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Cardiovascular diseases, including Heart Failure (HF), remain a leading global cause of mortality, often evading early detection. In this context, accessible and effective risk assessment is indispensable. Traditional approaches rely on…

信号处理 · 电气工程与系统科学 2024-03-26 Sergio González , Abel Ko-Chun Yi , Wan-Ting Hsieh , Wei-Chao Chen , Chun-Li Wang , Victor Chien-Chia Wu , Shang-Hung Chang

Heart failure (HF) poses a significant global health challenge, with early detection offering opportunities for improved outcomes. Abnormalities in heart rate (HR), particularly during daily activities, may serve as early indicators of HF…

机器学习 · 计算机科学 2026-01-19 Yaowen Zhang , Libera Fresiello , Peter H. Veltink , Dirk W. Donker , Ying Wang

Heart rate variability (HRV) indices describe properties of interbeat intervals in electrocardiogram (ECG). Usually HRV is measured exclusively in normal sinus rhythm (NSR) excluding any form of paroxysmal rhythm. Atrial fibrillation (AF)…

应用统计 · 统计学 2023-08-28 Nikita Markov , Ilya Kotov , Konstantin Ushenin , Yakov Bozhko

Epilepsy is common neurological diseases, affecting about 0.6-0.8 % of world population. Epileptic patients suffer from chronic unprovoked seizures, which can result in broad spectrum of debilitating medical and social consequences. Since…

定量方法 · 定量生物学 2017-06-13 Sachin S. Talathi

Human health can be critically affected by cardiovascular diseases, such as hypertension, arrhythmias, and stroke. Heart rate and blood pressure are important biometric information for the monitoring of cardiovascular system and early…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Gyutae Hwang , Sang Jun Lee

The severity of atrial fibrillation (AF) can be assessed from intra-operative epicardial measurements (high-resolution electrograms), using metrics such as conduction block (CB) and continuous conduction delay and block (cCDCB). These…

Clinical decision support systems (CDSSs) have been widely utilized to support the decisions made by cardiologists when detecting and classifying arrhythmia from electrocardiograms (ECGs). However, forming a CDSS for the arrhythmia…

信号处理 · 电气工程与系统科学 2023-10-16 Yun Kwan Kim , Minji Lee , Kunwook Jo , Hee Seok Song , Seong-Whan Lee

We propose AFTNet, a novel network-constraint survival analysis method based on the Weibull accelerated failure time (AFT) model solved by a penalized likelihood approach for variable selection and estimation. When using the log-linear…

机器学习 · 统计学 2024-02-29 Claudia Angelini , Daniela De Canditiis , Italia De Feis , Antonella Iuliano

Atrial fibrillation (AF) is a prevalent cardiac arrhythmia often treated with catheter ablation procedures, but procedural outcomes are highly variable. Evaluating and improving ablation efficacy is challenging due to the complex…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Yunsung Chung , Chanho Lim , Ghassan Bidaoui , Christian Massad , Nassir Marrouche , Jihun Hamm

In this paper, we propose a method of human activity recognition with high throughput from raw accelerometer data applying a deep recurrent neural network (DRNN), and investigate various architectures and its combination to find the best…

计算机视觉与模式识别 · 计算机科学 2016-11-14 Masaya Inoue , Sozo Inoue , Takeshi Nishida

A neural network is essentially a high-dimensional complex mapping model by adjusting network weights for feature fitting. However, the spectral bias in network training leads to unbearable training epochs for fitting the high-frequency…

信号处理 · 电气工程与系统科学 2021-06-22 Zhi Zeng , Pengpeng Shi , Fulei Ma , Peihan Qi

Electrocardiography analysis is widely used in various clinical applications and Deep Learning models for classification tasks are currently in the focus of research. Due to their data-driven character, they bear the potential to handle…

信号处理 · 电气工程与系统科学 2023-07-04 Theresa Bender , Philip Gemke , Ennio Idrobo-Avila , Henning Dathe , Dagmar Krefting , Nicolai Spicher

Effective detection of arrhythmia is an important task in the remote monitoring of electrocardiogram (ECG). The traditional ECG recognition depends on the judgment of the clinicians' experience, but the results suffer from the probability…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Yunan Wu , Feng Yang , Ying Liu , Xuefan Zha , Shaofeng Yuan

Conventional model quantization methods use a fixed quantization scheme to different data samples, which ignores the inherent "recognition difficulty" differences between various samples. We propose to feed different data samples with…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Chen Tang , Haoyu Zhai , Kai Ouyang , Zhi Wang , Yifei Zhu , Wenwu Zhu

Photoplethysmography (PPG)-based blood pressure (BP) estimation is a challenging task, particularly on resource-constrained wearable devices. However, fully on-board processing is desirable to ensure user data confidentiality. Recent deep…

Neural networks (NNs) are increasingly employed in safety-critical domains and in environments prone to unreliability (e.g., soft errors), such as on spacecraft. Therefore, it is critical to impart fault tolerance to NN inference.…

分布式、并行与集群计算 · 计算机科学 2021-12-08 Jack Kosaian , K. V. Rashmi

Two-way relaying networks (TWRNs) allow for more bandwidth efficient use of the available spectrum since they allow for simultaneous information exchange between two users with the assistance of an intermediate relay node. However, due to…

信息论 · 计算机科学 2016-11-18 Ali Arshad Nasir , Hani Mehrpouyan , Salman Durrani , Steven D. Blostein , Rodney A. Kennedy

Depression, a common mental disorder, significantly influences individuals and imposes considerable societal impacts. The complexity and heterogeneity of the disorder necessitate prompt and effective detection, which nonetheless, poses a…

声音 · 计算机科学 2023-08-25 Xiao Xu , Yang Wang , Xinru Wei , Fei Wang , Xizhe Zhang

Atrial fibrillation (AF) is a leading cause of stroke and mortality, particularly in elderly patients. Wrist-worn photoplethysmography (PPG) enables non-invasive, continuous rhythm monitoring, yet suffers from significant vulnerability to…

机器学习 · 计算机科学 2025-11-04 Yangyang Zhao , Matti Kaisti , Olli Lahdenoja , Tero Koivisto

Catheter ablation (CA) is a commonly used treatment for persistent atrial fibrillation (AF). Since its medium/long-term success rate remains limited, preoperative prediction of its outcome is gaining clinical interest to optimally select…

信号处理 · 电气工程与系统科学 2024-01-19 P. Escribano , J. Rodenas , M. Garcia , M. A. Arias , V. M. Hidalgo , S. Calero , J. J. Rieta , R. Alcaraz