Comments (3)
hello 感谢您的关注,我是这么理解这个问题的,我觉得其实可以把label的数量和网络塌陷分开理解,就是假设极端情况没有label,这时候很容易导致平凡解,有label的时候会避免这个现象的出现,同时label越多,对语义的学历能力越强,但是这对模型的塌陷没有太大的影响,因为两只网络的输入和预训练模型都是一样的(如果不是随机初始化的话),再加上监督信号很有可能也是一样的,所以两只网络很容易塌陷。我们的cosine loss只是为了防止两只网络塌陷,强行使两只网络不一致,这样随着训练的进行会因为可以从不同角度去理解所以导致对语义的理解慢慢变好,在有的情况下其实单用这么一个loss的话甚至可能会影响性能(所以才需要CPL),所以我们的这个loss的设计初衷也没有想从提高性能的角度出发。我个人的理解是把性能和塌陷两件事情分开理解,不知道您是否认同?
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大佬加油!
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Related Issues (14)
- Results HOT 2
- About unlabeled.txt HOT 3
- Question about the CPL loss HOT 2
- uestion about the setting of "mode_confident"
- L2 normalization和CosineSimilarity
- Confusion about Equations HOT 3
- Questions about retraining HOT 4
- Question about the setting of "mode_confident" HOT 4
- Question about the inplanes of ResNet HOT 1
- Question about the setting in your experiment HOT 4
- Question about the GPU HOT 1
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