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carpedm20 avatar carpedm20 commented on June 10, 2024

I'm working on this and other issues. Autoencoder which is D trained well but G doesn't. G seems to go to the right path only at the very early steps but when k_t goes near 0, it goes wrong.

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carpedm20 avatar carpedm20 commented on June 10, 2024

After I switched 'z_dim' from 1024 to 124, I guess explosion with default parameter is solved.

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malreddysid avatar malreddysid commented on June 10, 2024

Hi! Were you able to recreate the results given in paper?

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carpedm20 avatar carpedm20 commented on June 10, 2024

Not yet. But I will.

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malreddysid avatar malreddysid commented on June 10, 2024

https://github.com/rcalland/chainer-BEGAN
Here is another implementation which is done using chainer. It might help you.

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carpedm20 avatar carpedm20 commented on June 10, 2024

@malreddysid Yea. I saw it too but it doesn't have a learning rate schedule which, in my opinion, important to get out of mode collapsing. I guess it's hard to understand gradient flow of pytorch and I'm working on a tensorflow implementation which is better than this implementation and actually show some faces.
image image

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Tyhye avatar Tyhye commented on June 10, 2024

Hi! Maybe you could change the L1loss() to tensor,reducemean(tensor.abs(D-X) ).
I have try by this way. The losses seems becoming similar to your tensorflow-version,but the image generated is still bad.

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