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This paper introduces a novel numerical method for the inverse problem of electroencephalography(EEG). We pose the inverse EEG problem as an optimal control (OC) problem for Poisson's equation. The optimality conditions lead to a…

数值分析 · 数学 2022-04-15 M. S. Malovichko , N. B. Yavich , A. M. Razorenova , N. A. Koshev

Exploring brain activity in relation to visual perception provides insights into the biological representation of the world. While functional magnetic resonance imaging (fMRI) and magnetoencephalography (MEG) have enabled effective image…

多媒体 · 计算机科学 2025-12-17 Shuqi Zhu , Ziyi Ye , Qingyao Ai , Yiqun Liu

Developing foundation models for electroencephalography (EEG) remains challenging due to the signal's low signal-to-noise ratio and complex spectro-temporal non-stationarity. Existing approaches often overlook the hierarchical latent…

信号处理 · 电气工程与系统科学 2026-02-20 Mingzhe Cui , Tao Chen , Yang Jiao , Yiqin Wang , Lei Xie , Yi Pan , Luca Mainardi

Electroencephalography (EEG) data present unique modeling challenges because recordings vary in length, exhibit very low signal to noise ratios, differ significantly across participants, drift over time within sessions, and are rarely…

信号处理 · 电气工程与系统科学 2026-01-05 Shahar Ain Kedem , Itamar Zimerman , Eliya Nachmani

Premise. Patterns of electrical brain activity recorded via electroencephalography (EEG) offer immense value for scientific and clinical investigations. The inability of supervised EEG encoders to learn robust EEG patterns and their…

信号处理 · 电气工程与系统科学 2025-12-25 Gayal Kuruppu , Neeraj Wagh , Vaclav Kremen , Sandipan Pati , Gregory Worrell , Yogatheesan Varatharajah

Regularized inversion methods for image reconstruction are used widely due to their tractability and ability to combine complex physical sensor models with useful regularity criteria. Such methods motivated the recently developed…

计算机视觉与模式识别 · 计算机科学 2018-06-14 Gregery T. Buzzard , Stanley H. Chan , Suhas Sreehari , Charles A. Bouman

Auditory attention decoding (AAD) algorithms decode the auditory attention from electroencephalography (EEG) signals that capture the listener's neural activity. Such AAD methods are believed to be an important ingredient towards so-called…

信号处理 · 电气工程与系统科学 2021-02-02 Simon Geirnaert , Tom Francart , Alexander Bertrand

We perform a comprehensive analysis of the symmetry-resolved (SR) entanglement entropy (EE) for one single interval in the ground state of a $1+1$D conformal field theory (CFT), that is invariant under an arbitrary finite or compact Lie…

高能物理 - 理论 · 物理学 2023-12-07 Yuya Kusuki , Sara Murciano , Hirosi Ooguri , Sridip Pal

Electroencephalography (EEG) is a non-invasive technique for recording brain electrical activity, widely used in brain-computer interface (BCI) and healthcare. Recent EEG foundation models trained on large-scale datasets have shown improved…

机器学习 · 计算机科学 2025-09-29 Yi Ding , Muyun Jiang , Weibang Jiang , Shuailei Zhang , Xinliang Zhou , Chenyu Liu , Shanglin Li , Yong Li , Cuntai Guan

Usually, hearing impaired people use hearing aids which are implemented with speech enhancement algorithms. Estimation of speech and estimation of nose are the components in single channel speech enhancement system. The main objective of…

声音 · 计算机科学 2014-11-10 M. Ravichandra Kumar , B. Ravi Teja

EEG is the most common signal source for noninvasive BCI applications. For such applications, the EEG signal needs to be decoded and translated into appropriate actions. A recently emerging EEG decoding approach is deep learning with…

信号处理 · 电气工程与系统科学 2019-01-25 Felix A. Heilmeyer , Robin T. Schirrmeister , Lukas D. J. Fiederer , Martin Völker , Joos Behncke , Tonio Ball

We present a Conformer-based end-to-end neural diarization (EEND) model that uses both acoustic input and features derived from an automatic speech recognition (ASR) model. Two categories of features are explored: features derived directly…

计算与语言 · 计算机科学 2022-07-13 Aparna Khare , Eunjung Han , Yuguang Yang , Andreas Stolcke

Large language models (LLMs) excel in question-answering (QA) tasks, and retrieval-augmented generation (RAG) enhances their precision by incorporating external evidence from diverse sources like web pages, databases, and knowledge graphs.…

信息检索 · 计算机科学 2025-04-10 Yikuan Xia , Jiazun Chen , Yirui Zhan , Suifeng Zhao , Weipeng Jiang , Chaorui Zhang , Wei Han , Bo Bai , Jun Gao

We present a new dataset and benchmark with the goal of advancing research in the intersection of brain activities and eye movements. Our dataset, EEGEyeNet, consists of simultaneous Electroencephalography (EEG) and Eye-tracking (ET)…

信号处理 · 电气工程与系统科学 2021-11-11 Ard Kastrati , Martyna Beata Płomecka , Damián Pascual , Lukas Wolf , Victor Gillioz , Roger Wattenhofer , Nicolas Langer

Automatic speech recognition (ASR) models are frequently exposed to data distribution shifts in many real-world scenarios, leading to erroneous predictions. To tackle this issue, an existing test-time adaptation (TTA) method has recently…

音频与语音处理 · 电气工程与系统科学 2023-06-22 Changhun Kim , Joonhyung Park , Hajin Shim , Eunho Yang

Preterm newborns undergo various stresses that may materialize as learning problems at school-age. Sleep staging of the Electroencephalogram (EEG), followed by prediction of their brain-age from these sleep states can quantify deviations…

机器学习 · 统计学 2018-09-20 Kirubin Pillay , Maarten De Vos

The effect of the relative entropy asymmetry is analyzed in the empirical risk minimization with relative entropy regularization (ERM-RER) problem. A novel regularization is introduced, coined Type-II regularization, that allows for…

信息论 · 计算机科学 2023-06-13 Francisco Daunas , Iñaki Esnaola , Samir M. Perlaza , H. Vincent Poor

Reliable retrieval-augmented generation (RAG) systems depend fundamentally on the retriever's ability to find relevant information. We show that neural retrievers used in RAG systems have blind spots, which we define as the failure to…

信息检索 · 计算机科学 2026-02-11 Zeinab Sadat Taghavi , Ali Modarressi , Hinrich Schutze , Andreas Marfurt

Inverse problems often involve matching observational data using a physical model that takes a large number of parameters as input. These problems tend to be under-constrained and require regularization to impose additional structure on the…

计算物理 · 物理学 2019-06-07 Daniel O'Malley , John K. Golden , Velimir V. Vesselinov

Electroencephalogram (EEG) monitoring and objective seizure identification is an essential clinical investigation for some patients with epilepsy. Accurate annotation is done through a time-consuming process by EEG specialists.…

医学物理 · 物理学 2021-04-22 Yikai Yang , Nhan Duy Truong , Christina Maher , Armin Nikpour , Omid Kavehei