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Imaging photoplethysmography (iPPG) can be used for heart rate monitoring during driving, which is expected to reduce traffic accidents by continuously assessing drivers' physical condition. Deep learning-based iPPG methods using…

图像与视频处理 · 电气工程与系统科学 2024-11-05 Yuqi Tu , Shakith Fernando , Mark van Gastel

Photoplethysmography (PPG) is a widely used non-invasive physiological sensing technique, suitable for various clinical applications. Such clinical applications are increasingly supported by machine learning methods, raising the question of…

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.…

Wrist-worn smart devices are providing increased insights into human health, behaviour and performance through sophisticated analytics. However, battery life, device cost and sensor performance in the face of movement-related artefact…

信号处理 · 电气工程与系统科学 2020-04-02 Eoin Brophy , Willie Muehlhausen , Alan F. Smeaton , Tomas E. Ward

Vital signs such as pulse rate and breathing rate are currently measured using contact probes. But, non-contact methods for measuring vital signs are desirable both in hospital settings (e.g. in NICU) and for ubiquitous in-situ health…

计算机视觉与模式识别 · 计算机科学 2015-03-25 Mayank Kumar , Ashok Veeraraghavan , Ashutosh Sabharval

Remote photoplethysmography (rPPG), which aims at measuring heart activities without any contact, has great potential in many applications (e.g., remote healthcare). Existing rPPG approaches rely on analyzing very fine details of facial…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Zitong Yu , Wei Peng , Xiaobai Li , Xiaopeng Hong , Guoying Zhao

Remote photoplethysmography (rPPG) enables non-contact, continuous monitoring of physiological signals and offers a practical alternative to traditional health sensing methods. Although rPPG is promising for daily health monitoring, its…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Xulin Ma , Jiankai Tang , Zhang Jiang , Songqin Cheng , Yuanchun Shi , Dong LI , Xin Liu , Daniel McDuff , Xiaojing Liu , Yuntao Wang

Camera-based remote photoplethysmography (rPPG) provides a non-contact way to measure physiological signals (e.g., heart rate) using facial videos. Recent deep learning architectures have improved the accuracy of such physiological…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Yunhao Ba , Zhen Wang , Kerim Doruk Karinca , Oyku Deniz Bozkurt , Achuta Kadambi

Objective: Non-contact physiological measurement is a growing research area that allows capturing vital signs such as heart rate (HR) and breathing rate (BR) comfortably and unobtrusively with remote devices. However, most of the approaches…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Weixuan Chen , Javier Hernandez , Rosalind W. Picard

Infrared (IR) imaging has the potential to enable more robust action recognition systems compared to visible spectrum cameras due to lower sensitivity to lighting conditions and appearance variability. While the action recognition task on…

计算机视觉与模式识别 · 计算机科学 2017-05-19 Zhuolin Jiang , Viktor Rozgic , Sancar Adali

The near-infrared (NIR) spectral range (from 780 to 2500 nm) of the multispectral remote sensing imagery provides vital information for the landcover classification, especially concerning the vegetation assessment. Despite the usefulness of…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Svetlana Illarionova , Dmitrii Shadrin , Alexey Trekin , Vladimir Ignatiev , Ivan Oseledets

We present for the first time a novel method that utilizes the chest movement-modulated radio signals for non-contact acquisition of the photoplethysmography (PPG) signal. Under the proposed method, a software-defined radio (SDR) exposes…

信号处理 · 电气工程与系统科学 2024-02-23 Israel Jesus Santos Filho , Muhammad Mahboob Ur Rahman , Taous-Meriem Laleg-Kirati , Tareq Al-Naffouri

This paper proposes a method for transferring the RGB color spectrum to near-infrared (NIR) images using deep multi-scale convolutional neural networks. A direct and integrated transfer between NIR and RGB pixels is trained. The trained…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Matthias Limmer , Hendrik P. A. Lensch

Benefitting from insensitivity to light and high penetration of foggy environments, infrared cameras are widely used for sensing in nighttime traffic scenes. However, the low contrast and lack of chromaticity of thermal infrared (TIR)…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Fuya Luo , Yunhan Li , Guang Zeng , Peng Peng , Gang Wang , Yongjie Li

The current industry practice for 24-hour outdoor imaging is to use a silicon camera supplemented with near-infrared (NIR) illumination. This will result in color images with poor contrast at daytime and absence of chrominance at nighttime.…

图像与视频处理 · 电气工程与系统科学 2020-05-12 Feifan Lv , Yinqiang Zheng , Yicheng Li , Feng Lu

Recent progress in computational photography has shown that we can acquire near-infrared (NIR) information in addition to the normal visible (RGB) band, with only slight modifications to standard digital cameras. Due to the proximity of the…

计算机视觉与模式识别 · 计算机科学 2014-06-25 Neda Salamati , Diane Larlus , Gabriela Csurka , Sabine Süsstrunk

Remote photoplethysmography (rPPG) holds great promise for continuous heart-rate monitoring of drivers in intelligent vehicles. However, its performance is severely degraded by the highly dynamic illumination changes. A critical yet…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Jieying Wang , Xinqi Cai , Caifeng Shan , Wenjin Wang

Multispectral imaging is an important task of image processing and computer vision, which is especially relevant to applications such as dehazing or object detection. With the development of the RGBT (RGB & Thermal) sensor, the problem of…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Nati Ofir , Jean-Christophe Nebel

Many surveillance cameras switch between daytime and nighttime modes based on illuminance levels. During the day, the camera records ordinary RGB images through an enabled IR-cut filter. At night, the filter is disabled to capture…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Muyao Niu , Zhuoxiao Li , Yifan Zhan , Huy H. Nguyen , Isao Echizen , Yinqiang Zheng

Numerous real-world applications have been driven by the recent algorithmic advancement of artificial intelligence (AI). Healthcare is no exception and AI technologies have great potential to revolutionize the industry. Non-contact…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Xin Liu , Shwetak Patel , Daniel McDuff
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