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combining two or more weights into one #13158
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👋 Hello @shancaidazf, thank you for your interest in YOLOv5 🚀! Please visit our ⭐️ Tutorials to get started, where you can find quickstart guides for simple tasks like Custom Data Training all the way to advanced concepts like Hyperparameter Evolution. If this is a 🐛 Bug Report, please provide a minimum reproducible example to help us debug it. If this is a custom training ❓ Question, please provide as much information as possible, including dataset image examples and training logs, and verify you are following our Tips for Best Training Results. RequirementsPython>=3.8.0 with all requirements.txt installed including PyTorch>=1.8. To get started: git clone https://github.com/ultralytics/yolov5 # clone
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@shancaidazf hello, Thank you for reaching out and for searching the issues and discussions before posting your question. It looks like you're interested in combining multiple weights for detection across different datasets. While the link you provided is currently inaccessible, I can guide you on how to achieve this using model ensembling in YOLOv5. Model ensembling allows you to combine the predictions of multiple models to improve performance metrics such as mAP and Recall. Here’s a quick guide on how to do this:
For more detailed information, you can refer to the Model Ensembling tutorial. If you encounter any issues or have further questions, please ensure you provide a minimum reproducible code example. This helps us to better understand and reproduce the issue. You can find more details on creating a minimum reproducible example here. Additionally, please verify that you are using the latest versions of Thank you for your understanding and cooperation. If you have any more questions, feel free to ask! |
thank you ,sir. But your solution seems to still load two weights. In order to consume less resource , i want to combine two or more weights to one weight. I don't know if this is reasonable and achievable. And will this result in a decrease in accuracy? |
Hello @shancaidazf, Thank you for your follow-up question! I understand your concern about resource consumption when loading multiple weights. Combining multiple weights into a single model is a bit more complex and not typically supported directly by YOLOv5. However, I can provide some insights and potential approaches. Combining WeightsCombining weights from different models into one is not straightforward because each model may have different architectures, parameters, and training data. Simply merging weights can lead to suboptimal performance or even model failure. Here are a few considerations:
Accuracy ConsiderationsCombining weights or fine-tuning on multiple datasets can sometimes lead to a decrease in accuracy if not done carefully. It’s essential to monitor the performance on a validation set to ensure the model is not overfitting or underfitting. ConclusionWhile directly merging weights from different models into one is not feasible, fine-tuning a single model on multiple datasets or using knowledge distillation are potential approaches to achieve your goal. These methods require careful implementation and monitoring to ensure optimal performance. If you have any further questions or need additional assistance, feel free to ask. The YOLO community and the Ultralytics team are here to help! |
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hi,sir .i have found a solution link, https://community.ultralytics.com/t/how-to-combine-weights-to-detect-from-multiple-datasets/38/5.
But the link cannot be reached now.
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