Helmet Detection System with YOLO Architecture in Real-Time Construction Site Cameras
Öz
A significant proportion of construction site accidents occur due to falling objects from above, making helmet usage critical for worker safety. Helmet compliance is traditionally monitored manually by supervisors, a process susceptible to human oversight. Human-related limitations may result in overlooked safety violations. In this study, a real-time automatic helmet detection system was developed using images captured from construction site cameras. A dataset of 4,759 images was acquired under diverse viewing angles, lighting conditions, and distances. Through data augmentation techniques such as grayscale conversion, blurring, noise addition, brightness and saturation adjustment, perspective transformation, resizing, and shifting, the dataset was augmented to a total of 17,781 samples through systematic data augmentation, ensuring greater adaptability to real-world conditions. The dataset was evaluated across four different versions of the YOLO architecture, with YOLOv8 achieving the best performance. The results demonstrated an accuracy of 98.3%, an F1-score of 0.939, and a mAP@.5 value of 0.977. Furthermore, the system improved the frame rate from 27 FPS to 60 FPS, enabling efficient real-time detection.
Anahtar Kelimeler
Helmet detection, Personal Protective Equipment, Deep learning, Object detection, YOLO architecture
Kaynakça
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