Comments (2)
It's just because the initialization of the last layer outputs something close to zero. In case of gamma, we initialized it to output something close to one, so that in the beginning of training SPADE will preserve normalized activations.
Another way of having the same effect would be initializing the bias of the last layer to be 1.
Just to reiterate your issue that it's different from the paper, it doesn't really matter because gamma is learned. You can have gamma learn x or 1 + x.
from spade.
Got it. Thanks!
from spade.
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from spade.