Nguyen, T.-N.; Nguyen-Duc, Q.-A.; Kim, D.-T.; Doan, D. T.; Pham, M.-D.; Van, D. C.; Nguyen, M.-A. Heterogeneous Multi-Model Ensemble for PPE Detection in Construction Environments. EAI Endorsed Trans IoT 2025, 11. https://doi.org/10.4108/eetiot.9971.