Comments (5)
Thanks for catching this. Technically, we shouldn't have two ELUs after each other. Unfortunately, fixing this requires retraining all our checkpoints again with the updated network. We will try to fix this in our future major revision.
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Thanks a lot for your reply.
from nvae.
Hi @arash-vahdat
the decoder sampler cell is nn.ELU + Conv2D
Line 274 in 38eb997
but the encoder sampler is only a Conv2D layer
Line 263 in 38eb997
The outputs of encoder_tower and decoder_tower are not squashed by an activation function. Only encoder0 has an output activation function.
Line 253 in 38eb997
I am curious about the difference between the encoder and decoder samplers. Is this a deliberated design?
from nvae.
encoder0 is an outlier (it is a kind of a legacy branch from some old idea that didn't work out. We will remove it in the future). The fact that the encoder sampler doesn't apply any activation function is by design. I think I did experiments at some point with adding an activation and normalization and I didn't see any improvements.
from nvae.
I see. Thanks a lot.
from nvae.
Related Issues (20)
- FID score of CelebA-HQ 256x256 HOT 1
- NomalDecoder & num_bits
- TypeError: batch_norm_backward_elemt() missing 1 required positional arguments: "count" HOT 1
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- Can you provide pretrained models? HOT 1
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- Why some of the generate images by the official checkpoint of CelebA64 are NaN-value? HOT 2
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