{"id":29886,"date":"2024-10-28T03:00:45","date_gmt":"2024-10-28T03:00:45","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=29886"},"modified":"2024-11-26T06:50:58","modified_gmt":"2024-11-26T06:50:58","slug":"%ed%8c%8c%ec%9d%b4%ed%86%a0%ec%b9%98%eb%a5%bc-%ed%99%9c%ec%9a%a9%ed%95%9c-gan-%eb%94%a5%eb%9f%ac%eb%8b%9d-%ed%9b%88%eb%a0%a8-%ea%b3%bc%ec%a0%95","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/29886\/","title":{"rendered":"\ud30c\uc774\ud1a0\uce58\ub97c \ud65c\uc6a9\ud55c GAN \ub525\ub7ec\ub2dd, \ud6c8\ub828 \uacfc\uc815"},"content":{"rendered":"<p><body><\/p>\n<p>\uc0dd\uc131\uc801 \uc801\ub300 \uc2e0\uacbd\ub9dd(Generative Adversarial Network, GAN)\uc740 2014\ub144 Ian Goodfellow\uc640 \ub3d9\ub8cc\ub4e4\uc774 \ubc1c\ud45c\ud55c \uc2e0\uacbd\ub9dd \uc544\ud0a4\ud14d\ucc98\ub85c, \ub450 \uac1c\uc758 \uc2e0\uacbd\ub9dd\uc778 \uc0dd\uc131\uc790(Generator)\uc640 \ud310\ubcc4\uc790(Discriminator)\uac00 \uacbd\uc7c1\ud558\uba74\uc11c \ud6c8\ub828\ub429\ub2c8\ub2e4. GAN\uc740 \uc8fc\ub85c \uc774\ubbf8\uc9c0 \uc0dd\uc131, \ubcc0\ud658, \uc7ac\uad6c\uc131 \ub4f1\uc758 \ubd84\uc57c\uc5d0 \ud65c\uc6a9\ub418\uba70, \ud2b9\ud788 \uace0\ud574\uc0c1\ub3c4\uc758 \uc0ac\uc9c4\uc774\ub098 \uc608\uc220\uc791\ud488 \uc0dd\uc131\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubcf8 \uae00\uc5d0\uc11c\ub294 \ud30c\uc774\ud1a0\uce58\ub97c \ud65c\uc6a9\ud558\uc5ec GAN\uc758 \uc804\uccb4 \uad6c\uc870\uc640 \ud6c8\ub828 \uacfc\uc815\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>1. GAN\uc758 \uad6c\uc870<\/h2>\n<p>GAN\uc740 \ub450 \uac1c\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc0dd\uc131\uc790 (G)<\/strong>: \ubb34\uc791\uc704 \ub178\uc774\uc988 \ubca1\ud130\ub97c \uc785\ub825\uc73c\ub85c \ubc1b\uc544\ub4e4\uc774\uace0, \uc774\ub97c \uc2e4\uc81c\uc640 \uc720\uc0ac\ud55c \uac00\uc9dc \uc0d8\ud50c\ub85c \ubcc0\ud658\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ud310\ubcc4\uc790 (D)<\/strong>: \uc785\ub825\ub41c \uc0d8\ud50c\uc774 \uc2e4\uc81c \ub370\uc774\ud130\uc778\uc9c0(G)\uac00 \uc544\ub2cc\uc9c0\ub97c \ud310\ubcc4\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c\uc785\ub2c8\ub2e4. \ud310\ubcc4\uc790\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc640 \uc0dd\uc131\uc790\uac00 \ub9cc\ub4e0 \uac00\uc9dc \ub370\uc774\ud130\ub97c \ucd5c\ub300\ud55c \uc798 \uad6c\ubd84\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774 \ub450 \ub124\ud2b8\uc6cc\ud06c\ub294 \uc11c\ub85c\ub97c \uc0c1\ub300\ubc29\ubcf4\ub2e4 \ub354 \uc798 \uc218\ud589\ud558\uae30 \uc704\ud574 \uacbd\uc7c1\ud558\ub294 \uad6c\uc870\ub97c \uac16\uc2b5\ub2c8\ub2e4. \uc0dd\uc131\uc790\ub294 \uc810\ucc28\uc801\uc73c\ub85c \ub354 \uadf8\ub7f4\ub4ef\ud55c \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud574 \uac1c\uc120\ub418\uace0, \ud310\ubcc4\uc790\ub294 \ub354 \uc815\uad50\ud558\uac8c \uc0dd\uc131\ub41c \ub370\uc774\ud130\ub97c \ud310\ubcc4\ud560 \uc218 \uc788\ub3c4\ub85d \ud6c8\ub828\ub429\ub2c8\ub2e4.