Gans In Action Pdf Github Review

The key idea behind GANs is to train the generator network to produce synthetic data samples that are indistinguishable from real data samples, while simultaneously training the discriminator network to correctly distinguish between real and synthetic samples. This adversarial process leads to a minimax game between the two networks, where the generator tries to produce more realistic samples and the discriminator tries to correctly classify them.

class Generator(nn.Module): def __init__(self): super(Generator, self).__init__() self.fc1 = nn.Linear(100, 128) self.fc2 = nn.Linear(128, 784) gans in action pdf github

def forward(self, x): x = torch.relu(self.fc1(x)) x = torch.sigmoid(self.fc2(x)) return x The key idea behind GANs is to train

# Train the GAN for epoch in range(100): for i, (x, _) in enumerate(train_loader): # Train the discriminator optimizer_d.zero_grad() real_logits = discriminator(x) fake_logits = discriminator(generator(torch.randn(100))) loss_d = criterion(real_logits, torch.ones_like(real_logits)) + criterion(fake_logits, torch.zeros_like(fake_logits)) loss_d.backward() optimizer_d.step() While there are still several challenges and limitations

# Define the loss function and optimizer criterion = nn.BCELoss() optimizer_g = torch.optim.Adam(generator.parameters(), lr=0.001) optimizer_d = torch.optim.Adam(discriminator.parameters(), lr=0.001)

GANs are a powerful class of deep learning models that have achieved impressive results in various applications. While there are still several challenges and limitations that need to be addressed, GANs have the potential to revolutionize the field of deep learning. With the availability of resources such as the PDF and GitHub repository, it is now easier than ever to get started with implementing GANs.

def forward(self, z): x = torch.relu(self.fc1(z)) x = torch.sigmoid(self.fc2(x)) return x