close mosaic in yolov5

[ChenJian7578]

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Question

in v8, ultralytics/cfg/default.yaml. there have the parameter close_mosaic to close the mosaic in the last few epochs of training, so how can i Implement this functionality in v5?

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[UltralyticsAssistant]

👋 Hello @ChenJian7578, thank you for your interest in YOLOv5 🚀! This is an automated response, and an Ultralytics engineer will assist you soon.

To address your question about the mosaic augmentation parameter available in YOLOv8, and how to implement similar functionality in YOLOv5, please refer to our ⭐️ YOLOv5 Tutorials. These guides cover various topics such as Custom Data Training which might help you adapt augmentations to your needs.

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Ensure that Python>=3.8.0 is installed with all dependencies from requirements.txt, including PyTorch>=1.8. To set up, you can run:

git clone https://github.com/ultralytics/yolov5  # clone
cd yolov5
pip install -r requirements.txt  # install

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pip install ultralytics

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[pderrenger]

@ChenJian7578 to disable mosaic augmentation in YOLOv5 during the last few epochs, you can modify the training script to adjust the mosaic parameter in the data augmentation settings. You can manually set it to False in the hyp.scratch-low.yaml file or adjust it dynamically in the training loop. For more detailed guidance, you might want to explore the training scripts and augmentation settings in the repository.

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