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Electroencephalografic (EEG) data are complex multi-dimensional time-series that are very useful in many applications, from diagnostics to driving brain-computer interface systems. Their classification is still a challenging task, due to…

Signal Processing · Electrical Eng. & Systems 2024-07-30 Alberto Zancanaro , Giulia Cisotto , Italo Zoppis , Sara Lucia Manzoni

Electroencephalography (EEG) signals are promising as alternatives to other biometrics owing to their protection against spoofing. Previous studies have focused on capturing individual variability by analyzing task/condition-specific EEG.…

Signal Processing · Electrical Eng. & Systems 2021-03-29 Mari Ganesh Kumar , Shrikanth Narayanan , Mriganka Sur , Hema A Murthy

In order to reduce the muscle artifacts in multi-channel pervasive Electroencephalogram (EEG) signals, we here propose and compare two hybrid algorithms by combining the concept of wavelet packet transform (WPT), empirical mode…

Medical Physics · Physics 2014-10-22 Valentina Bono , Wasifa Jamal , Saptarshi Das , Koushik Maharatna

Decoding natural language from non-invasive electroencephalography (EEG) remains fundamentally limited by low signal-to-noise ratio and restricted information bandwidth. This raises a fundamental question regarding whether sentence-level…

Computation and Language · Computer Science 2026-04-21 Xiaoli Yang , Huiyuan Tian , Yurui Li , Jianyu Zhang , Shijian Li , Gang Pan

In this paper, a new signal model is suggested for parametric representation of the electroencephalogram (EEG) signals. The proposed model which is an amplitude and frequency modulated sinusoidal signal model, has been found to capture the…

Signal Processing · Electrical Eng. & Systems 2018-12-24 Rakesh K. Sharma , Pradip Sircar

Spike-and-wave discharge (SWD) pattern classification in electroencephalography (EEG) signals is a key problem in signal processing. It is particularly important to develop a SWD automatic detection method in long-term EEG recordings since…

Signal Processing · Electrical Eng. & Systems 2020-11-02 Antonio Quintero-Rincón , Valeria Muro , Carlos D'Giano , Jorge Prendes , Hadj Batatia

Electroencephalography (EEG) signals provide critical insights for applications in disease diagnosis and healthcare. However, the scarcity of labeled EEG data poses a significant challenge. Foundation models offer a promising solution by…

Machine Learning · Computer Science 2025-02-25 Limin Wang , Toyotaro Suzumura , Hiroki Kanezashi

Covert speech involves imagining speaking without audible sound or any movements. Decoding covert speech from electroencephalogram (EEG) is challenging due to a limited understanding of neural pronunciation mapping and the low…

Electroencephalography (EEG) is establishing itself as an important, low-cost, noninvasive diagnostic tool for the early detection of Parkinson's Disease (PD). In this context, EEG-based Deep Learning (DL) models have shown promising…

Electroencephalogram (EEG) signals play a crucial role in understanding brain activity and diagnosing neurological diseases. Because supervised EEG encoders are unable to learn robust EEG patterns and rely too heavily on expensive signal…

Machine Learning · Computer Science 2025-09-23 Junhong Lai , Jiyu Wei , Lin Yao , Yueming Wang

Electroencephalogram (EEG) is a common base signal used to monitor brain activity and diagnose sleep disorders. Manual sleep stage scoring is a time-consuming task for sleep experts and is limited by inter-rater reliability. In this paper,…

Signal Processing · Electrical Eng. & Systems 2019-06-19 Sajad Mousavi , Fatemeh Afghah , U. Rajendra Acharya

Accurate and continuous estimation of cognitive workload is fundamental to creating adaptive human-machine systems. However, designing architectures that balance representational capacity with computational efficiency has been challenging…

Signal Processing · Electrical Eng. & Systems 2026-05-20 Stefanos Gkikas , Christian Arzate Cruz , Thomas Kassiotis , Giorgos Giannakakis , Raul Fernandez Rojas , Randy Gomez

Many electroencephalography (EEG) applications rely on channel selection methods to remove the least informative channels, e.g., to reduce the amount of electrodes to be mounted, to decrease the computational load, or to reduce overfitting…

Signal Processing · Electrical Eng. & Systems 2021-06-08 Thomas Strypsteen , Alexander Bertrand

Accurate decoding of EEG signals requires comprehensive modeling of both temporal dynamics within individual channels and spatial dependencies across channels. While Transformer-based models utilizing channel-independence (CI) strategies…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Naimahmed Nesaragi , Hemin Ali Qadir , Per Steiner Halvorsen , Ilangko Balasingham

Electroencephalography provides a non-invasive window into brain activity, offering valuable insights for neurological research, brain-computer interfaces, and clinical diagnostics. However, the development of robust machine learning models…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Chi-Sheng Chen , Ying-Jung Chen , Aidan Hung-Wen Tsai

EEG and audio are inherently distinct modalities, differing in sampling rate, channel structure, and scale. Yet, we show that pretrained neural audio codecs can serve as effective starting points for EEG compression, provided that the data…

Machine Learning · Computer Science 2025-12-01 Ard Kastrati , Luca Lanzendörfer , Riccardo Rigoni , John Staib Matilla , Roger Wattenhofer

Effective control of neural interfaces is limited by poor signal quality. While neural network-based electroencephalography (EEG) denoising methods for electromyogenic (EMG) artifacts have improved in recent years, current state-of-the-art…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Benjamin J. Choi , Griffin Milsap , Clara A. Scholl , Francesco Tenore , Mattson Ogg

Evaluating canine electrocardiograms (ECGs) is challenging due to noise that can obscure clinically relevant cardiac electrical activity. Common sources of interference include respiration, muscle activity, poor lead contact, and external…

Machine Learning · Computer Science 2026-05-19 Jeff Breeding-Allison , Emil Walleser

Electroencephalography (EEG) is a widely used, non-invasive method for capturing brain activity, and is particularly relevant for applications in Brain-Computer Interfaces (BCI). However, collecting high-quality EEG data remains a major…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Henrique de Lima Alexandre , Clodoaldo Aparecido de Moraes Lima

We demonstrate an application of spherical harmonic decomposition to analysis of the human electroencephalogram (EEG). We implement two methods and discuss issues specific to analysis of hemispherical, irregularly sampled data. Performance…

Biological Physics · Physics 2009-11-06 Brett M. Wingeier , Paul L. Nunez , Richard B. Silberstein