YOLOv8.1 都有哪些新特性？Ultralytics v8.1.0 release：OBB - Oriented object detection 定向目标检测

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YOLOv8.1 版本闪亮登场

总结：主要增加了旋转目标检测【Oriented Bounding Boxes Object Detection】，

Ultralytics proudly announces the v8.1.0 release of YOLOv8, celebrating a year of remarkable achievements and advancements. This version continues our commitment to making AI technology accessible and powerful, reflected in our latest breakthroughs and improvements.

2023 YOLOv8 主要成就2023 in Review

• Record-Breaking Engagement: Over 20 million downloads of the Ultralytics package, with 4 million in December alone! 📈
  破纪录的参与度：Ultralytics 软件包的下载量超过 2000 万次，仅在 12 月就有 400 万次！📈

• Massive Model Training: An incredible 19 million YOLOv8 models were tr