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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
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### ::: ultralytics.yolo.v8.detect.train.DetectionTrainer
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## train
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### ::: ultralytics.yolo.v8.detect.train.train
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