Group Resonance Network: Learnable Prototypes and Multi-Subject Resonance for EEG Emotion Recognition
cs.LG
Submitted: 2026-03-11
Updated: 2026-08-30
Comments: 12 pages, 4 figures, accepted by International Conference on Artificial Neural Networks (ICANN), 2026
Code: https://github.com/xiaolu666113/Group-Resonance-Network
License: http://creativecommons.org/licenses/by/4.0/
The gist: Electroencephalography (EEG)-based emotion recognition remains challenging in cross-subject settings due to severe inter-subject variability.
Terminology
Abstract
Electroencephalography (EEG)-based emotion recognition remains challenging in cross-subject settings due to severe inter-subject variability. Existing methods mainly learn subject-invariant features, but often under-exploit stimulus-locked group regularities shared across subjects. To address this issue, we propose the Group Resonance Network (GRN), which integrates individual EEG dynamics with offline group resonance modeling. GRN contains three components: an individual encoder for band-wise EEG features, a set of learnable group prototypes for prototype-induced resonance, and a multi-subject resonance branch that encodes PLV/coherence-based synchrony with a small reference set. A resonance-aware fusion module combines individual and group-level representations for final classification. Experiments on SEED and DEAP under both subject-dependent and leave-one-subject-out protocols show that GRN consistently outperforms competitive baselines, while additional analyses confirm the effects of prototype learning, PLV/coherence resonance, and leakage-safe reference construction.
Sources
- Unsupervised Learning of Visual Features by Contrasting Cluster Assignments
- Prototypical Networks for Few-shot Learning
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