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Tokenization is associated with many poorly understood shortcomings in language models (LMs), yet remains an important component for long sequence scaling purposes. This work studies how tokenization impacts model performance by analyzing…

Computation and Language · Computer Science 2025-04-15 Buu Phan , Brandon Amos , Itai Gat , Marton Havasi , Matthew Muckley , Karen Ullrich

To handle the scarcity and heterogeneity of electroencephalography (EEG) data for Brain-Computer Interface (BCI) tasks, and to harness the power of large publicly available data sets, we propose Neuro-GPT, a foundation model consisting of…

Machine Learning · Computer Science 2024-03-05 Wenhui Cui , Woojae Jeong , Philipp Thölke , Takfarinas Medani , Karim Jerbi , Anand A. Joshi , Richard M. Leahy

In recent decades, neural network based methods have significantly improved the performace of speech enhancement. Most of them estimate time-frequency (T-F) representation of target speech directly or indirectly, then resynthesize waveform…

Sound · Computer Science 2020-02-06 Jingdong Li , Hui Zhang , Xueliang Zhang , Changliang Li

Electroencephalogram (EEG) signals generally exhibit low signal-to-noise ratio (SNR) and high inter-subject variability, making generalization across subjects and domains challenging. Recent advances in deep learning, particularly…

Machine Learning · Computer Science 2026-04-08 Jiazhen Hong , Geoffrey Mackellar , Soheila Ghane

Existing time series tokenization methods predominantly encode a constant number of samples into individual tokens. This inflexible approach can generate excessive tokens for even simple patterns like extended constant values, resulting in…

Machine Learning · Computer Science 2026-01-29 Leon Götz , Marcel Kollovieh , Stephan Günnemann , Leo Schwinn

Electroencephalography (EEG) signals reflect activities on certain brain areas. Effective classification of time-varying EEG signals is still challenging. First, EEG signal processing and feature engineering are time-consuming and highly…

Human-Computer Interaction · Computer Science 2019-08-27 Xiang Zhang , Lina Yao , Xianzhi Wang , Wenjie Zhang , Shuai Zhang , Yunhao Liu

In this work, we explore the largely unexplored direction of building a generalist image tokenizer directly on top of a frozen vision foundation model (VFM). To build this tokenizer, we utilize a frozen VFM as the encoder and introduce two…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Anlin Zheng , Qi Han , Xin Wen , Chuofan Ma , Lanxi Gong , Gang Yu , Xiangyu Zhang , Xiaojuan Qi

Recent advancements in audio language models have underscored the pivotal role of audio tokenization, which converts audio signals into discrete tokens, thereby facilitating the application of language model architectures to the audio…

Electroencephalography signals (EEGs) contain rich multi-scale information crucial for understanding brain states, with potential applications in diagnosing and advancing the drug development landscape. However, extracting meaningful…

Machine Learning · Computer Science 2025-09-26 D. Darankoum , C. Habermacher , J. Volle , S. Grudinin

Accurate epileptic seizure prediction from electroencephalography (EEG) remains challenging because pre-ictal dynamics may span long time horizons while clinically relevant signatures can be subtle and transient. Many deep learning models…

Machine Learning · Computer Science 2026-01-21 Tien-Dat Pham , Xuan-The Tran

High-fidelity EEG generation is critical for alleviating data scarcity and addressing privacy constraints in large-scale neural modeling. Despite recent progress, most existing approaches formulate EEG generation via discrete denoising…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yifan Wang , Yijia Ma , Wen Li , Chenyu You

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…

Visual stimuli reconstruction from EEG remains challenging due to fidelity loss and representation shift. We propose CognitionCapturerPro, an enhanced framework that integrates EEG with multi-modal priors (images, text, depth, and edges)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Kaifan Zhang , Lihuo He , Junjie Ke , Yuqi Ji , Lukun Wu , Lizi Wang , Xinbo Gao

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…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Kristofer Grover Roos , Atsushi Fukuda , Quan Huu Cap

To address the issue of limited channels and insufficient information collection in portable EEG devices, this study explores an EEG virtual channel signal generation network using a novel spatio-temporal feature fusion strategy. Based on…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Shangqing Yuan , Wenshuang Zhai , Shengwen Guo

Towards practical applications of Electroencephalography (EEG), lightweight acquisition devices garner significant attention. However, EEG channel selection methods are commonly data-sensitive and cannot establish a unified sound paradigm…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Dongdong Li , Zhongliang Zeng , Zhe Wang , Hai Yang

This work studies the problem of time series analysis with generalist (or foundation) models, which are models trained across many data domains. Drawing inspiration from the widespread success of large language models, we consider the…

Machine Learning · Computer Science 2025-01-03 Sabera Talukder , Yisong Yue , Georgia Gkioxari

Electroencephalography (EEG), with its broad range of applications, necessitates models that can generalize effectively across various tasks and datasets. Large EEG Models (LEMs) address this by pretraining encoder-centric architectures on…

Machine Learning · Computer Science 2025-09-29 Chenyu Liu , Yuqiu Deng , Tianyu Liu , Jinan Zhou , Xinliang Zhou , Ziyu Jia , Yi Ding

Significant training is required to visually interpret neonatal EEG signals. This study explores alternative sound-based methods for EEG interpretation which are designed to allow for intuitive and quick differentiation between healthy…

Neurons and Cognition · Quantitative Biology 2018-06-11 Sergi Gomez , Mark O'Sullivan , Emanuel Popovici , Sean Mathieson , Geraldine Boylan , Andriy Temko

Current electroencephalogram (EEG) decoding models are typically trained on small numbers of subjects performing a single task. Here, we introduce a large-scale, code-submission-based competition comprising two challenges. First, the…