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fix discriminator training

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harisreedhar
2025-02-18 10:59:43 +05:30
committed by henryruhs
parent 999f2c9cbe
commit 7b2b8f0f85
1 changed files with 5 additions and 3 deletions
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face_swapper/src/training.py
+5 -3
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@@ -47,14 +47,16 @@ class FaceSwapperTrain(lightning.LightningModule, FaceSwapperLoss):
source_embedding = calc_id_embedding(self.id_embedder, source_tensor, (0, 0, 0, 0))
swap_tensor, target_attributes = self.generator(target_tensor, source_embedding)
swap_attributes = self.generator.get_attributes(swap_tensor)
real_discriminator_outputs = self.discriminator(source_tensor)
fake_discriminator_outputs = self.discriminator(swap_tensor.detach())
fake_discriminator_outputs = self.discriminator(swap_tensor)
generator_losses = self.calc_generator_loss(swap_tensor, target_attributes, swap_attributes, fake_discriminator_outputs, batch)
generator_optimizer.zero_grad()
self.manual_backward(generator_losses.get('loss_generator'), retain_graph = True)
self.manual_backward(generator_losses.get('loss_generator'))
generator_optimizer.step()
real_discriminator_outputs = self.discriminator(source_tensor)
fake_discriminator_outputs = self.discriminator(swap_tensor.detach())
discriminator_losses = self.calc_discriminator_loss(real_discriminator_outputs, fake_discriminator_outputs)
discriminator_optimizer.zero_grad()
self.manual_backward(discriminator_losses.get('loss_discriminator'))