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模型不收敛 #28

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sharpening opened this issue Mar 26, 2020 · 3 comments
Open

模型不收敛 #28

sharpening opened this issue Mar 26, 2020 · 3 comments

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@sharpening
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模型训练到500epoch,loss变为Nan,训练数据为cityscapes,参数除了lr为0.001其余都为默认,没有使用任何预训练模型,请问下你之前训练的时候有出现类似问题吗,有哪些地方您认为出了问题

@huaifeng1993
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有没有尝试下其它的训练策略。我也有这个问题。

@zeehuilin
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第一个epoch, loss一直是Nan, 这正常吗?后面会不会变好,我替换了detaloader和 loss(Diceloss)。

@zeehuilin
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你好,训练第一个epoch之后,loss一直是0,请问遇到过这种情况吗?

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