Author

Hai-Dang Nguyen

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Preprint Sep 2026

Candidate-Expanding Routing with Permutation-Stabilized Experts for Mixed-Format Medical VQA

Mixed-format medical visual question answering (VQA) requires stable option selection and machine-readable free-text output. The two formats fail differently: multiple-choice predictions can change with option symbols or positions, while clinically plausible open answers can fail automated evaluation when serialization...

Hai-Dang Nguyen, Huy-Hieu Pham · 0 citations

#machine learning Conference Open access Jul 2026

ViFA-Council: Multi-Agent LLM Deliberation for Vietnamese Folk Art Generation

Experiments and a user study demonstrate that structured multi-agent deliberation is a promising direction for improving cultural fidelity and narrative coherence in culturally sensitive, low-resource artistic domains.

Hai-Dang Nguyen, M. Pham, Thao Thi Phuong Dao et al. · International Conference on... · 0 citations