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Related papers: Improved Touchless Respiratory Rate Sensing

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In this study, we make non-invasive, remote, passive measurements of the heart beat frequency and determine the map of blood pulsation intensity in a region of interest (ROI) of skin. The ROI used was the forearm of a volunteer. The method…

Medical Physics · Physics 2016-11-14 Pedro Henrique de M. Borges , George C. Cardoso

This study proposes a data fusion method for multiradar systems to enable measurement of the respiration of multiple people located at arbitrary positions. Using the proposed method, the individual respiration rates of multiple people can…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Shunsuke Iwata , Takato Koda , Takuya Sakamoto

In recent years, due to the widespread use of internet videos, remote photoplethysmography (rPPG) has gained more and more attention in the fields of affective computing. Restoring blood volume pulse (BVP) signals from facial videos is a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Kegang Wang , Yantao Wei , Jiankai Tang , Yuntao Wang , Mingwen Tong , Jie Gao , Yujian Ma , Zhongjin Zhao

This paper aims at presenting the basic functionality of a radar platform for real-time monitoring of displacement and vibration. The real time capabilities make the radar platform useful when live monitoring of targets is required. The…

Signal Processing · Electrical Eng. & Systems 2018-11-15 Mihai Tudose , Andrei Anghel , Remus Cacoveanu , Mihai Datcu

Vital sign monitoring plays a critical role in healthcare and well-being, as parameters such as respiration and heart rate offer valuable insights into an individual's physiological state. While wearable devices allow for continuous…

Signal Processing · Electrical Eng. & Systems 2025-09-15 Christian Eckrich , Abdelhak M. Zoubir , Vahid Jamali

The travelling-wave MRI approach is an alternative to overcome the B1 inhomogeneity at UHF MRI for human applications. More recently, this concept has been also used with animal MR imagers. We used a parallel-plate waveguide and a…

Medical Physics · Physics 2018-03-15 F. Vazquez , S. E. Solis-Najera , J. Lazovic , L. M. Zopf , R. Martin , L. Medina , O. Marrufo , A. O. Rodriguez

Heart rate is an important physiological indicator of human health status. Existing remote heart rate measurement methods typically involve facial detection followed by signal extraction from the region of interest (ROI). These SOTA methods…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Jie Wang , Jing Lian , Minjie Ma , Junqiang Lei , Chunbiao Li , Bin Li , Jizhao Liu

Camera-based physiological measurement is a fast growing field of computer vision. Remote photoplethysmography (rPPG) utilizes imaging devices (e.g., cameras) to measure the peripheral blood volume pulse (BVP) via photoplethysmography, and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Xin Liu , Girish Narayanswamy , Akshay Paruchuri , Xiaoyu Zhang , Jiankai Tang , Yuzhe Zhang , Soumyadip Sengupta , Shwetak Patel , Yuntao Wang , Daniel McDuff

We present a new integrated, portable device to provide a convenient solution for remote monitoring heart rate at the fingertip and body temperature using Ethernet technology and widely spreading internet. Now a days, heart related disease…

Other Computer Science · Computer Science 2016-11-15 Mohammad Ashekur Rahman , Atanu Barai , Md. Asadul Islam , M. M. A Hashem

Breathing monitoring is crucial in healthcare for early detection of health issues, but traditional methods face challenges like invasiveness, privacy concerns, and limited applicability in daily settings. This paper introduces light…

Image and Video Processing · Electrical Eng. & Systems 2024-04-18 Omar Rinchi , Ahmad Alsharoa , Denise A. Baker

Current virtual reality (VR) training simulators of liver punctures often rely on static 3D patient data and use an unrealistic (sinusoidal) periodic animation of the respiratory movement. Existing methods for the animation of breathing…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Andre Mastmeyer , Matthias Wilms , Heinz Handels

This study proposes an accurate method to estimate human body orientation using a millimeter-wave radar system. Body displacement is measured from the phase of the radar echo, which is analyzed to obtain features associated with the…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Wenxu Sun , Shunsuke Iwata , Yuji Tanaka , Takuya Sakamoto

Remote photoplethysmography (rPPG) allows for the contactless estimation of physiological signals from facial videos by analyzing subtle skin color changes. However, rPPG signals are extremely susceptible to illumination changes, motion,…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 Arpan Bairagi , Rakesh Dey , Siladittya Manna , Umapada Pal

Magnetic Resonance Fingerprinting (MRF) is a method to extract quantitative tissue properties such as T1 and T2 relaxation rates from arbitrary pulse sequences using conventional magnetic resonance imaging hardware. MRF pulse sequences have…

Remote photoplethysmography (rPPG) based physiological measurement has great application values in affective computing, non-contact health monitoring, telehealth monitoring, etc, which has become increasingly important especially during the…

Human-Computer Interaction · Computer Science 2022-06-22 Yuhang Dong , Gongping Yang , Yilong Yin

This study presents the progress of our recent research regarding wireless measurements of the human body. First, we explain radar imaging algorithms for screening passengers at security checkpoints that can process data faster than…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Takuya Sakamoto

Remote physiological measurements, e.g., remote photoplethysmography (rPPG) based heart rate (HR), heart rate variability (HRV) and respiration frequency (RF) measuring, are playing more and more important roles under the application…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Xuesong Niu , Zitong Yu , Hu Han , Xiaobai Li , Shiguang Shan , Guoying Zhao

Remote photo-plethysmography (rPPG) uses a camera to estimate a person's heart rate (HR). Similar to how heart rate can provide useful information about a person's vital signs, insights about the underlying physio/psychological conditions…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Amogh Gudi , Marian Bittner , Jan van Gemert

An event camera detects per-pixel intensity difference and produces asynchronous event stream with low latency, high dynamic range, and low power consumption. As a trade-off, the event camera has low spatial resolution. We propose an…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 S. Mohammad Mostafavi I. , Jonghyun Choi , Kuk-Jin Yoon

Markerless motion capture using computer vision and human pose estimation (HPE) has the potential to expand access to precise movement analysis. This could greatly benefit rehabilitation by enabling more accurate tracking of outcomes and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 R. James Cotton , Allison DeLillo , Anthony Cimorelli , Kunal Shah , J. D. Peiffer , Shawana Anarwala , Kayan Abdou , Tasos Karakostas