旋转检测框的角度

[NephrenCake]

角度一定需要在[0, 180)的范围吗？

如果要检测一个物体的具体方向，比如说不同旋转角度的字，那么角度能不能改成[0, 360)？

[github-actions]

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[hukaixuan19970627]

你可以在detect类中额外再增加4个通道，专门用于预测旋转框四个点的顺序来确定物体的头部。
[0, 360)的角度范围会导致二义性问题（一个矩形框原地旋转180和旋转360的结果完全一样），这不利于网络的学习。