<\/p>\n<h2>2. GAN\uc758 \ud6c8\ub828 \uacfc\uc815<\/h2>\n<p>GAN\uc758 \ud6c8\ub828 \uacfc\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ub2e8\uacc4\ub85c \uc9c4\ud589\ub429\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\ubb34\uc791\uc704 \ub178\uc774\uc988 \ubca1\ud130\ub97c \uc0dd\uc131\ud558\uc5ec \uc0dd\uc131\uc790\uc5d0 \uc785\ub825\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc0dd\uc131\uc790\ub294 \ub178\uc774\uc988 \ubca1\ud130\ub97c \uac00\uc9dc \uc0d8\ud50c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li>\ud310\ubcc4\uc790\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc640 \uc0dd\uc131\ub41c \uac00\uc9dc \ub370\uc774\ud130 \ubaa8\ub450\ub97c \uc785\ub825\uc73c\ub85c \ubc1b\uc544\ub4e4\uc785\ub2c8\ub2e4.<\/li>\n<li>\ud310\ubcc4\uc790\ub294 \uac01 \uc0d8\ud50c\uc774 \uc2e4\uc81c \ub370\uc774\ud130\uc778\uc9c0 \uac00\uc9dc \ub370\uc774\ud130\uc778\uc9c0\ub97c \uc608\uce21\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc0dd\uc131\uc790\ub294 \ud310\ubcc4\uc790\uac00 \uac00\uc9dc \uc0d8\ud50c\uc744 \uc2e4\uc81c \ub370\uc774\ud130\ub77c\uace0 \ud310\ub2e8\ud558\uac8c \ub9cc\ub4e4\uae30 \uc704\ud574 \uc190\uc2e4\ud568\uc218\ub97c \ud1b5\ud574 \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4. \ubc18\ub300\ub85c, \ud310\ubcc4\uc790\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc640 \uac00\uc9dc \ub370\uc774\ud130\ub97c \uc798 \uad6c\ubd84\ud558\uae30 \uc704\ud574 \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>3. \ud30c\uc774\ud1a0\uce58\ub97c \uc774\uc6a9\ud55c GAN \uad6c\ud604<\/h2>\n<p>\uc774\uc81c \ud30c\uc774\ud1a0\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec GAN\uc744 \uad6c\ud604\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 MNIST \ub370\uc774\ud130\uc14b\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc190\uae00\uc528 \uc22b\uc790\ub97c \uc0dd\uc131\ud558\ub294 GAN\uc744 \ub9cc\ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>3.1 \ud544\uc694\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac \uc124\uce58<\/h3>\n<pre><code>pip install torch torchvision matplotlib<\/code><\/pre>\n<h3>3.2 \ub370\uc774\ud130\uc14b \uc900\ube44<\/h3>\n<p>MNIST \ub370\uc774\ud130\uc14b\uc744 \ub85c\ub4dc\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. PyTorch\uc5d0\uc11c\ub294 torchvision \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ud1b5\ud574 \uc27d\uac8c \ub370\uc774\ud130\ub97c \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>import torch\nfrom torchvision import datasets, transforms\n\n# \ub370\uc774\ud130 \ubcc0\ud658\ntransform = transforms.Compose([\n    transforms.ToTensor(),\n    transforms.Normalize((0.5,), (0.5,))\n])\n\n# \ub370\uc774\ud130\uc14b \ub2e4\uc6b4\ub85c\ub4dc \ubc0f \ub85c\ub4dc\ntrain_dataset = datasets.MNIST(root='.