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Current studies about motor imagery based rehabilitation training systems for stroke subjects lack an appropriate analytic method, which can achieve a considerable classification accuracy, at the same time detects gradual changes of imagery…

机器学习 · 统计学 2014-09-19 Hao Zhang , Liqing Zhang

Hemispheric strokes impair motor control in contralateral body parts, necessitating effective rehabilitation strategies. Motor Imagery-based Brain-Computer Interfaces (MI-BCIs) promote neuroplasticity, aiding the recovery of motor…

信号处理 · 电气工程与系统科学 2025-01-06 Praveen K. Parashiva , Sagila Gangadaran , A. P. Vinod

Objective: To determine if a realistic, but computationally efficient model of the electrocardiogram can be used to pre-train a deep neural network (DNN) with a wide range of morphologies and abnormalities specific to a given condition -…

机器学习 · 计算机科学 2022-01-03 Ismail Sadiq , Erick A. Perez-Alday , Amit J. Shah , Ali Bahrami Rad , Reza Sameni , Gari D. Clifford

We train and validate a semi-supervised, multi-task LSTM on 57,675 person-weeks of data from off-the-shelf wearable heart rate sensors, showing high accuracy at detecting multiple medical conditions, including diabetes (0.8451), high…

Classifying fine-grained ischemic stroke phenotypes relies on identifying important clinical information. Radiology reports provide relevant information with context to determine such phenotype information. We focus on stroke phenotypes…

计算与语言 · 计算机科学 2020-10-13 Surabhi Datta , Shekhar Khanpara , Roy F. Riascos , Kirk Roberts

X-ray phase-contrast imaging offers enhanced sensitivity for weakly-attenuating materials, such as breast and brain tissue, but has yet to be widely implemented clinically due to high coherence requirements and expensive x-ray optics.…

医学物理 · 物理学 2023-05-04 Serena Qinyun Z. Shi , Nadav Shapira , Peter B. Noël , Sebastian Meyer

In deep neural nets, lower level embedding layers account for a large portion of the total number of parameters. Tikhonov regularization, graph-based regularization, and hard parameter sharing are approaches that introduce explicit biases…

机器学习 · 计算机科学 2020-10-06 Liwei Wu , Shuqing Li , Cho-Jui Hsieh , James Sharpnack

Objective: Electrocardiogram (ECG) signals commonly suffer noise interference, such as baseline wander. High-quality and high-fidelity reconstruction of the ECG signals is of great significance to diagnosing cardiovascular diseases.…

信号处理 · 电气工程与系统科学 2023-01-19 Huayu Li , Gregory Ditzler , Janet Roveda , Ao Li

This paper presents a novel approach to noninvasive hyperglycemia monitoring utilizing electrocardiograms (ECG) from an extensive database comprising 1119 subjects. Previous research on hyperglycemia or glucose detection using ECG has been…

信号处理 · 电气工程与系统科学 2024-03-13 MohammadReza Hosseinzadehketilateh , Banafsheh Adami , Nima Karimian

The adoption of deep learning-based healthcare decision support systems such as the detection of irregular cardiac rhythm is hindered by challenges such as lack of access to quality data and the high costs associated with the collection and…

机器学习 · 计算机科学 2022-05-31 Sagnik Dakshit , Barbara Mukami Maweu , Sristi Dakshit , Balakrishnan Prabhakaran

In this study, hypertension is utilized as an indicator of individual vascular damage. This damage can be identified through machine learning techniques, providing an early risk marker for potential major cardiovascular events and offering…

MRI is increasingly desired to function near electronic devices that emit potentially dynamic electromagnetic interference (EMI). To accommodate for this, we propose the STRIDE method, which improves on previous external-sensor-based EMI…

图像与视频处理 · 电气工程与系统科学 2025-11-25 Alexander Mertens , Diego Martinez , Amgad Louka , Ying Yang , Chad Harris , Ian Connell

Stimulated Emission Depletion (STED) microscopy has emerged as a powerful technique providing visualization of biological structures at the molecular level in living samples. In this technique, the diffraction limit is broken by selectively…

Electrocardiograms (ECGs) are an established technique to screen for abnormal cardiac signals. Recent work has established that it is possible to detect arrhythmia directly from the ECG signal using deep learning algorithms. While a few…

信号处理 · 电气工程与系统科学 2024-11-28 Hyewon Jeong , Suyeol Yun , Hammaad Adam

Videos for outdoor scene often show unpleasant blur effects due to the large relative motion between the camera and the dynamic objects and large depth variations. Existing works typically focus monocular video deblurring. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Liyuan Pan , Yuchao Dai , Miaomiao Liu , Fatih Porikli

In SAR domain many application like classification, detection and segmentation are impaired by speckle. Hence, despeckling of SAR images is the key for scene understanding. Usually despeckling filters face the trade-off of speckle…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Sergio Vitale , Giampaolo Ferraioli , Vito Pascazio

Purpose: Multi-expert deep learning training methods to automatically quantify ischemic brain tissue on Non-Contrast CT Materials and Methods: The data set consisted of 260 Non-Contrast CTs from 233 patients of acute ischemic stroke…

Information extraction from synthetic aperture radar (SAR) images is heavily impaired by speckle noise, hence despeckling is a crucial preliminary step in scene analysis algorithms. The recent success of deep learning envisions a new…

图像与视频处理 · 电气工程与系统科学 2020-07-07 Andrea Bordone Molini , Diego Valsesia , Giulia Fracastoro , Enrico Magli

Learning unknown stochastic differential equations (SDEs) from observed data is a significant and challenging task with applications in various fields. Current approaches often use neural networks to represent drift and diffusion functions,…

机器学习 · 计算机科学 2024-06-21 Aiqing Zhu , Qianxiao Li

Echocardiography (echo) is the first imaging modality used when assessing cardiac function. The measurement of functional biomarkers from echo relies upon the segmentation of cardiac structures and deep learning models have been proposed to…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Iman Islam , Esther Puyol-Antón , Bram Ruijsink , Andrew J. Reader , Andrew P. King