ultralytics/docs/en/reference/models/yolo/detect/train.md

description	keywords
Learn about the DetectionTrainer class for training YOLO models on custom datasets. Discover methods, examples, and more.	Ultralytics, YOLO, DetectionTrainer, training, object detection, machine learning, build dataset, dataloader, detection model

Reference for ultralytics/models/yolo/detect/train.py

!!! Note

This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/yolo/detect/train.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/yolo/detect/train.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/models/yolo/detect/train.py) 🛠️. Thank you 🙏!

::: ultralytics.models.yolo.detect.train.DetectionTrainer