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相关论文: Algorithmic Principles of Camera-based Respiratory…

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Motion estimation for highly dynamic phenomena such as smoke is an open challenge for Computer Vision. Traditional dense motion estimation algorithms have difficulties with non-rigid and large motions, both of which are frequently observed…

计算机视觉与模式识别 · 计算机科学 2016-09-09 Da Chen , Wenbin Li , Peter Hall

This study presents an effective autofocusing approach for synthetic aperture radar imaging of the human body under conditions of respiratory motion. The proposed method suppresses respiratory-motion-induced phase errors by separating radar…

信号处理 · 电气工程与系统科学 2026-01-13 Masaya Kato , Takuya Sakamoto

An experimental testbed has been constructed to assess the capabilities of Light-Wave Sensing, a promising new vitals monitoring approach. A Light-Wave Sensing apparatus utilizes infrared radiation to contactlessly monitor the subtle…

医学物理 · 物理学 2023-11-08 Brenden Martin , Md Zobaer Islam , Carly Gotcher , Tyler Martinez , Sabit Ekin , John F. O'Hara

The use of cameras and computational algorithms for noninvasive, low-cost and scalable measurement of physiological (e.g., cardiac and pulmonary) vital signs is very attractive. However, diverse data representing a range of environments,…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Daniel McDuff , Miah Wander , Xin Liu , Brian L. Hill , Javier Hernandez , Jonathan Lester , Tadas Baltrusaitis

Machine learning models for camera-based physiological measurement can have weak generalization due to a lack of representative training data. Body motion is one of the most significant sources of noise when attempting to recover the subtle…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Akshay Paruchuri , Xin Liu , Yulu Pan , Shwetak Patel , Daniel McDuff , Soumyadip Sengupta

Respiration is a critical vital sign for infants, and continuous respiratory monitoring is particularly important for newborns. However, neonates are sensitive and contact-based sensors present challenges in comfort, hygiene, and skin…

图像与视频处理 · 电气工程与系统科学 2023-07-26 Sai Kumar Reddy Manne , Shaotong Zhu , Sarah Ostadabbas , Michael Wan

Respiratory diseases impose a significant burden on global health, with current diagnostic and management practices primarily reliant on specialist clinical testing. This work aims to develop machine learning-based algorithms to facilitate…

机器学习 · 计算机科学 2024-09-06 Negar Orangi-Fard , Alexandru Bogdan , Hersh Sagreiya

Radio frequency (RF) signals have facilitated the development of non-contact human monitoring tasks, such as vital signs measurement, activity recognition, and user identification. In some specific scenarios, an RF signal analysis framework…

Purpose: Anthropomorphic phantoms can be used in radiotherapy to confirm dose distributions. In this work, a prototype phantom with a deformable chest wall was created based on real human. Methods: A technique similar to 3-dimensional…

医学物理 · 物理学 2021-11-11 Maria Akiki , Fadi Rouphael , Mazen Moussallem

Our aim is to estimate the perspective-effected geometric distortion of a scene from a video feed. In contrast to all previous work we wish to achieve this using from low-level, spatio-temporally local motion features used in commercial…

计算机视觉与模式识别 · 计算机科学 2015-04-22 Ognjen Arandjelovic , Duc-Son Pham , Svetha Venkatesh

Continuum robots are advancing bronchoscopy procedures by accessing complex lung airways and enabling targeted interventions. However, their development is limited by the lack of realistic training and test environments: Real data is…

Visible-light cameras can capture subtle physiological biomarkers without physical contact with the subject. We present the Multi-Site Physiological Monitoring (MSPM) dataset, which is the first dataset collected to support the study of…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Jeremy Speth , Nathan Vance , Benjamin Sporrer , Lu Niu , Patrick Flynn , Adam Czajka

A survey is presented focused on using pose estimation techniques in Emotional recognition using various technologies normal cameras, and depth cameras for real-time, and the potential use of VR and inputs including images, videos, and…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Leina Elansary , Zaki Taha , Walaa Gad

Human motion synthesis is an important problem with applications in graphics, gaming and simulation environments for robotics. Existing methods require accurate motion capture data for training, which is costly to obtain. Instead, we…

计算机视觉与模式识别 · 计算机科学 2022-08-15 Kevin Xie , Tingwu Wang , Umar Iqbal , Yunrong Guo , Sanja Fidler , Florian Shkurti

Contact-free vital sign monitoring, which uses wireless signals for recognizing human vital signs (i.e, breath and heartbeat), is an attractive solution to health and security. However, the subject's body movement and the change in actual…

信号处理 · 电气工程与系统科学 2023-04-24 Yingqi Wang , Zhongqin Wang , J. Andrew Zhang , Haimin Zhang , Min Xu

In this work, a seismocardiogram (SCG) based breathing-state measuring method is proposed for m-health applications. The aim of the proposed framework is to assess the human respiratory system by identifying degree-of-breathings, such as…

信号处理 · 电气工程与系统科学 2024-05-07 Tilendra Choudhary , L. N. Sharma , M. K. Bhuyan , Kangkana Bora

Motivation: In many fMRI studies, respiratory signals are often missing or of poor quality. Therefore, it could be highly beneficial to have a tool to extract respiratory variation (RV) waveforms directly from fMRI data without the need for…

机器学习 · 计算机科学 2024-05-02 Abdoljalil Addeh , Fernando Vega , Rebecca J. Williams , G. Bruce Pike , M. Ethan MacDonald

Heart rate is one of the most vital health metrics which can be utilized to investigate and gain intuitions into various human physiological and psychological information. Estimating heart rate without the constraints of contact-based…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Mohamed Moustafa , Amr Elrasad , Joseph Lemley , Peter Corcoran

Continuous protocols for cardiac magnetic resonance imaging enable sampling of the cardiac anatomy simultaneously resolved into cardiac phases. To avoid respiration artifacts, associated motion during the scan has to be compensated for…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Elisabeth Hoppe , Jens Wetzl , Philipp Roser , Lina Felsner , Alexander Preuhs , Andreas Maier

Egocentric motion capture with a head-mounted body-facing stereo camera is crucial for VR and AR applications but presents significant challenges such as heavy occlusions and limited annotated real-world data. Existing methods rely on…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Andrea Boscolo Camiletto , Jian Wang , Eduardo Alvarado , Rishabh Dabral , Thabo Beeler , Marc Habermann , Christian Theobalt