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fix unet multiclass bug

This commit is contained in:
zhaoting 2021-06-03 09:51:21 +08:00
parent 9179505446
commit 731ee5463a
1 changed files with 2 additions and 1 deletions
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3
model_zoo/official/cv/unet/src/loss.py
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@ -32,9 +32,10 @@ class CrossEntropyWithLogits(_Loss):
logits = self.transpose_fn(logits, (0, 2, 3, 1))
logits = self.cast(logits, mindspore.float32)
label = self.transpose_fn(label, (0, 2, 3, 1))
_, _, _, c = F.Shape()(label)
loss = self.reduce_mean(
self.softmax_cross_entropy_loss(self.reshape_fn(logits, (-1, 2)), self.reshape_fn(label, (-1, 2))))
self.softmax_cross_entropy_loss(self.reshape_fn(logits, (-1, c)), self.reshape_fn(label, (-1, c))))
return self.get_loss(loss)
class MultiCrossEntropyWithLogits(nn.Cell):