| description: Train and optimize custom object detection models with Ultralytics DetectionTrainer and train functions. Get started with YOLO v8 today. | |
| keywords: DetectionTrainer, Ultralytics YOLO, custom object detection, train models, AI applications | |
| ## DetectionTrainer | |
| --- | |
| ### ::: ultralytics.yolo.v8.detect.train.DetectionTrainer | |
| <br><br> | |
| ## train | |
| --- | |
| ### ::: ultralytics.yolo.v8.detect.train.train | |
| <br><br> | |