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Remote Photoplethysmography (rPPG) enables convenient non-contact physiological measurement. Existing Self-Supervised Learning (SSL) methods commonly fall into a correlation trap: they tend to learn the most dominant periodic signals in the…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Zhiyi Niu , Xiaoguang Tu , Bo Zhao , Junzhe Cao , Dan Guo , Zitong Yu

Smart watches and other wearable devices are equipped with photoplethysmography (PPG) sensors for monitoring heart rate and other aspects of cardiovascular health. However, PPG signals collected from such devices are susceptible to…

信号处理 · 电气工程与系统科学 2023-07-12 Pranay Jain , Cheng Ding , Cynthia Rudin , Xiao Hu

Manipulated videos often contain subtle inconsistencies between their visual and audio signals. We propose a video forensics method, based on anomaly detection, that can identify these inconsistencies, and that can be trained solely using…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Chao Feng , Ziyang Chen , Andrew Owens

Hypertension is a potentially unsafe health ailment, which can be indicated directly from the Blood pressure (BP). Hypertension always leads to other health complications. Continuous monitoring of BP is very important; however, cuff-based…

In recent years, considerable progress has been made in the non-contact based detection of the respiration rate from video sequences. Common techniques either directly assess the movement of the chest due to breathing or are based on…

图像与视频处理 · 电气工程与系统科学 2019-06-20 Fabian Schrumpf , Christoph Moench , Gerold Bausch , Mirco Fuchs

Photoplethysmography (PPG) sensors allow for non-invasive and comfortable heart-rate (HR) monitoring, suitable for compact wrist-worn devices. Unfortunately, Motion Artifacts (MAs) severely impact the monitoring accuracy, causing high…

Recent developments in cardiovascular modelling allow us to simulate blood flow in an entire human body. Such model can also be used to create databases of virtual subjects, with sizes limited only by computational resources. In this work,…

医学物理 · 物理学 2020-07-01 Janne M. J. Huttunen , Leo Kärkkäinen , Harri Lindholm

Facial-video based Remote photoplethysmography (rPPG) aims at measuring physiological signals and monitoring heart activity without any contact, showing significant potential in various applications. Previous deep learning based rPPG…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Chaoqi Luo , Yiping Xie , Zitong Yu

Remote photoplethysmography (rPPG), enabling non-contact physiological monitoring through facial light reflection analysis, faces critical computational bottlenecks as deep learning introduces performance gains at the cost of prohibitive…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Kegang Wang , Jiankai Tang , Yuxuan Fan , Jiatong Ji , Yuanchun Shi , Yuntao Wang

Photoplethysmography (PPG) devices are widely used for monitoring cardiovascular function. However, these devices require skin contact, which restrict their use to at-rest short-term monitoring using single-point measurements.…

In recent years, research about monitoring vital signs by smartphones grows significantly. There are some special sensors like Electrocardiogram (ECG) and Photoplethysmographic (PPG) to detect heart rate (HR) and respiration rate (RR).…

图像与视频处理 · 电气工程与系统科学 2021-06-08 Jafar Pourbemany , Almabrok Essa , Ye Zhu

Background: Photoplethysmography (PPG), increasingly available through wearable devices, provides a non-invasive means of monitoring human hemodynamics. In this study, we introduce artificial intelligence-derived photoplethysmography…

信号处理 · 电气工程与系统科学 2025-09-26 Guangkun Nie , Qinghao Zhao , Gongzheng Tang , Yaxin Li , Shenda Hong

Photoplethysmographic (PPG) signals offer diagnostic potential beyond heart rate analysis or blood oxygen level monitoring. In the recent past, research focused extensively on non-invasive PPG-based approaches to blood pressure (BP)…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Fabian Schrumpf , Paul Rudi Serdack , Mirco Fuchs

In recent years, deep learning methods have shown impressive results for camera-based remote physiological signal estimation, clearly surpassing traditional methods. However, the performance and generalization ability of Deep Neural…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Joaquim Comas , Antonia Alomar , Adria Ruiz , Federico Sukno

Recent work has shown that a person's sympathetic arousal can be estimated from facial videos alone using basic signal processing. This opens up new possibilities in the field of telehealth and stress management, providing a non-invasive…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Björn Braun , Daniel McDuff , Tadas Baltrusaitis , Paul Streli , Max Moebus , Christian Holz

Continuous photoplethysmography (PPG)-based blood pressure monitoring is necessary for healthcare and fitness applications. In Artificial Intelligence (AI), signal classification levels with the machine and deep learning arrangements need…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Nida Nasir , Mustafa Sameer , Feras Barneih , Omar Alshaltone , Muneeb Ahmed

Remote detection of the cardiac pulse has a number of applications in sports and medicine, and can be used to determine the physiological state of the subject. Previous approaches to estimate Heart Rate from video require the subject to…

图像与视频处理 · 电气工程与系统科学 2019-01-03 Arvind Subramaniam , Rajitha K

Photoplethysmogram (PPG) signals are easily contaminated by motion artifacts in real-world settings, despite their widespread use in Internet-of-Things (IoT) based wearable and smart health devices for cardiovascular health monitoring. This…

信号处理 · 电气工程与系统科学 2023-10-11 Yali Zheng , Chen Wu , Peizheng Cai , Zhiqiang Zhong , Hongda Huang , Yuqi Jiang

Hypertension is a medical condition characterized by high blood pressure, and classifying it into its various stages is crucial to managing the disease. In this project, a novel method is proposed for classifying stages of hypertension…

机器学习 · 计算机科学 2023-04-17 Graham Frederick , Yaswant T , Brintha Therese A

Photoplethysmography (PPG) is a method of detecting variation in blood volume commonly through contact with the skin and involving the usage of one or multiple sensors. PPG is typically used in health-related fields and one of its most…

医学物理 · 物理学 2021-08-24 Jiesheng He , Wei Wu