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Performance drop due to multiple classes #11440
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👋 Hello @as51340, 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>=3.7.0 with all requirements.txt installed including PyTorch>=1.7. To get started: git clone https://github.com/ultralytics/yolov5 # clone
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StatusIf this badge is green, all YOLOv5 GitHub Actions Continuous Integration (CI) tests are currently passing. CI tests verify correct operation of YOLOv5 training, validation, inference, export and benchmarks on macOS, Windows, and Ubuntu every 24 hours and on every commit. Introducing YOLOv8 🚀We're excited to announce the launch of our latest state-of-the-art (SOTA) object detection model for 2023 - YOLOv8 🚀! Designed to be fast, accurate, and easy to use, YOLOv8 is an ideal choice for a wide range of object detection, image segmentation and image classification tasks. With YOLOv8, you'll be able to quickly and accurately detect objects in real-time, streamline your workflows, and achieve new levels of accuracy in your projects. Check out our YOLOv8 Docs for details and get started with: pip install ultralytics |
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@as51340 hey there! When you're fine-tuning on a dataset containing multiple classes, the model's performance can be influenced by the complexity and diversity of the classes. This can sometimes lead to performance variations compared to training on a single class. It's not unusual to observe different results when training with diverse classes, as the model needs to learn to distinguish between a wider range of objects. Fine-tuning on a single class may lead to higher accuracy on that class due to the focused training. If you need further guidance, you can refer to the training tips in our Ultralytics Docs. Keep up the good work! |
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Is it expected that the detector works better when fine-tuned only on one class then when trained in environment with multiple classes? E.g. the detector is much better on class Person when fine-tuned with a dataset containing only Persons than when fine-tuned on dataset containing Person and Sports ball.
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