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Event-related potentials (ERP) are measurements of brain activity with wide applications in basic and clinical neuroscience, that are typically estimated using the average of many trials of electroencephalography signals (EEG) to…

Machine Learning · Computer Science 2025-12-01 Anders Vestergaard Nørskov , Kasper Jørgensen , Alexander Neergaard Zahid , Morten Mørup

Template-based signal detection most often relies on computing a correlation, or a dot product, between an incoming data stream and a signal template. Such a correlation results in an ongoing estimate of the magnitude of the signal in the…

Computational Physics · Physics 2011-07-08 M. Asim Mubeen , Kevin H. Knuth

Electroencephalography (EEG) motor imagery (MI) classification is a fundamental, yet challenging task due to the variation of signals between individuals i.e., inter-subject variability. Previous approaches try to mitigate this using…

Signal Processing · Electrical Eng. & Systems 2024-07-10 Sion An , Myeongkyun Kang , Soopil Kim , Philip Chikontwe , Li Shen , Sang Hyun Park

In this work, we formulate the problem of estimating and selecting task-relevant temporal signal segments from a single EEG trial in the form of a Markov decision process and propose a novel reinforcement-learning mechanism that can be…

Signal Processing · Electrical Eng. & Systems 2020-07-02 Wonjun Ko , Eunjin Jeon , Heung-Il Suk

With stereoscopic displays, a depth sensation that is too strong could impede visual comfort and result in fatigue or pain. Electroencephalography (EEG) is a technology which records brain activity. We used it to develop a novel…

Human-Computer Interaction · Computer Science 2015-05-29 Jérémy Frey , Aurélien Appriou , Fabien Lotte , Martin Hachet

Silent speech decoding, which performs unvocalized human speech recognition from electroencephalography/electromyography (EEG/EMG), increases accessibility for speech-impaired humans. However, data collection is difficult and performed…

Quantitative Methods · Quantitative Biology 2025-06-18 Masakazu Inoue , Motoshige Sato , Kenichi Tomeoka , Nathania Nah , Eri Hatakeyama , Kai Arulkumaran , Ilya Horiguchi , Shuntaro Sasai

The electroencephalography (EEG), which is one of the easiest modes of recording brain activations in a non-invasive manner, is often distorted due to recording artifacts which adversely impacts the stimulus-response analysis. The most…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-30 Jaswanth Reddy Katthi , Sriram Ganapathy

In this study, we propose an ensemble learning framework for electroencephalogram-based overt speech classification, leveraging denoising diffusion probabilistic models with varying convolutional kernel sizes. The ensemble comprises three…

Sound · Computer Science 2024-11-15 Soowon Kim , Ha-Na Jo , Eunyeong Ko

Eye movements can reveal valuable insights into various aspects of human mental processes, physical well-being, and actions. Recently, several datasets have been made available that simultaneously record EEG activity and eye movements. This…

Signal Processing · Electrical Eng. & Systems 2023-08-14 Nina Weng , Martyna Plomecka , Manuel Kaufmann , Ard Kastrati , Roger Wattenhofer , Nicolas Langer

Decoding EEG signals is crucial for unraveling human brain and advancing brain-computer interfaces. Traditional machine learning algorithms have been hindered by the high noise levels and inherent inter-person variations in EEG signals.…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Pengfei Sun , Jorg De Winne , Paul Devos , Dick Botteldooren

Electroencephalography (EEG) plays a crucial role in brain-computer interfaces (BCIs) and neurological diagnostics, but its real-world deployment faces challenges due to noise artifacts, missing data, and high annotation costs. We introduce…

Signal Processing · Electrical Eng. & Systems 2025-10-24 Meghna Roy Chowdhury , Yi Ding , Shreyas Sen

Airwriting recognition is a task that involves identifying letters written in free space using finger movement. It is a special case of gesture recognition, where gestures correspond to letters in a specific language. Electroencephalography…

Human-Computer Interaction · Computer Science 2023-08-08 Ayush Tripathi , Aryan Gupta , A. P. Prathosh , Suriya Prakash Muthukrishnan , Lalan Kumar

This article examined brain signals of people with disabilities using various signal processing methods to achieve the desired accuracy for utilizing brain-computer interfaces (BCI). EEG signals resulted from 5 mental tasks of word…

Human-Computer Interaction · Computer Science 2021-11-02 Fateme Dehrouye-Semnani , Nasrollah Moghada Charkari , Seyed Mohammad Mehdi Mirbagheri

In indoor scenes, reverberation is a crucial factor in degrading the perceived quality and intelligibility of speech. In this work, we propose a generative dereverberation method. Our approach is based on a probabilistic model utilizing a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-18 Pengyu Wang , Xiaofei Li

In recent years, the field of electroencephalography (EEG) analysis has witnessed remarkable advancements, driven by the integration of machine learning and artificial intelligence. This survey aims to encapsulate the latest developments,…

Signal Processing · Electrical Eng. & Systems 2025-01-09 Pengfei Wang , Huanran Zheng , Silong Dai , Yiqiao Wang , Xiaotian Gu , Yuanbin Wu , Xiaoling Wang

Speeding up the spelling in event-related potentials (ERP) based Brain-Computer Interfaces (BCI) requires eliciting strong brain responses in a short span of time, as much as the accurate classification of such evoked potentials remains…

Signal Processing · Electrical Eng. & Systems 2022-11-21 Okba Bekhelifi , Nasr-Eddine Berrached

Brain computer interface based assistive technology are currently promoted for motor rehabilitation of the neuromuscular ailed individuals. Recent studies indicate a high potential of utilising electroencephalography (EEG) to extract motor…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Sutanu Bera , Rinku Roy , Debdeep Sikdar , Manjunatha Mahadevappa

Early management and better clinical outcomes for epileptic patients depend on seizure prediction. The accuracy and false alarm rates of existing systems are often compromised by their dependence on static thresholds and basic…

Signal Processing · Electrical Eng. & Systems 2025-01-29 Mathan Kumar Mounagurusamy , Thiyagarajan V S , Abdur Rahman , Shravan Chandak , D. Balaji , Venkateswara Rao Jallepalli

Classification of motor imagery (MI) using non-invasive electroencephalographic (EEG) signals is a critical objective as it is used to predict the intention of limb movements of a subject. In recent research, convolutional neural network…

Machine Learning · Computer Science 2025-07-03 Taveena Lotey , Prateek Keserwani , Debi Prosad Dogra , Partha Pratim Roy

Human emotions are inherently ambiguous and impure. When designing systems to anticipate human emotions based on speech, the lack of emotional purity must be considered. However, most of the current methods for speech emotion classification…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-13 Shuiyang Mao , P. C. Ching , Tan Lee