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Real-time EEG-based Emotion Recognition (EEG-ER) with consumer-grade EEG devices involves classification of emotions using a reduced number of channels. These devices typically provide only four or five channels, unlike the high number of…

Machine Learning · Computer Science 2021-11-15 Josef Bajada , Francesco Borg Bonello

Reconstructing visual stimuli from EEG signals is a crucial step in realizing brain-computer interfaces. In this paper, we propose a transformer-based EEG signal encoder integrating the Discrete Wavelet Transform (DWT) and the gating…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Enshang Zhang , Zhicheng Zhang , Takashi Hanakawa

In universal environment, a patient-friendly inexpensive method is needed to realize the early diagnosis of depression, which is believed to be an effective way to reduce the mortality of depression. The purpose of this study is only to…

Signal Processing · Electrical Eng. & Systems 2020-02-28 Qiuxia Shi , Ang Liu , Rongyan Chen , Jian Shen , Qinglin Zhao , Bin Hu

The aim of this project is to develop a new wireless powered wearable ECG monitoring device. The main goal of the project is to provide a wireless, small-sized ECG monitoring device that can be worn for a long period of time by the…

Signal Processing · Electrical Eng. & Systems 2025-07-24 Ruihua Wang , Mingtong Chen , Zhengbao Yang

The perception of color is an important cognitive feature of the human brain. The variety of colors that impinge upon the human eye can trigger changes in brain activity which can be captured using electroencephalography (EEG). In this…

Machine Learning · Computer Science 2020-10-22 Mahima Chaudhary , Sumona Mukhopadhyay , Marin Litoiu , Lauren E Sergio , Meaghan S Adams

Attention deficit hyperactivity disorder (ADHD) is one of the common neurodevelopmental disorders in children. This paper presents an automated approach for ADHD detection using the proposed entropy difference (EnD)- based encephalogram…

Signal Processing · Electrical Eng. & Systems 2024-04-16 Shishir Maheshwari , Kandala N V P S Rajesh , Vivek Kanhangad , U Rajendra Acharya , T Sunil Kumar

Directed acyclic graphs (DAGs) are directed graphs in which there is no path from a vertex to itself. DAGs are an omnipresent data structure in computer science and the problem of counting the DAGs of given number of vertices and to sample…

Discrete Mathematics · Computer Science 2025-10-03 Martin Pépin , Alfredo Viola

Electrocardiograms (ECGs) are among the most widely used diagnostic tools for cardiovascular diseases, and a large amount of ECG data worldwide appears only in image form. However, most existing automated ECG analysis methods rely on access…

Machine Learning · Computer Science 2026-04-03 Hung Manh Pham , Jialu Tang , Aaqib Saeed , Dong Ma , Bin Zhu , Pan Zhou

Electroencephalography (EEG)-based emotion recognition plays a critical role in affective computing and emerging decision-support systems, yet remains challenging due to high-dimensional, noisy, and subject-dependent signals. This study…

Machine Learning · Computer Science 2026-02-09 S M Rakib UI Karim , Wenyi Lu , Diponkor Bala , Rownak Ara Rasul , Sean Goggins

In the design of brain-computer interface systems, classification of Electroencephalogram (EEG) signals is the essential part and a challenging task. Recently, as the marginalized discrete wavelet transform (mDWT) representations can reveal…

Machine Learning · Computer Science 2020-02-04 Zhanyu Ma

Magnetoencephalography (MEG) is a noninvasive method for measuring magnetic flux signals caused by brain activity using sensor arrays located on or above the scalp. A common strategy for monitoring brain activity is to place sensors on a…

Medical Physics · Physics 2022-05-24 Wan-Jin Yeo , Samu Taulu , J. Nathan Kutz

The feed-forward relationship naturally observed in time-dependent processes and in a diverse number of real systems -such as some food-webs and electronic and neural wiring- can be described in terms of so-called directed acyclic graphs…

Physics and Society · Physics 2015-05-19 Joaquín Goñi , Bernat Corominas-Murtra , Ricard V. Solé , Carlos Rodríguez-Caso

Biomedical signal processing extract meaningful information from physiological signals like electrocardiograms (ECGs), electroencephalograms (EEGs), and electromyograms (EMGs) to diagnose, monitor, and treat medical conditions and diseases…

Signal Processing · Electrical Eng. & Systems 2025-08-13 Justin London

Clinical electroencephalography is routinely used to evaluate patients with diverse and often overlapping neurological conditions, yet interpretation remains manual, time-intensive, and variable across experts. While automated EEG analysis…

Human-Computer Interaction · Computer Science 2025-12-30 Argha Kamal Samanta , Deepak Mewada , Monalisa Sarma , Debasis Samanta

Brain-computer interface systems and the recording of brain activity has garnered significant attention across a diverse spectrum of applications. EEG signals have emerged as a modality for recording neural electrical activity. Among the…

Signal Processing · Electrical Eng. & Systems 2024-05-03 M. Moein Esfahani , Hossein Sadati , Vince D Calhoun

Electrocardiogram (ECG) is a widely used reliable, non-invasive approach for cardiovascular disease diagnosis. With the rapid growth of ECG examinations and the insufficiency of cardiologists, accurate and automatic diagnosis of ECG signals…

Machine Learning · Computer Science 2020-10-21 Dongdong Zhang , Xiaohui Yuan , Ping Zhang

EEG is a non-invasive, safe, and low-risk method to record electrophysiological signals inside the brain. Especially with recent technology developments like dry electrodes, consumer-grade EEG devices, and rapid advances in machine…

Machine Learning · Computer Science 2025-06-23 Tri Duc Ly , Gia H. Ngo

The classification of electrocardiogram (ECG) plays a crucial role in the development of an automatic cardiovascular diagnostic system. However, considerable variances in ECG signals between individuals is a significant challenge. Changes…

Signal Processing · Electrical Eng. & Systems 2023-06-08 Md Niaz Imtiaz , Naimul Khan

Electroencephalograph (EEG) emotion recognition is a significant task in the brain-computer interface field. Although many deep learning methods are proposed recently, it is still challenging to make full use of the information contained in…

Machine Learning · Computer Science 2021-01-15 Guowen Xiao , Mengwen Ye , Bowen Xu , Zhendi Chen , Quansheng Ren

Cognitive load, the amount of mental effort required for task completion, plays an important role in performance and decision-making outcomes, making its classification and analysis essential in various sensitive domains. In this paper, we…

Machine Learning · Computer Science 2023-08-02 Dustin Pulver , Prithila Angkan , Paul Hungler , Ali Etemad