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corrupt JPEG data #2451

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thx13 opened this issue Mar 13, 2021 · 7 comments · Fixed by #3638 or #4548
Closed

corrupt JPEG data #2451

thx13 opened this issue Mar 13, 2021 · 7 comments · Fixed by #3638 or #4548
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question Further information is requested Stale

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@thx13
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thx13 commented Mar 13, 2021

Excuse me.When i was training my data, the cmd would show this problem: 'corrupt JPEG data:Premature end of data segment'. Would it influence the result? My train data adds some background images.

@thx13 thx13 added the question Further information is requested label Mar 13, 2021
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github-actions bot commented Mar 13, 2021

👋 Hello @thx13, 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 screenshots and minimum viable code to reproduce your issue, otherwise we can not help you.

If this is a custom training ❓ Question, please provide as much information as possible, including dataset images, training logs, screenshots, and a public link to online W&B logging if available.

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@glenn-jocher
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@thx13 this is a low level C error caused by corrupt or incomplete jpeg images in your dataset, it is not easy to detect in python. See https://stackoverflow.com/questions/33548956/detect-avoid-premature-end-of-jpeg-in-cv2-python

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This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

@github-actions github-actions bot added the Stale label Apr 13, 2021
@glenn-jocher glenn-jocher linked a pull request Jun 16, 2021 that will close this issue
@glenn-jocher
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@thx13 good news 😃! Your original issue may now be fixed ✅ in PR #3638. To receive this update:

  • Gitgit pull from within your yolov5/ directory or git clone https://github.com/ultralytics/yolov5 again
  • PyTorch Hub – Force-reload with model = torch.hub.load('ultralytics/yolov5', 'yolov5s', force_reload=True)
  • Notebooks – View updated notebooks Open In Colab Open In Kaggle
  • Dockersudo docker pull ultralytics/yolov5:latest to update your image Docker Pulls

Thank you for spotting this issue and informing us of the problem. Please let us know if this update resolves the issue for you, and feel free to inform us of any other issues you discover or feature requests that come to mind. Happy trainings with YOLOv5 🚀!

@glenn-jocher glenn-jocher linked a pull request Aug 26, 2021 that will close this issue
@glenn-jocher
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@thx13 good news 😃! Your original issue may now be fixed ✅ in PR #4548. This PR automatically restores and saves corrupted JPEGs before training starts, and all images are now used for training, including the restored JPEGs.

To receive this update:

  • Gitgit pull from within your yolov5/ directory or git clone https://github.com/ultralytics/yolov5 again
  • PyTorch Hub – Force-reload with model = torch.hub.load('ultralytics/yolov5', 'yolov5s', force_reload=True)
  • Notebooks – View updated notebooks Open In Colab Open In Kaggle
  • Dockersudo docker pull ultralytics/yolov5:latest to update your image Docker Pulls

Thank you for spotting this issue and informing us of the problem. Please let us know if this update resolves the issue for you, and feel free to inform us of any other issues you discover or feature requests that come to mind. Happy trainings with YOLOv5 🚀!

@KKhaledZen13
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@glenn-jocher Hello, I believe the same issue is present using yolov8 if you run it through the proposed tiger pose dataset.
Though i will mention... i didnt install ultralytics lib instead i took the "bin" file yolo from the bin folder and i use it on the ultralytics folder.

@glenn-jocher
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Hello @KKhaledZen13! It appears there might be a mix-up in your setup process. For optimum performance and compatibility with our datasets, including the "tiger pose" dataset, it's recommended to fully install the Ultralytics library rather than relying on binaries directly from the "bin" folder. This ensures all dependencies and necessary components are correctly aligned. Could you try installing the library following the provided guidelines and verify if the issue persists? Here's a quick reminder on how to install:

pip install ultralytics

If the problem continues even after installation, please let us know. We're here to help! 🚀

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