Increase NMS fixed time limit 300ms + 30ms/img

[glenn-jocher]

🛠️ PR Summary

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🌟 Summary

Adjustment of the non-max suppression time limit in YOLOv5.

📊 Key Changes

• Modified the time limit for non-max suppression from 0.1 + 0.05 * batch_size to 0.3 + 0.03 * batch_size.

🎯 Purpose & Impact

• 🕒 Increases reliability: Adjusting the time limit allows more time for non-max suppression to operate, which could reduce the risk of prematurely terminating the process in scenarios with high numbers of detections.
• 📈 Improves performance for larger batches: The change could potentially improve detection quality for larger batch sizes without significantly increasing the time spent on each image.
• 🔍 Reduces potential for missed detections: By allowing more time, particularly for larger images or batches, the update ensures that the algorithm has a sufficient window to identify and suppress overlapping bounding boxes, potentially increasing the accuracy of detections.