Comments (3)
somebody says "svd did not converge" is caused by a matrix for svd that has nan or inf but I don`t find any in my matrix .
from me-net.
Finally I choose to use python keyword "try" to avoid the raise, which makes few (less than 10) images not be preprocessed. I think it wont cause a large drop of acc. After the full 200 epochs , acc of MNIST is only around 40% under fgsm0.3(softimp p=0.3 as me method). If I use usvt as me method, that acc is around 87%,which is consistent with fig6. The only thing I changed is me-type so I really don
t know why that happened, do you have any idea?
from me-net.
Hi, sorry for the late reply. For MNIST, we did not test much with different ME methods, as the improvements are limited. We hypothesis that since there are almost only black/white pixels, the information on the image is not as rich as other datasets, e.g., CIFAR. The optimization based methods can be numerically unstable under this case.
I would suggest you try different parameters of other ME types, and could also visualize how the recovered images look like for the optimization methods. This might help debug whether the hyper-parameters are reasonable. Note that the current code settings are mainly extensively tested for CIFAR.
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Related Issues (6)
- 关于USVT的实现 HOT 1
- Could you provide hyperparameter for MNIST? HOT 6
- 关于这篇文章的诸多问题 HOT 10
- mask_train_cnt almost always be 1 HOT 4
- question HOT 1
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