\/data', train=True, download=True, transform=transform)\ntrain_loader = torch.utils.data.DataLoader(dataset=train_dataset, batch_size=64, shuffle=True)\n<\/code><\/pre>\n<h3>3.3 \uc0dd\uc131\uc790(Generator)\uc640 \ud310\ubcc4\uc790(Discriminator) \uad6c\ud604<\/h3>\n<p>\uc774\uc81c GAN\uc758 \ub450 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\uc778 \uc0dd\uc131\uc790\uc640 \ud310\ubcc4\uc790\ub97c \uc815\uc758\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc0dd\uc131\uc790\ub294 \uac04\ub2e8\ud55c \uc644\uc804\uc5f0\uacb0 \uc2e0\uacbd\ub9dd\uc744 \uc0ac\uc6a9\ud558\uace0, \ud310\ubcc4\uc790\ub294 CNN\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0\ub97c \ucc98\ub9ac\ud558\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>import torch.nn as nn\n\n# \uc0dd\uc131\uc790 \ubaa8\ub378\nclass Generator(nn.Module):\n    def __init__(self):\n        super(Generator, self).__init__()\n        self.model = nn.Sequential(\n            nn.Linear(100, 256),\n            nn.ReLU(),\n            nn.Linear(256, 512),\n            nn.ReLU(),\n            nn.Linear(512, 1024),\n            nn.ReLU(),\n            nn.Linear(1024, 28 * 28),\n            nn.Tanh()\n        )\n    \n    def forward(self, z):\n        return self.model(z).view(-1, 1, 28, 28)\n\n# \ud310\ubcc4\uc790 \ubaa8\ub378\nclass Discriminator(nn.Module):\n    def __init__(self):\n        super(Discriminator, self).__init__()\n        self.model = nn.Sequential(\n            nn.Flatten(),\n            nn.Linear(28 * 28, 512),\n            nn.LeakyReLU(0.2),\n            nn.Linear(512, 256),\n            nn.LeakyReLU(0.2),\n            nn.Linear(256, 1),\n            nn.Sigmoid()\n        )\n    \n    def forward(self, x):\n        return self.model(x)\n<\/code><\/pre>\n<h3>3.4 \uc190\uc2e4\ud568\uc218 \ubc0f \ucd5c\uc801\ud654 \uc54c\uace0\ub9ac\uc998 \uc124\uc815<\/h3>\n<p>GAN\uc758 \ud6c8\ub828\uc744 \uc704\ud574\uc11c \uc190\uc2e4\ud568\uc218\uc640 \ucd5c\uc801\ud654 \uc54c\uace0\ub9ac\uc998\uc744 \uc815\uc758\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc0dd\uc131\uc790\uc640 \ud310\ubcc4\uc790\ub294 \uac01\uac01 \ub2e4\ub978 \uc190\uc2e4\ud568\uc218\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uac04\ub2e8\ud55c \uc774\uc9c4 \uad50\ucc28 \uc5d4\ud2b8\ub85c\ud53c \uc190\uc2e4\uc744 \uc0ac\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<pre><code>criterion = nn.BCELoss()\noptimizer_G = torch.optim.Adam(Generator.parameters(), lr=0.0002, betas=(0.5, 0.999))\noptimizer_D = torch.optim.Adam(Discriminator.parameters(), lr=0.0002, betas=(0.5, 0.999))\n<\/code><\/pre>\n<h3>3.5 GAN \ud6c8\ub828 \ub8e8\ud504<\/h3>\n<p>\uc774\uc81c GAN \ud6c8\ub828\uc744 \uc704\ud55c \ub8e8\ud504\ub97c \uad6c\ud604\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \uc77c\uc815 \uc218\uc758 \uc5d0\ud3ec\ud06c \ub3d9\uc548 \uc0dd\uc131\uc790\uc640 \ud310\ubcc4\uc790\ub97c \ubc88\uac08\uc544\uac00\uba70 \ud6c8\ub828\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>def