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mmcls.core.mAP¶
- mmcls.core.mAP(pred, target)[源代码]¶
Calculate the mean average precision with respect of classes.
- 参数
pred (torch.Tensor | np.ndarray) – The model prediction with shape (N, C), where C is the number of classes.
target (torch.Tensor | np.ndarray) – The target of each prediction with shape (N, C), where C is the number of classes. 1 stands for positive examples, 0 stands for negative examples and -1 stands for difficult examples.
- 返回
A single float as mAP value.
- 返回类型