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Decoding neural activity into human-interpretable representations is a key research direction in brain-computer interfaces (BCIs) and computational neuroscience. Recent progress in machine learning and generative AI has driven growing…

Artificial Intelligence · Computer Science 2025-12-02 Shreya Shukla , Jose Torres , Akshaj Murhekar , Christina Liu , Abhijit Mishra , Jacek Gwizdka , Shounak Roychowdhury

Universal graph pre-training has emerged as a key paradigm in graph representation learning, offering a promising way to train encoders to learn transferable representations from unlabeled graphs and to effectively generalize across a wide…

Machine Learning · Computer Science 2026-02-27 Lianze Shan , Jitao Zhao , Dongxiao He , Yongqi Huang , Zhiyong Feng , Weixiong Zhang

Temporal graph representation learning aims to generate low-dimensional dynamic node embeddings to capture temporal information as well as structural and property information. Current representation learning methods for temporal networks…

Machine Learning · Computer Science 2023-11-08 Hongjiang Chen , Pengfei Jiao , Huijun Tang , Huaming Wu

Understanding the correlation between EEG features and cognitive tasks is crucial for elucidating brain function. Brain activity synchronizes during speaking and listening tasks. However, it is challenging to estimate task-dependent brain…

Neurons and Cognition · Quantitative Biology 2024-10-01 Dai Shimizu , Ko Watanabe , Andreas Dengel

Recent advances in non-invasive EEG technology have broadened its application in emotion recognition, yielding a multitude of related datasets. Yet, deep learning models struggle to generalize across these datasets due to variations in…

Signal Processing · Electrical Eng. & Systems 2024-06-13 Yuan Liao , Yuhong Zhang , Shenghuan Wang , Xiruo Zhang , Yiling Zhang , Wei Chen , Yuzhe Gu , Liya Huang

Dynamic graphs (DG) are often used to describe evolving interactions between nodes in real-world applications. Temporal patterns are a natural feature of DGs and are also key to representation learning. However, existing dynamic GCN models…

Machine Learning · Computer Science 2024-08-07 Ling Wang , Yixiang Huang , Hao Wu

Scene text recognition has attracted particular research interest because it is a very challenging problem and has various applications. The most cutting-edge methods are attentional encoder-decoder frameworks that learn the alignment…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Xiaoxue Chen , Tianwei Wang , Yuanzhi Zhu , Lianwen Jin , Canjie Luo

Graph clustering discovers groups or communities within networks. Deep learning methods such as autoencoders (AE) extract effective clustering and downstream representations but cannot incorporate rich structural information. While Graph…

Machine Learning · Computer Science 2022-04-28 Gayan K. Kulatilleke , Marius Portmann , Shekhar S. Chandra

A deep neural network has been successfully applied to an electroencephalogram (EEG)-based brain-computer interface. However, in most studies, the correlation between EEG channels and inter-region relationships are not well utilized,…

Human-Computer Interaction · Computer Science 2021-12-15 Hyung-Ju Ahn , Dae-Hyeok Lee

Graph neural networks (GNNs) largely rely on the message-passing paradigm, where nodes iteratively aggregate information from their neighbors. Yet, standard message passing neural networks (MPNNs) face well-documented theoretical and…

Machine Learning · Computer Science 2026-05-15 Juan Amboage , Ernst Röell , Patrick Schnider , Bastian Rieck

Variational Autoencoders (VAEs) are powerful in data representation inference, but it cannot learn relations between features with its vanilla form and common variations. The ability to capture relations within data can provide the much…

Machine Learning · Computer Science 2020-07-23 Chen Wang , Chengyuan Deng , Vladimir Ivanov

Electrocardiogram (ECG) arrhythmia classification remains challenging due to signal variability, noise, limited labeled data, and the difficulty in achieving both accuracy and efficiency in models. While self-supervised learning reduces…

Machine Learning · Computer Science 2026-05-14 Mahsa Gazeran , Sayvan Soleymanbaigi , Fatemeh Daneshfar , Amjad Seyedi , Fardin Akhlaghian Tab

Recently, many efforts have been made to explore how the brain processes speech using electroencephalographic (EEG) signals, where deep learning-based approaches were shown to be applicable in this field. In order to decode speech signals…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-24 Qiushi Zhu , Xiaoying Zhao , Jie Zhang , Yu Gu , Chao Weng , Yuchen Hu

Subject-independent EEG emotion recognition is challenged by pronounced inter-subject variability and the difficulty of learning robust representations from short, noisy recordings. To address this, we propose a fusion framework that…

Machine Learning · Computer Science 2026-01-14 Zheng Zhou , Isabella McEvoy , Camilo E. Valderrama

Graph representation learning has emerged as a powerful technique for addressing real-world problems. Various downstream graph learning tasks have benefited from its recent developments, such as node classification, similarity search, and…

Machine Learning · Computer Science 2020-07-03 Jiezhong Qiu , Qibin Chen , Yuxiao Dong , Jing Zhang , Hongxia Yang , Ming Ding , Kuansan Wang , Jie Tang

In this paper, we introduce a graph representation learning architecture for spatial image steganalysis, which is motivated by the assumption that steganographic modifications unavoidably distort the statistical characteristics of the…

Multimedia · Computer Science 2022-08-02 Qiyun Liu , Hanzhou Wu

Contrastive learning has been widely applied to graph representation learning, where the view generators play a vital role in generating effective contrastive samples. Most of the existing contrastive learning methods employ pre-defined…

Machine Learning · Computer Science 2022-01-04 Yihang Yin , Qingzhong Wang , Siyu Huang , Haoyi Xiong , Xiang Zhang

Large scale pretrained models have revolutionized Natural Language Processing (NLP) and Computer Vision (CV), showcasing remarkable cross domain generalization abilities. However, in graph learning, models are typically trained on…

Computation and Language · Computer Science 2025-10-03 Ruyue Liu , Rong Yin , Xiangzhen Bo , Xiaoshuai Hao , Yong Liu , Jinwen Zhong , Can Ma , Weiping Wang

Graph attention networks (GATs) provide one of the best frameworks for learning node representations in relational data; but, existing variants such as Graph Attention Network (GAT) mainly operate on static graphs and rely on implicit…

Machine Learning · Computer Science 2026-04-14 Ami Chopra , Supriya Bordoloi , Shyamanta M. Hazarika

We study self-supervised learning on graphs using contrastive methods. A general scheme of prior methods is to optimize two-view representations of input graphs. In many studies, a single graph-level representation is computed as one of the…

Machine Learning · Computer Science 2021-07-22 Xinyi Xu , Cheng Deng , Yaochen Xie , Shuiwang Ji