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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

Physiological signals such as electrocardiograms (ECG) and electroencephalograms (EEG) provide complementary insights into human health and cognition, yet multi-modal integration is challenging due to limited multi-modal labeled data, and…

Foundation models for structured electronic health records (EHRs) are pretrained on longitudinal sequences of timestamped clinical events to learn adaptable patient representations. Tokenization -- how these timelines are converted into…

Ambulatory electrocardiogram (ECG) readings are prone to mixed noise from physical activities, including baseline wander (BW), muscle artifact (MA), and electrode motion artifact (EM). Developing a method to remove such complex noise and…

Signal Processing · Electrical Eng. & Systems 2026-05-29 Pengxin Li , Yimin Zhou , Jie Min , Yirong Wang , Wei Liang , Qingling Xia , Wang Li

Modeling genomic sequences faces two unsolved challenges: the information density varies widely across different regions, while there is no clearly defined minimum vocabulary unit. Relying on either four primitive bases or independently…

Genomics · Quantitative Biology 2025-11-20 Siyuan Li , Kai Yu , Anna Wang , Zicheng Liu , Chang Yu , Jingbo Zhou , Qirong Yang , Yucheng Guo , Xiaoming Zhang , Stan Z. Li

This study introduces a novel knowledge enhanced tokenisation mechanism, K-Tokeniser, for clinical text processing. Technically, at initialisation stage, K-Tokeniser populates global representations of tokens based on semantic types of…

Computation and Language · Computer Science 2024-06-21 Abul Hasan , Jinge Wu , Quang Ngoc Nguyen , Salomé Andres , Imane Guellil , Huayu Zhang , Arlene Casey , Beatrice Alex , Bruce Guthrie , Honghan Wu

While electroencephalogram (EEG) has been a crucial tool for monitoring the brain and diagnosing neurological disorders (e.g., epilepsy), learning meaningful representations from raw EEG signals remains challenging due to limited…

Machine Learning · Computer Science 2025-09-03 Jia Hong Puah , Sim Kuan Goh , Ziwei Zhang , Zixuan Ye , Chow Khuen Chan , Kheng Seang Lim , Si Lei Fong , Kok Sin Woon , Cuntai Guan

At present, people usually use some methods based on convolutional neural networks (CNNs) for Electroencephalograph (EEG) decoding. However, CNNs have limitations in perceiving global dependencies, which is not adequate for common EEG…

Signal Processing · Electrical Eng. & Systems 2021-06-23 Yonghao Song , Xueyu Jia , Lie Yang , Longhan Xie

Large EEG Foundation Models (FMs) have shown great potential for decoding EEG signals across diverse cognitive tasks. However, existing EEG-FM studies exhibit three critical limitations: opaque supervised baseline tuning, unverified…

Machine Learning · Computer Science 2026-05-28 Xianheng Wang , Yige Yang , Damien Coyle

Electroencephalogram (EEG) signals have attracted significant attention from researchers due to their non-invasive nature and high temporal sensitivity in decoding visual stimuli. However, most recent studies have focused solely on the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Kaifan Zhang , Lihuo He , Xin Jiang , Wen Lu , Di Wang , Xinbo Gao

In this work, we present a novel direction to build an image tokenizer directly on top of a frozen vision foundation model, which is a largely underexplored area. Specifically, we employ a frozen vision foundation model as the encoder of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Anlin Zheng , Xin Wen , Xuanyang Zhang , Chuofan Ma , Tiancai Wang , Gang Yu , Xiangyu Zhang , Xiaojuan Qi

DNA language models have advanced genomics, but their downstream performance varies widely due to differences in tokenization, pretraining data, and architecture. We argue that a major bottleneck lies in tokenizing sparse and unevenly…

Genomics · Quantitative Biology 2025-12-23 Xiaoxiao Zhou , Zihan Wang , Jingbo Shang , Yang E. Li

How to best develop foundational models for time series forecasting remains an important open question. Tokenization is a crucial consideration in this effort: what is an effective discrete vocabulary for a real-valued sequential input? To…

Automated analysis of electroencephalography (EEG) has recently undergone a paradigm shift. The introduction of transformer architectures and self-supervised pretraining (SSL) has led to the development of EEG foundation models. These…

Neurons and Cognition · Quantitative Biology 2026-02-04 Hannah Portmann , Yosuke Morishima

Scalp electroencephalography (EEG) and intracranial EEG (iEEG) are vital for epilepsy diagnosis and treatment. Their unified analysis offers the potential to harness the complementary strengths of each modality but is challenging due to…

Neurons and Cognition · Quantitative Biology 2025-06-23 Runkai Zhang , Hua Yu , John Q. Gan , Haixian Wang

Electroencephalography (EEG) denoising methods typically depend on manual intervention or clean reference signals. This work introduces a task-oriented learning framework for automatic EEG denoising that uses only task labels without clean…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Tian-Yu Xiang , Zheng Lei , Xiao-Hu Zhou , Xiao-Liang Xie , Shi-Qi Liu , Mei-Jiang Gui , Hong-Yun Ou , Xin-Zheng Huang , Xin-Yi Fu , Zeng-Guang Hou

Foundation models pre-trained through masked reconstruction on large-scale EEG data have emerged as a promising paradigm for learning generalizable neural representations across diverse brain-computer interface applications. However, a…

Artificial Intelligence · Computer Science 2026-05-19 Yang Shao , Peiliang Gong , Qun Dai , Daoqiang Zhang

Electroencephalography (EEG) analysis stands at the forefront of neuroscience and artificial intelligence research, where foundation models are reshaping the traditional EEG analysis paradigm by leveraging their powerful representational…

Human-Computer Interaction · Computer Science 2025-08-25 Hongqi Li , Yitong Chen , Yujuan Wang , Weihang Ni , Haodong Zhang

Electroencephalography (EEG) serves as an essential diagnostic tool in neurology; however, its accurate manual interpretation is a time-intensive process that demands highly specialized expertise, which remains relatively scarce and not…

Quantitative Methods · Quantitative Biology 2025-03-14 Ruggero G. Bettinardi , Mohamed Rahmouni , Ulysse Gimenez

Machine learning (ML) methods have the potential to automate clinical EEG analysis. They can be categorized into feature-based (with handcrafted features), and end-to-end approaches (with learned features). Previous studies on EEG pathology…