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@@ -5,11 +5,12 @@
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# Created Date: Sunday January 16th 2022
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# Author: Chen Xuanhong
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# Email: chenxuanhongzju@outlook.com
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# Last Modified: Tuesday, 15th February 2022 12:52:22 pm
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# Last Modified: Thursday, 17th February 2022 2:06:09 am
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# Modified By: Chen Xuanhong
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# Copyright (c) 2022 Shanghai Jiao Tong University
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#############################################################
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from audioop import bias
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import torch
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from torch import nn
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from components.DeConv_Depthwise import DeConv
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@@ -59,7 +60,7 @@ class Modulation(nn.Module):
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return x
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class ResnetBlock_Modulation(nn.Module):
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def __init__(self, dim, latent_size, padding_type, activation=nn.ReLU(True)):
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def __init__(self, dim, latent_size, padding_type, activation=nn.ReLU(True),res_mode="depthwise"):
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super(ResnetBlock_Modulation, self).__init__()
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p = 0
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@@ -72,7 +73,12 @@ class ResnetBlock_Modulation(nn.Module):
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p = 1
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else:
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raise NotImplementedError('padding [%s] is not implemented' % padding_type)
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conv1 += [nn.Conv2d(dim, dim, kernel_size=3, padding = p), Demodule()]
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if res_mode.lower() == "conv":
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conv1 += [nn.Conv2d(dim, dim, kernel_size=3, padding = p), Demodule()]
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elif res_mode.lower() == "depthwise":
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conv1 += [nn.Conv2d(dim, dim, kernel_size=3, padding=p,groups=dim, bias=False),
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nn.Conv2d(dim, dim, kernel_size=1),
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Demodule()]
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self.conv1 = nn.Sequential(*conv1)
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self.style1 = Modulation(latent_size, dim)
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self.act1 = activation
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@@ -87,17 +93,25 @@ class ResnetBlock_Modulation(nn.Module):
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p = 1
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else:
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raise NotImplementedError('padding [%s] is not implemented' % padding_type)
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conv2 += [nn.Conv2d(dim, dim, kernel_size=3, padding=p), Demodule()]
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if res_mode.lower() == "conv":
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conv2 += [nn.Conv2d(dim, dim, kernel_size=3, padding=p), Demodule()]
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elif res_mode.lower() == "depthwise":
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conv2 += [nn.Conv2d(dim, dim, kernel_size=3, padding=p,groups=dim, bias=False),
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nn.Conv2d(dim, dim, kernel_size=1),
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Demodule()]
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self.conv2 = nn.Sequential(*conv2)
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self.style2 = Modulation(latent_size, dim)
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def forward(self, x, dlatents_in_slice):
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y = self.conv1(x)
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y = self.style1(y, dlatents_in_slice)
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y = self.style1(x, dlatents_in_slice)
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y = self.conv1(y)
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y = self.act1(y)
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y = self.conv2(y)
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y = self.style2(y, dlatents_in_slice)
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y = self.conv2(y)
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out = x + y
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return out
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@@ -112,6 +126,8 @@ class Generator(nn.Module):
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k_size = kwargs["g_kernel_size"]
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res_num = kwargs["res_num"]
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in_channel = kwargs["in_channel"]
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up_mode = kwargs["up_mode"]
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res_mode = kwargs["res_mode"]
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padding_size= int((k_size -1)/2)
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padding_type= 'reflect'
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@@ -121,52 +137,62 @@ class Generator(nn.Module):
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# self.first_layer = nn.Sequential(nn.ReflectionPad2d(3), nn.Conv2d(3, 64, kernel_size=7, padding=0, bias=False),
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# nn.BatchNorm2d(64), activation)
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self.first_layer = nn.Sequential(nn.ReflectionPad2d(1),
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nn.Conv2d(3, in_channel, kernel_size=3, padding=0, bias=False),
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nn.BatchNorm2d(in_channel), activation)
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nn.Conv2d(3, in_channel, kernel_size=3, padding=0, bias=False),
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nn.BatchNorm2d(in_channel),
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activation)
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# self.first_layer = nn.Sequential(nn.Conv2d(3, 64, kernel_size=3, padding=1, bias=False),
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# nn.BatchNorm2d(64), activation)
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### downsample
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self.down1 = nn.Sequential(nn.Conv2d(in_channel, in_channel, kernel_size=3, groups=in_channel, padding=1, stride=2),
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nn.Conv2d(in_channel, in_channel*2, kernel_size=1, bias=False),
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nn.BatchNorm2d(in_channel*2), activation)
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nn.BatchNorm2d(in_channel*2),
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activation)
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self.down2 = nn.Sequential(nn.Conv2d(in_channel*2, in_channel*2, kernel_size=3, groups=in_channel*2, padding=1, stride=2),
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nn.Conv2d(in_channel*2, in_channel*4, kernel_size=1, bias=False),
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nn.BatchNorm2d(in_channel*4), activation)
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nn.BatchNorm2d(in_channel*4),
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activation)
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self.down3 = nn.Sequential(nn.Conv2d(in_channel*4, in_channel*4, kernel_size=3, groups=in_channel*4, padding=1, stride=2),
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nn.Conv2d(in_channel*4, in_channel*8, kernel_size=1, bias=False),
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nn.BatchNorm2d(in_channel*8), activation)
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nn.BatchNorm2d(in_channel*8),
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activation)
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self.down4 = nn.Sequential(nn.Conv2d(in_channel*8, in_channel*8, kernel_size=3, groups=in_channel*8, padding=1, stride=2),
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nn.Conv2d(in_channel*8, in_channel*8, kernel_size=1, bias=False),
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nn.BatchNorm2d(in_channel*8), activation)
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nn.BatchNorm2d(in_channel*8),
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activation)
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### resnet blocks
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BN = []
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for i in range(res_num):
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BN += [
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ResnetBlock_Modulation(in_channel*8, latent_size=id_dim, padding_type=padding_type, activation=activation)]
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ResnetBlock_Modulation(in_channel*8, latent_size=id_dim,
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padding_type=padding_type, activation=activation, res_mode=res_mode)]
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self.BottleNeck = nn.Sequential(*BN)
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self.up4 = nn.Sequential(
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DeConv(in_channel*8,in_channel*8,3),
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nn.BatchNorm2d(in_channel*8), activation
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DeConv(in_channel*8,in_channel*8,3,up_mode=up_mode),
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nn.BatchNorm2d(in_channel*8),
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activation
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)
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self.up3 = nn.Sequential(
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DeConv(in_channel*8,in_channel*4,3),
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nn.BatchNorm2d(in_channel*4), activation
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DeConv(in_channel*8,in_channel*4,3,up_mode=up_mode),
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nn.BatchNorm2d(in_channel*4),
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activation
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)
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self.up2 = nn.Sequential(
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DeConv(in_channel*4,in_channel*2,3),
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nn.BatchNorm2d(in_channel*2), activation
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DeConv(in_channel*4,in_channel*2,3,up_mode=up_mode),
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nn.BatchNorm2d(in_channel*2),
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activation
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)
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self.up1 = nn.Sequential(
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DeConv(in_channel*2,in_channel,3),
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nn.BatchNorm2d(in_channel), activation
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DeConv(in_channel*2,in_channel,3,up_mode=up_mode),
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nn.BatchNorm2d(in_channel),
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activation
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)
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# self.last_layer = nn.Sequential(nn.Conv2d(64, 3, kernel_size=3, padding=1))
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self.last_layer = nn.Sequential(nn.ReflectionPad2d(1),
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