Preprint
Aug 2026
Heterogeneous Vision-Language Ensemble with Disagreement-Aware Reranking for Text-Based Person Anomaly Retrieval
The GENAI4E team's solution to AI City Challenge 2026 Track 4 builds upon a strong retrieval backbone and progressively integrates heterogeneous vision-language embedding models through score alignment and iterative ensemble fusion, followed by disagreement-aware VLM reranking for ambiguous queries.
Huu-An Vu, Cam Tu Nguyen Thi, Thanh Toan Le Ngo et al.
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