Author

Solomon Owusu-Ansah

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Preprint Oct 2026

StateBridge: Phase- and Track-Grounded Reasoning for Synthetic-to-Real Traffic Video Captioning and VQA

Traffic safety videos provide rich evidence for understanding interactions between pedestrians and vehicles, but synthetic-to-real evaluation makes this setting challenging because models must learn from simulated scenes and generalize to real-world traffic. In this work, we present StateBridge, a traffic video-languag...

Blessing Agyei Kyem, Richard Dzinyela, Joshua Kofi Asamoah et al. · 1 citation

Preprint Oct 2026

Synthetic-to-Real Text-Based Person Anomaly Search via Multi-Model Retrieval Fusion and Cross-Encoder Reranking

Text-based person anomaly search requires a model to retrieve individuals from a large image gallery using natural-language descriptions of both appearance and behavior. This task is challenging because model training relies on synthetic image-text pairs, whereas evaluation is performed on real surveillance images cont...

E. Denteh, Blessing Agyei Kyem, Andrews Danyo et al. · 1 citation