MUPA2E: Unified Multimodal Framework for Emotion Assessment from Facial Video and EEG
There’s this new study that introduces a framework called MUPA2E, which stands for Multimodal Unified Perception with Asymmetric Attention for Emotion Assessment. It’s built to analyze both facial videos and EEG signals by using a unique asymmetric-attention approach. The goal is to improve how we automatically assess emotions by combining neural and behavioral data without needing separate processes for each type. In this method, facial videos are encoded with axis-folded frame tokens, while EEG can be used either as raw data or processed into the spatial domain. Tested on the DMER dataset, the best results came from merging video and EEG at a stride of 30. You can find the study on arXiv with the identifier 2608.15999.
Key facts
- MUPA2E is a unified perception framework for emotion assessment.
- It processes facial video and EEG through a single shared asymmetric-attention backbone.
- Facial video is represented via axis-folded frame tokens.
- EEG is processed as raw multichannel waveform or projected into spatial domain.
- Evaluated on DMER dataset under stratified subject-independent protocol.
- Compared unimodal video, unimodal EEG, and fused video-EEG configurations.
- Merged fusion at stride 30 achieved highest validation performance.
- Paper available on arXiv with ID 2608.15999.
Entities
Institutions
- arXiv