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Foundation models are reshaping EEG analysis, yet an important problem of EEG tokenization remains a challenge. This paper presents TFM-Tokenizer, a novel tokenization framework that learns a vocabulary of time-frequency motifs from…

机器学习 · 计算机科学 2026-05-15 Jathurshan Pradeepkumar , Xihao Piao , Zheng Chen , Jimeng Sun

While functional magnetic resonance imaging (fMRI) offers valuable insights into brain activity, it is limited by high operational costs and significant infrastructural demands. In contrast, electroencephalography (EEG) provides…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Kristofer Grover Roos , Atsushi Fukuda , Quan Huu Cap

AI is revolutionizing MRI along the acquisition and processing chain. Advanced AI frameworks have been developed to apply AI in various successive tasks, such as image reconstruction, quantitative parameter map estimation, and image…

医学物理 · 物理学 2024-05-02 Dimitrios Karkalousos , Ivana Išgum , Henk A. Marquering , Matthan W. A. Caan

Brain-machine interfaces (BMIs), particularly those based on electroencephalography (EEG), offer promising solutions for assisting individuals with motor disabilities. However, challenges in reliably interpreting EEG signals for specific…

信号处理 · 电气工程与系统科学 2025-04-23 Biplov Paneru , Bipul Thapa , Bishwash Paneru , Sanjog Chhetri Sapkota

The human brain is a large-scale network which function depends on dynamic interactions between spatially-distributed regions. In the rapidly-evolving field of network neuroscience, two yet unresolved challenges are potential breakthroughs.…

神经元与认知 · 定量生物学 2018-01-09 M. Hassan , F. Wendling

Brain-computer interface (BCI) technology utilizing electroencephalography (EEG) marks a transformative innovation, empowering motor-impaired individuals to engage with their environment on equal footing. Despite its promising potential,…

Objective: Decoding visual information from electroencephalography (EEG) is an important problem in neuroscience and brain-computer interface (BCI) research. Existing methods are largely restricted to natural images and categorical…

神经与进化计算 · 计算机科学 2026-04-27 Yongxiang Lian , Yueyang Cang , Pingge Hu , Yuchen He , Li Shi

Electroencephalograph (EEG) is a crucial tool for studying brain activity. Recently, self-supervised learning methods leveraging large unlabeled datasets have emerged as a potential solution to the scarcity of widely available annotated EEG…

Reconstructing visual stimulus images is a significant task in neural decoding, and up to now, most studies consider the functional magnetic resonance imaging (fMRI) as the signal source. However, the fMRI-based image reconstruction methods…

图像与视频处理 · 电气工程与系统科学 2024-03-12 Hongguang Pan , Zhuoyi Li , Yunpeng Fu , Xuebin Qin , Jianchen Hu

Electroencephalography (EEG)-based wearable brain-computer interfaces (BCIs) face challenges due to low signal-to-noise ratio (SNR) and non-stationary neural activity. We introduce in this manuscript a mathematically rigorous framework that…

神经元与认知 · 定量生物学 2025-09-24 Eva Guttmann-Flury , Shan Zhao , Jian Zhao , Mohamad Sawan

Human visual reconstruction aims to reconstruct fine-grained visual stimuli based on subject-provided descriptions and corresponding neural signals. As a widely adopted modality, Electroencephalography (EEG) captures rich visual cognition…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Zhijian Gong , Tianren Yao , Wenjia Dong , Xueyuan Xu

Accurate electroencephalogram (EEG) pattern decoding for specific mental tasks is one of the key steps for the development of brain-computer interface (BCI), which is quite challenging due to the considerably low signal-to-noise ratio of…

信号处理 · 电气工程与系统科学 2020-12-15 Yu Zhang , Tao Zhou , Wei Wu , Hua Xie , Hongru Zhu , Guoxu Zhou , Andrzej Cichocki

The localization of multiple signal sources using sensor arrays has been a long-standing research challenge. While numerous solutions have been developed, signal space methods like MUSIC and ESPRIT have gained widespread popularity. As…

信号处理 · 电气工程与系统科学 2025-01-22 Mehdi Haghshenas , Aamir Mahmood , Mikael Gidlund

Fast and accurate MRI reconstruction is a key concern in modern clinical practice. Recently, numerous Deep-Learning methods have been proposed for MRI reconstruction, however, they usually fail to reconstruct sharp details from the…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Hanhui Yang , Juncheng Li , Lok Ming Lui , Shihui Ying , Jun Shi , Tieyong Zeng

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…

信号处理 · 电气工程与系统科学 2025-02-26 Chi-Sheng Chen , Ying-Jung Chen , Aidan Hung-Wen Tsai

In this article, we present a resource-efficient approach for electrocardiogram (ECG) based heartbeat classification using multi-feature fusion and bidirectional long short-term memory (Bi-LSTM). The dataset comprises five original classes…

机器学习 · 计算机科学 2024-12-16 Reza Nikandish , Jiayu He , Benyamin Haghi

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…

信号处理 · 电气工程与系统科学 2025-08-13 Justin London

Electroencephalography (EEG) is a widely used non-invasive technique for measuring brain activity in brain-computer interface (BCI) applications. Supervised EEG decoding models often struggle to generalize across tasks, subjects, and…

人工智能 · 计算机科学 2026-05-29 Ayse Betul Yuce , Sebastian Stober

Electrical Impedance Tomography (EIT) is a non-invasive medical imaging method that reconstructs electrical conductivity mediums from boundary voltage-current measurements, but its severe ill-posedness renders direct operator learning with…

数值分析 · 数学 2026-01-14 Amit Bhat , Ke Chen , Chunmei Wang

Besides reducing undesired sources (interfering sources and background noise), another important objective of a binaural beamforming algorithm is to preserve the spatial impression of the acoustic scene, which can be achieved by preserving…

音频与语音处理 · 电气工程与系统科学 2020-11-12 Nico Gößling , Elior Hadad , Sharon Gannot , Simon Doclo