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fix BCEloss error #8

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fix BCEloss error #8

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9 changes: 8 additions & 1 deletion 1. Vanilla GAN PyTorch.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -218,7 +218,14 @@
"g_optimizer = optim.Adam(generator.parameters(), lr=0.0002)\n",
"\n",
"# Loss function\n",
"loss = nn.BCELoss()\n",
"class StableBCELoss(nn.modules.Module):",
" def __init__(self):",
" super(StableBCELoss, self).__init__()",
" def forward(self, input, target):",
" neg_abs = - input.abs()",
" loss = input.clamp(min=0) - input * target + (1 + neg_abs.exp()).log()",
" return loss.mean()",
"loss = StableBCELoss()\n",
"\n",
"# Number of steps to apply to the discriminator\n",
"d_steps = 1 # In Goodfellow et. al 2014 this variable is assigned to 1\n",
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