Target xxx is out of bounds.

在采用pytorch进行训练时，最后计算cross entropy损失时会报错。
全连接层最终的维度num_classes表示的是类别的个数，但是在进行自定义数据集的标签设置时，不能从1开始，而是从0开始。如一共有四类，则标签类别为0，1，2，3。标注范围为[0, num_classes-1]，一旦超出这个范围则会报错。

在pytorch中，输入数据形式时[batch_size, channel, H, W]，在lstm模块中如果不设置batch_first=True，则需要将tensor的batch_size和seq_len维度进行交换。

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Target xxx is out of bounds.

Target xxx is out of bounds.相关推荐

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