Author

Israel Afriyie

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Preprint Aug 2026

DRAFE: Domain-Robust Asymmetric Fusion of Heterogeneous Detection Transformers for Cross-City Fine-Grained Traffic Object Detection

Deep learning-based object detectors are fundamental to intelligent transportation systems, enabling traffic monitoring, vehicle analytics, and infrastructure management. However, achieving both fine-grained vehicle recognition and robust cross-city domain generalization remains challenging. We present the Domain-Robus...

Divine Yao Agbobli, G. Agorku, Israel Afriyie et al. · 0 citations

Open access Aug 2026

Safety-Aware Reinforcement Learning Model for Adaptive Traffic Signal Optimization in Work Zone Environments

The findings show that a single controller trained with surrogate safety indicators as learning objectives can improve operational performance while reducing safety-critical instability in work zones.

Israel Afriyie, Kwadwo Amankwah-Nkyi, Percy Agyei-Essiful et al. · Future Transportation · 1 citation