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Emotion recognition plays a vital role in enhancing human-computer interaction. In this study, we tackle the MER-SEMI challenge of the MER2025 competition by proposing a novel multimodal emotion recognition framework. To address the issue…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Juewen Hu , Yexin Li , Jiulin Li , Shuo Chen , Pring Wong

Emotional states manifest as coordinated yet heterogeneous physiological responses across central and autonomic systems, posing a fundamental challenge for multimodal representation learning in affective computing. Learning such joint…

Machine Learning · Computer Science 2026-05-26 Deyang Zheng , Tianyi Zhang , Wenming Zheng , Shujian Yu

Utilizing functional near-infrared spectroscopy (fNIRS) signals for emotion recognition is a significant advancement in understanding human emotions. However, due to the lack of artificial intelligence data and algorithms in this field,…

Human-Computer Interaction · Computer Science 2024-09-25 Zhili Lai , Chunmei Qing , Junpeng Tan , Wanxiang Luo , Xiangmin Xu

Background: Although it has been noticed that depressed patients show differences in processing emotions, the precise neural modulation mechanisms of positive and negative emotions remain elusive. FMRI is a cutting-edge medical imaging…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Yu Feng , Weiming Zeng , Yifan Xie , Hongyu Chen , Lei Wang , Yingying Wang , Hongjie Yan , Kaile Zhang , Ran Tao , Wai Ting Siok , Nizhuan Wang

Functional magnetic resonance imaging (fMRI) analysis faces significant challenges due to limited dataset sizes and domain variability between studies. Traditional self-supervised learning methods inspired by computer vision often rely on…

Image and Video Processing · Electrical Eng. & Systems 2025-10-08 Jakub Frac , Alexander Schmatz , Qiang Li , Guido Van Wingen , Shujian Yu

Multimodal representation learning, exemplified by multimodal contrastive learning (MMCL) using image-text pairs, aims to learn powerful representations by aligning cues across modalities. This approach relies on the core assumption that…

Machine Learning · Computer Science 2025-09-29 Yichao Cai , Yuhang Liu , Erdun Gao , Tianjiao Jiang , Zhen Zhang , Anton van den Hengel , Javen Qinfeng Shi

We propose a new framework, called Hierarchical Multi-resolution Mesh Networks (HMMNs), which establishes a set of brain networks at multiple time resolutions of fMRI signal to represent the underlying cognitive process. The suggested…

Neural and Evolutionary Computing · Computer Science 2017-01-13 Itir Onal Ertugrul , Mete Ozay , Fatos Tunay Yarman Vural

We study the problem of inferring substitutable and complementary items, which underpins applications such as alternative and follow-up purchase suggestions. Existing approaches typically learn from behavior-derived item-item associations…

Information Retrieval · Computer Science 2026-05-05 Junting Wang , Chenghuan Guo , Jiao Yang , Yanhui Guo , Hari Sundaram , Yan Gao

Representation learning for images has been advanced by recent progress in more complex neural models such as the Vision Transformers and new learning theories such as the structural causal models. However, these models mainly rely on the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Zitan Chen , Zhuang Qi , Xiao Cao , Xiangxian Li , Xiangxu Meng , Lei Meng

Alzheimer's disease (AD) is an incurable neurodegenerative condition leading to cognitive and functional deterioration. Given the lack of a cure, prompt and precise AD diagnosis is vital, a complex process dependent on multiple factors and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Guangqian Yang , Kangrui Du , Zhihan Yang , Ye Du , Yongping Zheng , Shujun Wang

Resting-state fMRI (rs-fMRI) functional connectivity (FC) analysis provides valuable insights into the relationships between different brain regions and their potential implications for neurological or psychiatric disorders. However,…

Image and Video Processing · Electrical Eng. & Systems 2023-11-20 Xiatian Zhang , Sisi Zheng , Hubert P. H. Shum , Haozheng Zhang , Nan Song , Mingkang Song , Hongxiao Jia

In this work, we propose an innovative framework that integrates EEG, image, and text data, aiming to decode visual neural representations from low signal-to-noise ratio EEG signals. Specifically, we introduce text modality to enhance the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Kaili sun , Xingyu Miao , Bing Zhai , Haoran Duan , Yang Long

The Contrastive Language-Image Pre-training (CLIP) framework has become a widely used approach for multimodal representation learning, particularly in image-text retrieval and clustering. However, its efficacy is constrained by three key…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Tiancheng Gu , Kaicheng Yang , Ziyong Feng , Xingjun Wang , Yanzhao Zhang , Dingkun Long , Yingda Chen , Weidong Cai , Jiankang Deng

Unified Multimodal Models (UMMs) integrate both visual understanding and generation within a single framework. Their ultimate aspiration is to create a cycle where understanding and generation mutually reinforce each other. While recent…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zihan Su , Hongyang Wei , Kangrui Cen , Yong Wang , Guanhua Chen , Chun Yuan , Xiangxiang Chu

Cross-subject EEG-based emotion recognition (EER) remains challenging due to strong inter-subject variability, which induces substantial distribution shifts in EEG signals, as well as the high complexity of emotion-related neural…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Weiwei Wu , Yueyang Li , Yuhu Shi , Weiming Zeng , Lang Qin , Yang Yang , Ke Zhou , Zhiguo Zhang , Wai Ting Siok , Nizhuan Wang

Modern electronic health records (EHRs) hold immense promise in tracking personalized patient health trajectories through sequential deep learning, owing to their extensive breadth, scale, and temporal granularity. Nonetheless, how to…

Diagnosing esophageal motility disorders pose significant challenges due to the complexity of high-resolution impedance manometry (HRIM) data and variability in clinical interpretation. This work explores the feasibility of a multimodal…

Machine Learning · Computer Science 2026-05-14 Alexander Geiger , Lars Wagner , Daniel Rueckert , Alois Knoll , Dirk Wilhelm , Alissa Jell

Accurate extraction of molecular representations is a critical step in the drug discovery process. In recent years, significant progress has been made in molecular representation learning methods, among which multi-modal molecular…

Machine Learning · Computer Science 2025-05-13 Rong Yin , Ruyue Liu , Xiaoshuai Hao , Xingrui Zhou , Yong Liu , Can Ma , Weiping Wang

Automatic emotion recognition has recently gained significant attention due to the growing popularity of deep learning algorithms. One of the primary challenges in emotion recognition is effectively utilizing the various cues (modalities)…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Mijanur Palash , Bharat Bhargava

Electroencephalography (EEG) emotion recognition plays a crucial role in human-computer interaction, particularly in healthcare and neuroscience. While supervised learning has been widely used, its reliance on manual annotations introduces…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Hanqi Wang , Yang Liu , Peng Ye , Liang Song