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Breathing is one of the most important body functions because it provides it with oxygen, which is vital for energy production. In addition, the removal of carbon dioxide actively regulates the acid-base level, which is essential for the…

信号处理 · 电气工程与系统科学 2022-10-18 Janosch Kunczik , Kerstin Hubbermann , Lucas Mösch , Andreas Follmann , Michael Czaplik , Carina Barbosa Pereira

Smartwatches have become popular for monitoring physiological parameters outside clinical settings. Using reflective photoplethysmography (PPG) sensors, such watches can non-invasively estimate heart rate (HR) in everyday environments and…

信号处理 · 电气工程与系统科学 2024-12-24 Manuel Meier , Christian Holz

A photoplethysmography (PPG) is an uncomplicated and inexpensive optical technique widely used in the healthcare domain to extract valuable health-related information, e.g., heart rate variability, blood pressure, and respiration rate. PPG…

Remote measurement of physiological signals from videos is an emerging topic. The topic draws great interests, but the lack of publicly available benchmark databases and a fair validation platform are hindering its further development. For…

计算机视觉与模式识别 · 计算机科学 2020-03-27 Xiaobai Li , Hu Han , Hao Lu , Xuesong Niu , Zitong Yu , Antitza Dantcheva , Guoying Zhao , Shiguang Shan

Subtle periodic signals such as blood volume pulse and respiration can be extracted from RGB video, enabling remote health monitoring at low cost. Advancements in remote pulse estimation -- or remote photoplethysmography (rPPG) -- are…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Jeremy Speth , Nathan Vance , Patrick Flynn , Adam Czajka

This work introduces a novel DeepFake detection framework based on physiological measurement. In particular, we consider information related to the heart rate using remote photoplethysmography (rPPG). rPPG methods analyze video sequences…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Javier Hernandez-Ortega , Ruben Tolosana , Julian Fierrez , Aythami Morales

Heart rate (HR) and heart rate variability (HRV) are important vital signs for human physical and mental health. Recent research has demonstrated that photoplethysmography (PPG) sensors can infer HR and HRV. However, it is difficult to find…

信号处理 · 电气工程与系统科学 2025-05-27 Jingye Xu , Yuntong Zhang , Wei Wang , Mimi Xie , Dakai Zhu

With the emergence of GAN, face forgery technologies have been heavily abused. Achieving accurate face forgery detection is imminent. Inspired by remote photoplethysmography (rPPG) that PPG signal corresponds to the periodic change of skin…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Jiahao Liang , Weihong Deng

Video plethysmographic (vPPG) signals arise from subtle color modulations in reflected light. vPPG signals can be used to monitor vital signs remotely in a noninvasive manner. We have used optical coherence tomography (OCT) imaging to find…

With the ongoing heart problems of the population worldwide, the medical requirements of the people are expected to increase. Electrocardiogram (ECG) is one of the proven to capture the heart response signal to assess the electrical and…

信号处理 · 电气工程与系统科学 2021-09-08 Ayan Chatterjee , Sundar Gopalakrishnan , Martin Gerdes , Santiago Martinez , Nibedita Pahari , Pankaj Khatiwada

In this paper we develop a robust for heart rate (HR) estimation method using face video for challenging scenarios with high variability sources such as head movement, illumination changes, vibration, blur, etc. Our method employs a quality…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Javier Hernandez-Ortega , Shigenori Nagae , Julian Fierrez , Aythami Morales

Remote photoplethysmography (rPPG) is an attractive camera-based health monitoring method that can measure the heart rhythm from facial videos. Many well-established deep-learning models have been reported to measure heart rate (HR) and…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Jialiang Zhuang , Yuheng Chen , Yun Zhang , Xiujuan Zheng

Much of the information of breathing is contained within the photoplethysmography (PPG) signal, through changes in venous blood flow, heart rate and stroke volume. We aim to leverage this fact, by employing a novel deep learning framework…

图像与视频处理 · 电气工程与系统科学 2022-12-27 Harry J. Davies , Danilo P. Mandic

Facial remote photoplethysmography (rPPG) methods estimate physiological signals by modeling subtle color changes on the 3D facial surface over time. However, existing methods fail to explicitly align their receptive fields with the 3D…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Sam Cantrill , David Ahmedt-Aristizabal , Lars Petersson , Hanna Suominen , Mohammad Ali Armin

Remote photoplethysmography (rPPG) based on traditional frame-based cameras often struggles with motion artifacts and limited temporal resolution. To address these limitations, we introduce EMPD (Event-based Multimodal Physiological…

信号处理 · 电气工程与系统科学 2026-03-31 Qian Feng , Pengfei Li , Rongshan Gao , Jiale Xu , Rui Gong , Yidi Li

Many remote photoplethysmography (rPPG) estimation models have achieved promising performance in the training domain but often fail to accurately estimate physiological signals or heart rates (HR) in the target domains. Domain…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Pei-Kai Huang , Tzu-Hsien Chen , Ya-Ting Chan , Kuan-Wen Chen , Chiou-Ting Hsu

Respiratory rate (RR) is a clinical sign representing ventilation. An abnormal change in RR is often the first sign of health deterioration as the body attempts to maintain oxygen delivery to its tissues. There has been a growing interest…

机器学习 · 计算机科学 2021-08-03 Seyed Amir Hossein Aqajari , Rui Cao , Amir Hosein Afandizadeh Zargari , Amir M. Rahmani

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…

We present our work on leveraging low-frame-rate monochrome (blue light) videos of fingertips, captured with an off-the-shelf fingerprint capture device, to extract vital signs and identify users. These videos utilize photoplethysmography…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Olaoluwayimika Olugbenle , Logan Drake , Naveenkumar G. Venkataswamy , Arfina Rahman , Yemi Afolayanka , Masudul Imtiaz , Mahesh K. Banavar

Non-contact estimation of respiratory pattern (RP) and respiration rate (RR) has multiple applications. Existing methods for RP and RR measurement fall into one of the three categories - (i) estimation through nasal air flow measurement,…

计算机视觉与模式识别 · 计算机科学 2017-04-26 A. P. Prathosh , Pragathi Praveena , Lalit K. Mestha , Sanjay Bharadwaj