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Facial recognition has become a widely used method for authentication and identification, with applications for secure access and locating missing persons. Its success is largely attributed to deep learning, which leverages large datasets…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Pedro Vidal , Bernardo Biesseck , Luiz E. L. Coelho , Roger Granada , David Menotti

We present a lightweight neural model for remote heart rate estimation focused on the efficient spatio-temporal learning of facial photoplethysmography (PPG) based on i) modelling of PPG dynamics by combinations of multiple convolutional…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Joaquim Comas , Adria Ruiz , Federico Sukno

The creation of altered and manipulated faces has become more common due to the improvement of DeepFake generation methods. Simultaneously, we have seen detection models' development for differentiating between a manipulated and original…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Sowmen Das , Selim Seferbekov , Arup Datta , Md. Saiful Islam , Md. Ruhul Amin

Multimode fiber~(MMF) imaging using deep learning has high potential to produce compact, minimally invasive endoscopic systems. Nevertheless, it relies on large, diverse real-world medical data, whose availability is limited by privacy…

光学 · 物理学 2025-11-25 Jawaria Maqbool , M. Imran Cheema

Remote photoplethysmography (rPPG) has been widely applied to measure heart rate from face videos. To increase the generalizability of the algorithms, domain generalization (DG) attracted increasing attention in rPPG. However, when rPPG is…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Jiyao Wang , Hao Lu , Ange Wang , Xiao Yang , Yingcong Chen , Dengbo He , Kaishun Wu

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

Recognizing pain in video is crucial for improving patient-computer interaction systems, yet traditional data collection in this domain raises significant ethical and logistical challenges. This study introduces a novel approach that…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Jonas Nasimzada , Jens Kleesiek , Ken Herrmann , Alina Roitberg , Constantin Seibold

Remote Photoplethysmography (rPPG) enables non-contact physiological signal extraction from facial videos, offering applications in psychological state analysis, medical assistance, and anti-face spoofing. However, challenges such as motion…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Zhixin Yan , Yan Zhong , Hongbin Xu , Wenjun Zhang , Shangru Yi , Lin Shu , Wenxiong Kang

Biometric authentication prospered because of its convenient use and security. Early generations of biometric mechanisms suffer from spoofing attacks. Recently, unobservable physiological signals (e.g., Electroencephalogram,…

密码学与安全 · 计算机科学 2024-01-29 Lin Li , Chao Chen , Lei Pan , Leo Yu Zhang , Zhifeng Wang , Jun Zhang , Yang Xiang

Diabetes is a prevalent chronic condition that compromises the health of millions of people worldwide. Minimally invasive methods are needed to prevent and control diabetes but most devices for measuring glucose levels are invasive and not…

Human health can be critically affected by cardiovascular diseases, such as hypertension, arrhythmias, and stroke. Heart rate and blood pressure are important biometric information for the monitoring of cardiovascular system and early…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Gyutae Hwang , Sang Jun Lee

We propose an end-to-end framework to measure people's vital signs including Heart Rate (HR), Heart Rate Variability (HRV), Oxygen Saturation (SpO2) and Blood Pressure (BP) based on the rPPG methodology from the video of a user's face…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Donghao Qiao , Amtul Haq Ayesha , Farhana Zulkernine , Raihan Masroor , Nauman Jaffar

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

Remote photoplethysmography (rPPG) is a promising technology that consists of contactless measuring of cardiac activity from facial videos. Most recent approaches utilize convolutional networks with limited temporal modeling capability or…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Marko Savic , Guoying Zhao

Synthesizing realistic medical images provides a feasible solution to the shortage of training data in deep learning based medical image recognition systems. However, the quality control of synthetic images for data augmentation purposes is…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Jiarong Ye , Yuan Xue , L. Rodney Long , Sameer Antani , Zhiyun Xue , Keith Cheng , Xiaolei Huang

Objective- Heart rate monitoring using wrist type Photoplethysmographic (PPG) signals is getting popularity because of construction simplicity and low cost of wearable devices. The task becomes very difficult due to the presence of various…

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

Deep learning approaches require enough training samples to perform well, but it is a challenge to collect enough real training data and label them manually. In this letter, we propose the use of realistic synthetic data with a wide…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Weixing Liu , Jun Liu , Bin Luo

Photoplethysmography (PPG) refers to the measurement of variations in blood volume using light and is a feature of most wearable devices. The PPG signals provide insight into the body's circulatory system and can be employed to extract…

信号处理 · 电气工程与系统科学 2024-01-17 Yuyang Miao , Harry J. Davies , Danilo P. Mandic

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