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Identifying causal relationships among distinct brain areas, known as effective connectivity, holds key insights into the brain's information processing and cognitive functions. Electroencephalogram (EEG) signals exhibit intricate dynamics…

信号处理 · 电气工程与系统科学 2023-07-20 Peizhen Yang , Xinke Shen , Zongsheng Li , Zixiang Luo , Kexin Lou , Quanying Liu

This paper proposes a framework based on deep convolutional neural networks (CNNs) for automatic heart sound classification using short-segments of individual heart beats. We design a 1D-CNN that directly learns features from raw…

声音 · 计算机科学 2020-04-27 Fuad Noman , Chee-Ming Ting , Sh-Hussain Salleh , Hernando Ombao

Prediction of epilepsy based on electroencephalogram (EEG) signals is a rapidly evolving field. Previous studies have traditionally applied 1D processing to the entire EEG signal. However, we have adopted the Gram Matrix method to transform…

机器学习 · 计算机科学 2025-12-16 Bihao You , Jiping Cui

In this paper, we propose a personalized seizure detection and classification framework that quickly adapts to a specific patient from limited seizure samples. We achieve this by combining two novel paradigms that have recently seen much…

信号处理 · 电气工程与系统科学 2023-03-21 Abdellah Rahmani , Arun Venkitaraman , Pascal Frossard

Previous models for learning entity and relationship embeddings of knowledge graphs such as TransE, TransH, and TransR aim to explore new links based on learned representations. However, these models interpret relationships as simple…

机器学习 · 计算机科学 2018-04-02 Feipeng Zhao , Martin Renqiang Min , Chen Shen , Amit Chakraborty

We study the problem of graph structure identification, i.e., of recovering the graph of dependencies among time series. We model these time series data as components of the state of linear stochastic networked dynamical systems. We assume…

机器学习 · 计算机科学 2023-06-29 Sérgio Machado , Anirudh Sridhar , Paulo Gil , Jorge Henriques , José M. F. Moura , Augusto Santos

Electroencephalogram (EEG) is an important diagnostic test that physicians use to record brain activity and detect seizures by monitoring the signals. There have been several attempts to detect seizures and abnormalities in EEG signals with…

机器学习 · 计算机科学 2022-03-22 Kwanhyung Lee , Hyewon Jeong , Seyun Kim , Donghwa Yang , Hoon-Chul Kang , Edward Choi

For about 10 years, detecting the presence of a secret message hidden in an image was performed with an Ensemble Classifier trained with Rich features. In recent years, studies such as Xu et al. have indicated that well-designed…

计算机视觉与模式识别 · 计算机科学 2018-03-02 Mehdi Yedroudj , Frederic Comby , Marc Chaumont

Speech Emotion Recognition (SER) is a fundamental task to predict the emotion label from speech data. Recent works mostly focus on using convolutional neural networks~(CNNs) to learn local attention map on fixed-scale feature representation…

声音 · 计算机科学 2022-04-13 Wenjing Zhu , Xiang Li

Sudden cardiac death and arrhythmia account for a large percentage of all deaths worldwide. Electrocardiography (ECG) is the most widely used screening tool for cardiovascular diseases. Traditionally, ECG signals are classified manually,…

信号处理 · 电气工程与系统科学 2022-06-16 Li Xiaolin , Fang Xiang , Rajesh C. Panicker , Barry Cardiff , Deepu John

Diagnosing seizure onset zone (SOZ) is a challenge in neurosurgery, where stereoelectroencephalography (sEEG) serves as a critical technique. In sEEG SOZ identification, the existing studies focus solely on the intra-patient representation…

机器学习 · 计算机科学 2024-12-18 Huachao Yan , Kailing Guo , Shiwei Song , Yihai Dai , Xiaoqiang Wei , Xiaofen Xing , Xiangmin Xu

This paper introduces a generalization of Convolutional Neural Networks (CNNs) to graphs with irregular linkage structures, especially heterogeneous graphs with typed nodes and schemas. We propose a novel spatial convolution operation to…

机器学习 · 计算机科学 2019-07-23 Aravind Sankar , Xinyang Zhang , Kevin Chen-Chuan Chang

We propose a novel Coupled Hidden Markov Model to detect epileptic seizures in multichannel electroencephalography (EEG) data. Our model defines a network of seizure propagation paths to capture both the temporal and spatial evolution of…

信号处理 · 电气工程与系统科学 2018-08-13 Jeff Craley , Emily Johnson , Archana Venkataraman

Epilepsy is one of the most prevalent neurological conditions, where an epileptic seizure is a transient occurrence due to abnormal, excessive and synchronous activity in the brain. Electroencephalogram signals emanating from the brain may…

神经元与认知 · 定量生物学 2023-12-05 Paul Grant , Md Zahidul Islam

We study the application of the factor graph framework for symbol detection on linear inter-symbol interference channels. Cyclic factor graphs have the potential to yield low-complexity symbol detectors, but are suboptimal if the ubiquitous…

信息论 · 计算机科学 2022-08-30 Luca Schmid , Laurent Schmalen

Brain-Computer Interfaces (BCI) based on motor imagery translate mental motor images recognized from the electroencephalogram (EEG) to control commands. EEG patterns of different imagination tasks, e.g. hand and foot movements, are…

信号处理 · 电气工程与系统科学 2021-01-27 Alessandro Bria , Claudio Marrocco , Francesco Tortorella

Dynamic GNNs, which integrate temporal and spatial features in Electroencephalography (EEG) data, have shown great potential in automating seizure detection. However, fully capturing the underlying dynamics necessary to represent brain…

This work aims to develop an end-to-end solution for seizure onset detection. We design the SeizNet, a Convolutional Neural Network for seizure detection. To compare SeizNet with traditional machine learning approach, a baseline classifier…

信号处理 · 电气工程与系统科学 2019-06-25 Mustafa Talha Avcu , Zhuo Zhang , Derrick Wei Shih Chan

Electrocardiography (ECG) signal is a highly applied measurement for individual heart condition, and much effort have been endeavored towards automatic heart arrhythmia diagnosis based on machine learning. However, traditional machine…

信号处理 · 电气工程与系统科学 2021-11-01 Ziyu Liu , Xiang Zhang

Doctors often make diagonostic decisions based on patient's image scans, such as magnetic resonance imaging (MRI), and patient's electronic health records (EHR) such as age, gender, blood pressure and so on. Despite a lot of automatic…

计算机视觉与模式识别 · 计算机科学 2021-12-23 Cheng Jiang , Yihao Chen , Jianbo Chang , Ming Feng , Renzhi Wang , Jianhua Yao