train_gan(generator, discriminator, train_loader, num_epochs=100):\n    for epoch in range(num_epochs):\n        for i, (real_images, _) in enumerate(train_loader):\n            batch_size = real_images.size(0)\n\n            # \uc9c4\uc9dc \ub77c\ubca8\uacfc \uac00\uc9dc \ub77c\ubca8 \uc815\uc758\n            real_labels = torch.ones(batch_size, 1)\n            fake_labels = torch.zeros(batch_size, 1)\n\n            # \ud310\ubcc4\uc790 \ud6c8\ub828\n            discriminator.zero_grad()\n            outputs = discriminator(real_images)\n            d_loss_real = criterion(outputs, real_labels)\n            d_loss_real.backward()\n\n            z = torch.randn(batch_size, 100)\n            fake_images = generator(z)\n            outputs = discriminator(fake_images.detach())\n            d_loss_fake = criterion(outputs, fake_labels)\n            d_loss_fake.backward()\n\n            optimizer_D.step()\n\n            # \uc0dd\uc131\uc790 \ud6c8\ub828\n            generator.zero_grad()\n            outputs = discriminator(fake_images)\n            g_loss = criterion(outputs, real_labels)\n            g_loss.backward()\n            optimizer_G.step()\n\n        print(f'Epoch [{epoch+1}\/{num_epochs}], d_loss: {d_loss_real.item() + d_loss_fake.item()}, g_loss: {g_loss.item()}')\n\n# GAN \ud6c8\ub828 \uc2dc\uc791\ngenerator = Generator()\ndiscriminator = Discriminator()\ntrain_gan(generator, discriminator, train_loader)\n<\/code><\/pre>\n<h2>4. \uacb0\uacfc \uc2dc\uac01\ud654<\/h2>\n<p>\ud6c8\ub828\uc774 \uc9c4\ud589\ub41c \ud6c4\uc5d0\ub294 \uc0dd\uc131\ub41c \uc774\ubbf8\uc9c0\ub4e4\uc744 \uc2dc\uac01\ud654\ud558\uc5ec \uacb0\uacfc\ub97c \ud655\uc778\ud574\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>import matplotlib.pyplot as plt\n\ndef show_generated_images(generator, num_images=25):\n    z = torch.randn(num_images, 100)\n    generated_images = generator(z).detach().numpy()\n    \n    plt.figure(figsize=(10, 10))\n    for i in range(num_images):\n        plt.subplot(5, 5, i + 1)\n        plt.imshow(generated_images[i][0], cmap='gray')\n        plt.axis('off')\n    plt.show()\n\n# \uc0dd\uc131\ub41c \uc774\ubbf8\uc9c0 \ubcf4\uc5ec\uc8fc\uae30\nshow_generated_images(generator)\n<\/code><\/pre>\n<h2>5. \uacb0\ub860<\/h2>\n<p>\uc774\ubc88 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 GAN\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \ud30c\uc774\ud1a0\uce58\ub97c \uc774\uc6a9\ud55c \uac04\ub2e8\ud55c \uad6c\ud604 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. GAN\uc740 \ub9e4\uc6b0 \uac15\ub825\ud55c \uc0dd\uc131 \ubaa8\ub378\ub85c, \ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc0dd\uc131 \ubb38\uc81c\uc5d0 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc GAN\uc758 \ud6c8\ub828\uc740 \ubd88\uc548\uc815\ud560 \uc218 \uc788\uc73c\uba70, \ub2e4\uc591\ud55c \uae30\ubc95\uacfc \ud558\uc774\ud37c\ud30c\ub77c\ubbf8\ud130 \uc870\uc815\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub354 \ubcf5\uc7a1\ud55c GAN \uc544\ud0a4\ud14d\ucc98\ub4e4(\uc608: DCGAN, WGAN)\ub3c4 \ud0d0\uc0c9\ud574\ubcf4\uba74 \ud765\ubbf8\ub85c\uc6b4 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\uc81c \uc5ec\ub7ec\ubd84\uc740 GAN\uc758 \uae30\ubcf8\uc801\uc778 \ub3d9\uc791 \ubc29\uc2dd\uacfc \uc774\ub97c \ud30c\uc774\ud1a0\uce58\ub85c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \ub354 \ub098\uc544\uac00 \ub2e4\uc591\ud55c \uc608\uc81c\ub97c \uc2dc\ub3c4\ud574\ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4!<\/p>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc0dd\uc131\uc801 \uc801\ub300 \uc2e0\uacbd\ub9dd(Generative Adversarial Network, GAN)\uc740 2014\ub144 Ian Goodfellow\uc640 \ub3d9\ub8cc\ub4e4\uc774 \ubc1c\ud45c\ud55c \uc2e0\uacbd\ub9dd \uc544\ud0a4\ud14d\ucc98\ub85c, \ub450 \uac1c\uc758 \uc2e0\uacbd\ub9dd\uc778 \uc0dd\uc131\uc790(Generator)\uc640 \ud310\ubcc4\uc790(Discriminator)\uac00 \uacbd\uc7c1\ud558\uba74\uc11c \ud6c8\ub828\ub429\ub2c8\ub2e4. GAN\uc740 \uc8fc\ub85c \uc774\ubbf8\uc9c0 \uc0dd\uc131, \ubcc0\ud658, \uc7ac\uad6c\uc131 \ub4f1\uc758 \ubd84\uc57c\uc5d0 \ud65c\uc6a9\ub418\uba70, \ud2b9\ud788 \uace0\ud574\uc0c1\ub3c4\uc758 \uc0ac\uc9c4\uc774\ub098 \uc608\uc220\uc791\ud488 \uc0dd\uc131\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubcf8 \uae00\uc5d0\uc11c\ub294 \ud30c\uc774\ud1a0\uce58\ub97c \ud65c\uc6a9\ud558\uc5ec GAN\uc758 \uc804\uccb4 \uad6c\uc870\uc640 \ud6c8\ub828 \uacfc\uc815\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. GAN\uc758 \uad6c\uc870 GAN\uc740 \ub450 \uac1c\uc758 \uc8fc\uc694 \uad6c\uc131 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/29886\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;\ud30c\uc774\ud1a0\uce58\ub97c \ud65c\uc6a9\ud55c GAN \ub525\ub7ec\ub2dd, \ud6c8\ub828 \uacfc\uc815&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[32],"tags":[],"class_list":["post-29886","post","type-post","status-publish","format-standard","hentry","category-gan--"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ud30c\uc774\ud1a0\uce58\ub97c \ud65c\uc6a9\ud55c GAN \ub525\ub7ec\ub2dd, \ud6c8\ub828 \uacfc\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/29886\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud30c\uc774\ud1a0\uce58\ub97c \ud65c\uc6a9\ud55c GAN \ub525\ub7ec\ub2dd, \ud6c8\ub828 \uacfc\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\uc0dd\uc131\uc801 \uc801\ub300 \uc2e0\uacbd\ub9dd(Generative Adversarial Network, GAN)\uc740 2014\ub144 Ian Goodfellow\uc640 \ub3d9\ub8cc\ub4e4\uc774 \ubc1c\ud45c\ud55c \uc2e0\uacbd\ub9dd \uc544\ud0a4\ud14d\ucc98\ub85c, \ub450 \uac1c\uc758 \uc2e0\uacbd\ub9dd\uc778 \uc0dd\uc131\uc790(Generator)\uc640 \ud310\ubcc4\uc790(Discriminator)\uac00 \uacbd\uc7c1\ud558\uba74\uc11c \ud6c8\ub828\ub429\ub2c8\ub2e4. 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