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Accurate interpretation of electrocardiogram (ECG) signals is crucial for diagnosing cardiovascular diseases. Recent multimodal approaches that integrate ECGs with accompanying clinical reports show strong potential, but they still face two…

Artificial Intelligence · Computer Science 2026-02-25 Ziwei Niu , Hao Sun , Shujun Bian , Xihong Yang , Lanfen Lin , Yuxin Liu , Yueming Jin

Electrocardiogram (ECG) interpretation requires specialized expertise, often involving synthesizing insights from ECG signals with complex clinical queries posed in natural language. The scarcity of labeled ECG data coupled with the diverse…

Machine Learning · Computer Science 2025-05-09 Jialu Tang , Tong Xia , Yuan Lu , Cecilia Mascolo , Aaqib Saeed

Monitoring of electrocardiogram (ECG) provides vital information as well as any cardiovascular anomalies. Recent advances in the technology of wearable electronics have enabled compact devices to acquire personal physiological signals in…

Signal Processing · Electrical Eng. & Systems 2022-07-26 Sadaf Sarafan , Hoang Vuong , Daniel Jilani , Samir Malhotra , Michael P. H. Lau , Manoj Vishwanath , Tadesse Ghirmai , Hung Cao

Motor imagery (MI) based EEG represents a frontier in enabling direct neural control of external devices and advancing neural rehabilitation. This study introduces a novel time embedding technique, termed traveling-wave based time…

Neurons and Cognition · Quantitative Biology 2024-08-26 Zhengqing Miao , Meirong Zhao

Electroencephalogram (EEG) classification has been widely used in various medical and engineering applications, where it is important for understanding brain function, diagnosing diseases, and assessing mental health conditions. However,…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Mingzhi Chen , Yiyu Gui , Yuqi Su , Yuesheng Zhu , Guibo Luo , Yuchao Yang

Low-count positron emission tomography (LCPET) imaging can reduce patients' exposure to radiation but often suffers from increased image noise and reduced lesion detectability, necessitating effective denoising techniques. Diffusion models…

Image and Video Processing · Electrical Eng. & Systems 2025-03-24 Yinchi Zhou , Huidong Xie , Menghua Xia , Qiong Liu , Bo Zhou , Tianqi Chen , Jun Hou , Liang Guo , Xinyuan Zheng , Hanzhong Wang , Biao Li , Axel Rominger , Kuangyu Shi , Nicha C. Dvorneka , Chi Liu

Electroencephalography (EEG) has emerged as a cost-effective and efficient tool to support neurologists in the detection of Alzheimer's Disease (AD). However, most existing approaches rely heavily on manual feature engineering or data…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Yihe Wang , Nadia Mammone , Darina Petrovsky , Alexandros T. Tzallas , Francesco C. Morabito , Xiang Zhang

There have been several attempts to quantify the diagnostic distortion caused by algorithms that perform low-dimensional electrocardiogram (ECG) representation. However, there is no universally accepted quantitative measure that allows the…

Signal Processing · Electrical Eng. & Systems 2022-10-04 Péter Kovács , Carl Böck , Thomas Tschoellitsch , Mario Huemer , Jens Meier

Modern datasets often contain high-dimensional features exhibiting complex dependencies. To effectively analyze such data, dimensionality reduction methods rely on estimating the dataset's intrinsic dimension (id) as a measure of its…

Machine Learning · Computer Science 2025-10-21 Dhruv Gupta , Aditya Nagarsekar , Vraj Shah , Sujith Thomas

We introduce a novel framework that integrates Hodge decomposition with Filtered Average Short-Term (FAST) functional connectivity to analyze dynamic functional connectivity (DFC) in EEG signals. This method leverages graph-based topology…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Om Roy , Yashar Moshfeghi , Jason Smith , Agustin Ibanez , Mario A. Parra , Keith M. Smith

Among applications of deep learning (DL) involving low cost sensors, remote image classification involves a physical channel that separates edge sensors and cloud classifiers. Traditional DL models must be divided between an encoder for the…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Siyu Qi , Achintha Wijesinghe , Lahiru D. Chamain , Zhi Ding

In this work, we delve into the EEG classification task in the domain of visual brain decoding via two frameworks, involving two different learning paradigms. Considering the spatio-temporal nature of EEG data, one of our frameworks is…

Human-Computer Interaction · Computer Science 2024-08-12 Akanksha Sharma , Jyoti Nigam , Abhishek Rathore , Arnav Bhavsar

In this work, we present Eformer - Edge enhancement based transformer, a novel architecture that builds an encoder-decoder network using transformer blocks for medical image denoising. Non-overlapping window-based self-attention is used in…

Image and Video Processing · Electrical Eng. & Systems 2021-11-10 Achleshwar Luthra , Harsh Sulakhe , Tanish Mittal , Abhishek Iyer , Santosh Yadav

The demand for realistic virtual immersive audio continues to grow, with Head-Related Transfer Functions (HRTFs) playing a key role. HRTFs capture how sound reaches our ears, reflecting unique anatomical features and enhancing spatial…

Sound · Computer Science 2026-01-26 Xuyi Hu , Jian Li , Lorenzo Picinali , Aidan O. T. Hogg

Cardiovascular diseases (CVDs) remain the leading cause of mortality worldwide, highlighting the critical need for efficient and accurate diagnostic tools. Electrocardiograms (ECGs) are indispensable in diagnosing various heart conditions;…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Lei Kang , Xuanshuo Fu , Javier Vazquez-Corral , Ernest Valveny , Dimosthenis Karatzas

Objective: A novel structure based on channel-wise attention mechanism is presented in this paper. Embedding with the proposed structure, an efficient classification model that accepts multi-lead electrocardiogram (ECG) as input is…

Signal Processing · Electrical Eng. & Systems 2020-03-27 Hao Tung , Chao Zheng , Xinsheng Mao , Dahong Qian

Electroencephalogram (EEG) recordings are often contaminated with artifacts. Various methods have been developed to eliminate or weaken the influence of artifacts. However, most of them rely on prior experience for analysis. Here, we…

Machine Learning · Computer Science 2022-02-22 Junjie Yu , Chenyi Li , Kexin Lou , Chen Wei , Quanying Liu

Understanding how the human brain encodes and processes external visual stimuli has been a fundamental challenge in neuroscience. With advancements in artificial intelligence, sophisticated visual decoding architectures have achieved…

Human-Computer Interaction · Computer Science 2025-07-22 Jiahua Tang , Song Wang , Jiachen Zou , Chen Wei , Quanying Liu

The automatic classification of medical time series signals, such as electroencephalogram (EEG) and electrocardiogram (ECG), plays a pivotal role in clinical decision support and early detection of diseases. Although Transformer based…

Machine Learning · Computer Science 2025-09-22 Ming Hu , Jianfu Yin , Mingyu Dou , Yuqi Wang , Ruochen Dang , Siyi Liang , Feiyu Zhu , Cong Hu , Yao Wang , Bingliang Hu , Quan Wang

Electrocardiographic signal is a subject to multiple noises, caused by various factors. It is therefore a standard practice to denoise such signal before further analysis. With advances of new branch of machine learning, called deep…

Neural and Evolutionary Computing · Computer Science 2019-01-18 Karol Antczak