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相关论文: Beat-to-Beat Fetal Heart Rate Analysis Using Porta…

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In this work, we develop a neural network-based method to convert a noisy motion signal generated from segmenting rebinned list-mode cardiac SPECT images, to that of a high-quality surrogate signal, such as those seen from external motion…

图像与视频处理 · 电气工程与系统科学 2022-08-03 Akshay Iyer , Clifford Lindsay , Hendrik Pretorius , Michael King

Smartwatches or fitness trackers have garnered a lot of popularity as potential health tracking devices due to their affordable and longitudinal monitoring capabilities. To further widen their health tracking capabilities, in recent years…

Cardiac digital twins (CDTs) of human cardiac electrophysiology (EP) are digital replicas of patient hearts that match like-for-like clinical observations. The electrocardiogram (ECG), as the most prevalent non-invasive observation of…

医学物理 · 物理学 2024-07-26 Elena Zappon , Matthias A. F. Gsell , Karli Gillette , Gernot Plank

The refractory period and conduction delay of the atrioventricular (AV) node play a crucial role in regulating the heart rate during atrial fibrillation (AF). Beat-to-beat variations in these properties are known to be induced by the…

组织与器官 · 定量生物学 2025-06-25 Mattias Karlsson , Felix Plappert , Pyotr G Platonov , Sten Östenson , Mikael Wallman , Frida Sandberg

Pulse wave analysis is an important method used to gather information about the cardiovascular system. Instead of detecting the pulse wave via pressure sensors, bioimpedance measurements can be performed to acquire minuscule changes in the…

医学物理 · 物理学 2019-02-26 Roman Kusche , Paula Klimach , Martin Ryschka

This study proposes a method to determine the filter parameters required for the topology method, which is a radar-based noncontact method for measurement of heart inter-beat intervals. The effectiveness of the proposed method is evaluated…

信号处理 · 电气工程与系统科学 2023-07-20 Itsuki Iwata , Takuya Sakamoto , Takuya Matsumoto , Satoshi Hirata

The recent pandemic has refocused the medical world's attention on the diagnostic techniques associated with cardiovascular disease. Heart rate provides a real-time snapshot of cardiovascular health. A more precise heart rate reading…

信号处理 · 电气工程与系统科学 2023-06-23 Rafid Umayer Murshed , Md. Abrar Istiak , Md. Toufiqur Rahman , Zulqarnain B Ashraf , Md Saheed Ullah , Mohammad Saquib

Fetal health classification is a critical task in obstetrics, enabling early identification and management of potential health problems. However, it remains challenging due to data complexity and limited labeled samples. This research paper…

机器学习 · 计算机科学 2024-09-09 Sujith K Mandala

With the soaring adoption of in-ear wearables, the research community has started investigating suitable in-ear heart rate (HR) detection systems. HR is a key physiological marker of cardiovascular health and physical fitness. Continuous…

人机交互 · 计算机科学 2023-04-25 Kayla-Jade Butkow , Ting Dang , Andrea Ferlini , Dong Ma , Cecilia Mascolo

The HeartBert model is introduced with three primary objectives: reducing the need for labeled data, minimizing computational resources, and simultaneously improving performance in machine learning systems that analyze Electrocardiogram…

信号处理 · 电气工程与系统科学 2026-04-29 Saedeh Tahery , Fatemeh Hamid Akhlaghi , Termeh Amirsoleimani

The prime purpose of this project is to develop a portable cardiac abnormality monitoring device which can drastically improvise the quality of the monitoring and the overall safety of the device. While a generic, low cost, wearable battery…

神经与进化计算 · 计算机科学 2023-04-18 Prof Sangeetha R G , Kishore Anand K , Sreevatsan B , Vishal Kumar A

Non-invasive fetal electrocardiogram (FECG) is used to monitor the electrical pulse of the fetal heart. Decomposing the FECG signal from maternal ECG (MECG) is a blind source separation problem, which is hard due to the low amplitude of…

信号处理 · 电气工程与系统科学 2021-02-11 Mohammad Reza Mohebbian , Seyed Shahim Vedaei , Khan A. Wahid , Anh Dinh , Hamid Reza Marateb , Kouhyar Tavakolian

Atrial fibrillation (AF) is a common arrhythmia and major risk factor for cardiovascular complications. While commercially available devices and supporting Artificial Intelligence (AI) algorithms exist for reliable detection of AF, the…

硬件体系结构 · 计算机科学 2025-08-20 Dominik Loroch , Johannes Feldmann , Vladimir Rybalkin , Norbert Wehn

Accurate fetal birth weight prediction is a cornerstone of prenatal care, yet traditional methods often rely on imaging technologies that remain inaccessible in resource-limited settings. This study presents a novel machine learning-based…

Today's diagnostics include devices such as pulse oximeters, blood pressure monitors, and temperature measurements. These devices provide vital information to medical personnel when making treatment decisions. Drawing inspiration from the…

图像与视频处理 · 电气工程与系统科学 2022-08-26 Akhil Kallepalli , David B James , Mark A Richardson

We investigate the use of musically structured, closed-loop vibration patterns as a passive biofeedback intervention for relaxation and sleep initiation. By encoding rhythmic meter structures into smartwatch vibrations and adapting their…

人机交互 · 计算机科学 2025-07-04 Jueun Lee , Dennis Moschina , Supraja Ramesh , Tobias Röddiger , Kai Kunze , Michael Beigl

We have developed an optical simulator to test optical two-way time-frequency transfer (O-TWTFT) at the femtosecond level capable of simulating relative motion between two linked optical clock nodes up to Mach 1.8 with no moving parts. The…

The proposed system consists of a two-stage cascade. The first stage performs a rough heartbeat detection while the second stage refines the previous one, improving the temporal localization and also classifying the heartbeats into types S1…

音频与语音处理 · 电气工程与系统科学 2024-11-06 J. Torre-Cruz , D. Martinez-Munoz , N. Ruiz-Reyes , A. J. Munoz-Montoro , M. Puentes-Chiachio , F. J. Canadas-Quesada

The morphology and velocity of the pulse wave in the arteries provide meaningful information about the cardiovascular system. Nowadays, the pulse wave is usually acquired using common blood pressure cuffs at the extremities. This work…

医学物理 · 物理学 2019-03-01 Roman Kusche , Turner Adornetto , Paula Klimach , Martin Ryschka

Bladder pressure monitoring systems are increasingly vital in diagnosing and managing urinary tract dysfunction. Existing solutions rely heavily on hand-crafted features and shallow classifiers, limiting their adaptability to complex signal…

信号处理 · 电气工程与系统科学 2025-09-30 Chengwei Zhou , Steve Majerus , Gourav Datta