Comments (4)
👋 Hello @GG22bond, thank you for your interest in Ultralytics YOLOv8 🚀! We recommend a visit to the Docs for new users where you can find many Python and CLI usage examples and where many of the most common questions may already be answered.
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.
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Install
Pip install the ultralytics
package including all requirements in a Python>=3.8 environment with PyTorch>=1.8.
pip install ultralytics
Environments
YOLOv8 may be run in any of the following up-to-date verified environments (with all dependencies including CUDA/CUDNN, Python and PyTorch preinstalled):
- Notebooks with free GPU:
- Google Cloud Deep Learning VM. See GCP Quickstart Guide
- Amazon Deep Learning AMI. See AWS Quickstart Guide
- Docker Image. See Docker Quickstart Guide
Status
If this badge is green, all Ultralytics CI tests are currently passing. CI tests verify correct operation of all YOLOv8 Modes and Tasks on macOS, Windows, and Ubuntu every 24 hours and on every commit.
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Does anchor have a big impact on single-class target datasets?
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@GG22bond hello!
Great question! The impact of using anchors can vary depending on the specific characteristics of your dataset and the objects you are trying to detect. Here's a bit more detail:
Anchors in YOLO Models
In traditional YOLO models like YOLOv5, anchors are predefined boxes of different sizes and aspect ratios that help the model predict bounding boxes more accurately. These anchors are particularly useful when dealing with datasets that have objects of varying sizes and shapes.
Single-Class Target Datasets
For single-class target datasets, the impact of using anchors can be less pronounced compared to multi-class datasets. This is because the model only needs to focus on detecting one type of object, which can simplify the learning process. However, anchors can still be beneficial if your objects vary significantly in size and aspect ratio.
YOLOv8 and Anchor-Free Approach
YOLOv8 adopts an anchor-free approach, which simplifies the detection process and can lead to faster and more efficient training and inference. This approach can be particularly advantageous for real-time applications and scenarios where computational resources are limited.
Conclusion
While the anchor-free approach of YOLOv8 is designed to be efficient and effective, using anchors can still be beneficial in certain scenarios, especially if your objects have significant size and shape variations. It's always a good idea to experiment with both approaches to see which one yields better results for your specific use case.
Feel free to reach out if you have any more questions or need further assistance! 😊
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👋 Hello there! We wanted to give you a friendly reminder that this issue has not had any recent activity and may be closed soon, but don't worry - you can always reopen it if needed. If you still have any questions or concerns, please feel free to let us know how we can help.
For additional resources and information, please see the links below:
- Docs: https://docs.ultralytics.com
- HUB: https://hub.ultralytics.com
- Community: https://community.ultralytics.com
Feel free to inform us of any other issues you discover or feature requests that come to mind in the future. Pull Requests (PRs) are also always welcomed!
Thank you for your contributions to YOLO 🚀 and Vision AI ⭐
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Related Issues (20)
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- How can i train better my project ? YOLOV8 HOT 14
- Codebase for running YoloV10 with ONNX HOT 8
- xywh returns wrong result while xyxy returns right result HOT 1
- Support distributed evaluation during training process HOT 1
- Is there an example of yolov8n-segn Android split HOT 2
- @glenn-jocher tracker is not working for custom trained models,
- multi input video to YOLOv8 and using bytetrack.yaml return same ID to different object and keep increasing HOT 2
- The engine model RTX3060 exported by RTX4070 cannot be inferred HOT 3
- YOLO(model_yaml).load(model.pt) not work. HOT 5
- Exporting after training on YoloV10 raise a ValueError with MultiGPU HOT 7
- Yolov8 classifier training: impossible to disable some augmentation options HOT 5
- Decoupled Head in YOLOv8 HOT 3
- How to increase the weight of segmentation loss in a segmentation task? HOT 11
- Why is the performance of detection task better than segmentation task? HOT 4
- Permission Denied Error in the middle/end of training. HOT 4
- Show the true label HOT 1
- The confidence difference of pt and onnx model on yolov9. HOT 2
- About Detection Speed YOLOV8 HOT 5
- why YOLO cannot load my dataset HOT 2
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