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相关论文: Respiratory Rate Estimation Based on WiFi Frame Ca…

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Respiratory rate is a vital sign indicating various health conditions. Traditional contact-based measurement methods are often uncomfortable, and alternatives like respiratory belts and smartwatches have limitations in cost and operability.…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Muhammad Yahya Ayyashy Mujahidan , Martin Clinton Tosima Manullang

Remote photoplethysmography (rPPG) captures cardiac signals from facial videos and is gaining attention for its diverse applications. While deep learning has advanced rPPG estimation, it relies on large, diverse datasets for effective…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Joaquim Comas , Federico Sukno

Cooperative beamforming (CB) has been proposed as a special case of coordinated multi-point techniques in wireless communications. In wireless sensor networks, CB can enable low power communication by allowing a collection of sensor nodes…

信息论 · 计算机科学 2015-10-29 Spyridon Vassilaras , George C. Alexandropoulos , Antonis A. Kalis

This study proposes a multi-radar system for non-contact physiological sensing across arbitrary body orientations. In integrating signals obtained from different radar viewpoints, we adopt a multivariate variational mode decomposition…

信号处理 · 电气工程与系统科学 2025-10-14 Kimitaka Sumi , Takuya Sakamoto

This paper develops a novel channel estimation approach for multi-user millimeter wave (mmWave) wireless systems with large antenna arrays. By exploiting the inherent mmWave channel sparsity, we propose a novel simultaneous-estimation with…

信息论 · 计算机科学 2017-03-03 Matthew Kokshoorn , He Chen , Yonghui Li , Branka Vucetic

In real-time (RT) cardiac cine imaging, a stack of 2D slices is collected sequentially under free-breathing conditions. A complete heartbeat from each slice is then used for cardiac function quantification. The inter-slice respiratory…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Chong Chen , Yingmin Liu , Orlando P. Simonetti , Rizwan Ahmad

Acquiring accurate external respiratory data during functional Magnetic Resonance Imaging (fMRI) is challenging, prompting the exploration of machine learning methods to estimate respiratory variation (RV) from fMRI data. Respiration…

图像与视频处理 · 电气工程与系统科学 2024-10-29 Abdoljalil Addeh , G. Bruce Pike , M. Ethan MacDonald

Patient respiratory signal associated with the cone beam CT (CBCT) projections is important for lung cancer radiotherapy. In contrast to monitoring an external surrogate of respiration, such signal can be extracted directly from the CBCT…

医学物理 · 物理学 2015-11-23 Hao Yan , Xiaoyu Wang , Wotao Yin , Tinsu Pan , Moiz Ahmad , Xuanqin Mou , Laura Cervino , Xun Jia , Steve B. Jiang

Partially-observed data collected by sampling methods is often being studied to obtain the characteristics of information diffusion networks. However, these methods usually do not consider the behavior of diffusion process. In this paper,…

社会与信息网络 · 计算机科学 2014-05-30 Motahareh Eslami Mehdiabadi , Hamid R. Rabiee , Mostafa Salehi

The development of contactless respiration monitoring for infants could enable advances in the early detection and treatment of breathing irregularities, which are associated with neurodevelopmental impairments and conditions like sudden…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Liyang Song , Hardik Bishnoi , Sai Kumar Reddy Manne , Sarah Ostadabbas , Briana J. Taylor , Michael Wan

ECG-gated cine imaging in breath-hold enables high-quality diagnostics in most patients, arrhythmia and inability to hold breath, however, can severely corrupt outcomes. Real-time cardiac MRI in free-breathing leverages robust and faster…

While machine learning approaches perform well on their training domain, they generally tend to fail in a real-world application. In cardiovascular magnetic resonance imaging (CMR), respiratory motion represents a major challenge in terms…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Amin Ranem , John Kalkhof , Caner Özer , Anirban Mukhopadhyay , Ilkay Oksuz

Heart rate and respiratory rate measurement is a vital step for diagnosing many diseases. Non-contact camera based physiological measurement is more accessible and convenient in Telehealth nowadays than contact instruments such as fingertip…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Yuzhuo Ren , Braeden Syrnyk , Niranjan Avadhanam

In pulse-echo ultrasound, aberration often degrades image quality when beamforming does not account for wavefront distortions. To address this issue, local sound speed estimators have been developed in the past decade for distributed…

Emerging sonography techniques often imply increasing in the number of transducer elements involved in the imaging process. Consequently, larger amounts of data must be acquired and processed by the beamformer. The significant growth in the…

其他计算机科学 · 计算机科学 2012-01-06 Noam Wagner , Yonina C. Eldar , Arie Feuer , Zvi Friedman

The ability to monitor respiratory rate is extremely important for medical treatment, healthcare and fitness sectors. In many situations, mobile methods, which allow users to undertake every day activities, are required. However, current…

计算机视觉与模式识别 · 计算机科学 2017-09-22 Youngjun Cho , Simon J. Julier , Nicolai Marquardt , Nadia Bianchi-Berthouze

The focus of this work is on the analysis of transmit beamforming schemes with a low-rate feedback link in wireless sensor/relay networks, where nodes in the network need to implement beamforming in a distributed manner. Specifically, the…

分布式、并行与集群计算 · 计算机科学 2010-07-14 C. Lin , V. V. Veeravalli , S. Meyn

Site-specific radio frequency (RF) propagation prediction increasingly relies on models built from visual data such as cameras and LIDAR sensors. When operating in dynamic settings, the environment may only be partially observed. This paper…

机器人学 · 计算机科学 2022-07-05 Mingsheng Yin , Yaqi Hu , Tommy Azzino , Seongjoon Kang , Marco Mezzavilla , Sundeep Rangan

Conventional compressed sensing (CS) algorithms typically apply a uniform sampling rate to different image blocks. A more strategic approach could be to allocate the number of measurements adaptively, based on each image block's complexity.…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Yujun Huang , Bin Chen , Naiqi Li , Baoyi An , Shu-Tao Xia , Yaowei Wang

Intelligent reflecting surfaces (IRS) are a key enabler of various new applications in 6G smart radio environments. By utilizing an IRS prototype system, this paper aims to enhance self-interference (SI) cancellation for breath tracking…

信号处理 · 电气工程与系统科学 2023-02-23 Simon Tewes , Markus Heinrichs , Rainer Kronberger , Aydin Sezgin
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