Update model.py
Browse files
model.py
CHANGED
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@@ -1,6 +1,5 @@
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import torch
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import torch.nn as nn
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# from torchinfo import summary
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class RD_block(nn.Module):
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@@ -61,31 +60,38 @@ class UpsampleBlock(nn.Module):
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return self.act(self.conv(self.upsample(x)))
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class
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def __init__(self, in_channels, out_channels, channels, growth_channels, upscale_factor, residual_beta):
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super(
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self.conv1 = nn.Conv2d(in_channels, channels, kernel_size=3,
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stride=1, padding=1)
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self.res_block = nn.Sequential(*[RRD_block(channels, growth_channels, residual_beta) for _ in range(
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self.conv2 = nn.Conv2d(channels, channels, kernel_size=3,
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stride=1, padding=1)
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self.upsample = nn.Sequential(
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UpsampleBlock(channels, upscale_factor), UpsampleBlock(channels, upscale_factor),
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)
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self.conv3 = nn.Sequential(
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nn.Conv2d(channels, channels, (3, 3), (1, 1), (1, 1)),
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nn.LeakyReLU(0.2, True)
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)
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self.conv4 = nn.Conv2d(channels, out_channels, (3, 3), (1, 1), (1, 1))
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def forward(self, x):
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temp = x
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out1 = self.conv1(x)
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out3 = torch.add(out2, out1)
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out4 = self.upsample(out3)
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out5 = self.conv3(out4)
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@@ -199,6 +205,8 @@ class Discriminator(nn.Module):
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out = self.classifier(out)
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return out
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#############################################
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def weights_init(m):
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if isinstance(m, nn.Conv2d):
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@@ -206,14 +214,3 @@ def weights_init(m):
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m.weight.data *= 0.1
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if m.bias is not None:
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nn.init.constant_(m.bias, 0)
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#
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# device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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# gen = RRDBNet(3, 3, 64, 32, 2, 0.2).to(device)
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# # # gen_opt = torch.optim.Adam(gen.parameters(), lr=1e-4, betas=(0.9, 0.999))
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# # # gen_model = gen.apply(weights_init)
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# summary(gen, input_size=(16, 3, 64, 64))
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# # # dis = Discriminator().to(device)
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# # # summary(dis, input_size=(16, 3, 256, 256))
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#############################################
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import torch
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import torch.nn as nn
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class RD_block(nn.Module):
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return self.act(self.conv(self.upsample(x)))
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class DRRRDBNet(nn.Module):
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def __init__(self, in_channels, out_channels, channels, growth_channels, upscale_factor, residual_beta):
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super(DRRRDBNet, self).__init__()
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self.conv1 = nn.Conv2d(in_channels, channels, kernel_size=3,
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stride=1, padding=1)
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self.res_block = nn.Sequential(*[RRD_block(channels, growth_channels, residual_beta) for _ in range(6)])
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self.res_block2 = nn.Sequential(*[RRD_block(channels, growth_channels, residual_beta) for _ in range(6)])
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self.res_block3 = nn.Sequential(*[RRD_block(channels, growth_channels, residual_beta) for _ in range(6)])
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self.res_block4 = nn.Sequential(*[RRD_block(channels, growth_channels, residual_beta) for _ in range(5)])
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self.dropout = nn.Dropout(0.1)
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self.conv2 = nn.Conv2d(channels, channels, kernel_size=3,
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stride=1, padding=1)
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self.upsample = nn.Sequential(
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UpsampleBlock(channels, upscale_factor), UpsampleBlock(channels, upscale_factor),
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)
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self.conv3 = nn.Sequential(
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nn.Conv2d(channels, channels, (3, 3), (1, 1), (1, 1)),
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nn.LeakyReLU(0.2, True),
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)
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self.conv4 = nn.Conv2d(channels, out_channels, (3, 3), (1, 1), (1, 1))
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def forward(self, x):
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out1 = self.conv1(x)
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t_out1 = self.res_block(out1)
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t_out2 = self.dropout(t_out1)
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t_out3 = self.res_block2(t_out2)
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t_out4 = self.dropout(t_out3)
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t_out5 = self.res_block3(t_out4)
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t_out6 = self.dropout(t_out5)
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out2 = self.conv2(self.res_block4(t_out6))
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out3 = torch.add(out2, out1)
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out4 = self.upsample(out3)
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out5 = self.conv3(out4)
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out = self.classifier(out)
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return out
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#############################################
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def weights_init(m):
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if isinstance(m, nn.Conv2d):
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m.weight.data *= 0.1
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if m.bias is not None:
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nn.init.constant_(m.bias, 0)
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