beats per minute (BPM). Anatomically, the thickness of the skin is not uniform in all areas of the face, so the same diffuse reflection information cannot be ...
Dae-Yeol Kim +2 more
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AND-rPPG: A novel denoising-rPPG network for improving remote heart rate estimation
Computers in Biology and Medicine, 2022Heart rate (HR) estimation is an essential physiological parameter in the field of biomedical imaging. Remote Photoplethysmography (r-PPG) is a pathbreaking development in this field wherein the PPG signal is extracted from non-contact face videos. In the COVID-19 pandemic, rPPG plays a vital role for doctors and patients to perform telehealthcare ...
Lokendra Birla
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Mask Attack Detection Using Vascular-Weighted Motion-Robust rPPG Signals
IEEE Transactions on Information Forensics and Security, 2023 Detecting 3D mask attacks to a face recognition system is challenging. Although genuine faces and 3D face masks show significantly different remote photoplethysmography (rPPG) signals, rPPG-based face anti-spoofing methods often suffer from performance degradation due to unstable face alignment in the video sequence and weak rPPG signals.
, Jianfeng Ren, Ruibin Bai
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Exploiting Spatial Redundancy of Image Sensor for Motion Robust rPPG [PDF]
IEEE Transactions on Biomedical Engineering, 2015 Remote photoplethysmography (rPPG) techniques can measure cardiac activity by detecting pulse-induced color variations on human skin using an RGB camera. State-of-the-art rPPG methods are sensitive to subject body motions (e.g., motion-induced color distortions). This study proposes a novel framework to improve the motion robustness of rPPG.
Wenjin Wang +2 more
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Robust Pulse Rate From Chrominance-Based rPPG
IEEE Transactions on Biomedical Engineering, 2013Remote photoplethysmography (rPPG) enables contactless monitoring of the blood volume pulse using a regular camera. Recent research focused on improved motion robustness, but the proposed blind source separation techniques (BSS) in RGB color space show limited success.
Gerard De Haan, Vincent Jeanne
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Proceedings of the 35th Annual ACM Symposium on Applied Computing, 2020
Remote photoplethysmography (rPPG) is a contactless method for heart rate (HR) estimation from face videos. In this paper, we propose to estimate rPPG signals directly from input video sequences in an end-to-end manner. We propose a novel Siamese-rPPG network to simultaneously learn the heterogeneous and homogeneous features from two facial regions ...
Yun-Yun Tsou +3 more
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Remote photoplethysmography (rPPG) is a contactless method for heart rate (HR) estimation from face videos. In this paper, we propose to estimate rPPG signals directly from input video sequences in an end-to-end manner. We propose a novel Siamese-rPPG network to simultaneously learn the heterogeneous and homogeneous features from two facial regions ...
Yun-Yun Tsou +3 more
openaire +1 more source