Ms. Anjali Kadao
Assistant Professor, Faculty of CS&IT
Kalinga University, Raipur
anjali.kadao@kalingauniversity.ac.in
Introduction:
Helmet detection generally refers to use computer vision techniques to identify automatically whether a person is wearing a helmet in images or video footage. It’s commonly used for safety monitoring in environments like construction sites, industrial zones, or while riding bikes and motorcycles.
Steps for Helmet Detection:
Data Collection:
Gather images or videos of people with and without helmets. Datasets can be created manually or sourced from online repositories.
Preprocessing:
Resize images, normalize pixel values, and apply augmentations (like rotations or flips) to improve model robustness.
Model Selection:
Use object detection models such as:
YOLO (You Only Look Once): Fast and efficient for real-time detection.
SSD (Single Shot Detector): Good balance of speed and accuracy.
Faster R-CNN: More accurate but computationally heavier.
Training:
Train the model using labeled data (e.g., bounding boxes around helmets). The model should classify objects as “helmet” or “no helmet.”
Testing:
Evaluate the model on a test dataset to ensure it can detect helmets accurately under various conditions (lighting, angles, etc.).
Deployment:
Once trained, the model can be integrated into live video streams or image processing pipelines to automatically detect helmets in real-time.
Conclusion:
Helmet detection using computer vision offers a robust solution for ensuring safety in environments where wearing a helmet is crucial. By leveraging advanced object detection models such as YOLO, SSD, or Faster R-CNN, organizations can automate helmet monitoring efficiently. Key steps include collecting quality data, preprocessing, selecting an appropriate model, training, and testing.