Add models

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Andras Schmelczer 2024-05-12 21:59:32 +01:00
parent 09aceae9d4
commit bd7033c3eb
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9 changed files with 490 additions and 76 deletions

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from .create_model import create_model
from .v1 import HistogramRestorationNet as v1
from .simple_cnn import SimpleCNN
from .residual import Residual
from .normalised_cnn import NormalisedCNN
from .smart_res import SmartRes
from .attention_net import AttentionNet
from .res2 import Res2
def create_model(type: str, bin_count: int):
return {
# "v1": v1,
"SimpleCNN": SimpleCNN,
"Residual": Residual,
"NormalisedCNN": NormalisedCNN,
"SmartRes": SmartRes,
"AttentionNet": AttentionNet,
"Res2": Res2,
}[type](bin_count)

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import torch
import torch.nn as nn
# Define the self-attention module
class SelfAttention(nn.Module):
def __init__(self, channels):
super(SelfAttention, self).__init__()
self.query_conv = nn.Conv3d(channels, channels // 8, kernel_size=1)
self.key_conv = nn.Conv3d(channels, channels // 8, kernel_size=1)
self.value_conv = nn.Conv3d(channels, channels, kernel_size=1)
self.softmax = nn.Softmax(dim=-1)
def forward(self, x):
batch_size, channels, depth, height, width = x.size()
query = (
self.query_conv(x)
.view(batch_size, -1, depth * height * width)
.permute(0, 2, 1)
)
key = self.key_conv(x).view(batch_size, -1, depth * height * width)
value = self.value_conv(x).view(batch_size, -1, depth * height * width)
attention = self.softmax(torch.bmm(query, key)) # Batch matrix multiplication
out = torch.bmm(value, attention.permute(0, 2, 1))
out = out.view(batch_size, channels, depth, height, width)
return x + out
# Define the residual block
class ResidualBlock(nn.Module):
def __init__(self, channels):
super(ResidualBlock, self).__init__()
self.conv = nn.Sequential(
nn.Conv3d(channels, channels, kernel_size=3, padding=1),
nn.BatchNorm3d(channels),
nn.ReLU(inplace=True),
nn.Conv3d(channels, channels, kernel_size=3, padding=1),
nn.BatchNorm3d(channels),
)
self.attention = SelfAttention(channels)
def forward(self, x):
return self.attention(self.conv(x)) + x
# Define the network
class AttentionNet(nn.Module):
def __init__(self, bin_count):
super(AttentionNet, self).__init__()
self.input_layer = nn.Sequential(
nn.Conv3d(1, 16, kernel_size=3, padding=1),
nn.ReLU(inplace=True),
nn.BatchNorm3d(16),
)
self.res_blocks = nn.Sequential(ResidualBlock(16), ResidualBlock(16))
self.output_layer = nn.Conv3d(16, 1, kernel_size=3, padding=1)
def forward(self, x):
x = self.input_layer(x)
x = self.res_blocks(x)
x = self.output_layer(x)
return x

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from .v1 import HistogramRestorationNet as v1
def create_model(type: str, bin_count: int):
return {"v1": v1}[type](bin_count)

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import torch.nn as nn
import torch.nn.functional as F
class NormalisedCNN(nn.Module):
def __init__(self, bin_count):
super(NormalisedCNN, self).__init__()
self.bin_count = bin_count
# Define the layers of the neural network
self.conv1 = nn.Conv3d(1, 16, kernel_size=3, padding=1)
self.bn1 = nn.BatchNorm3d(16)
self.conv2 = nn.Conv3d(16, 32, kernel_size=3, padding=1)
self.bn2 = nn.BatchNorm3d(32)
self.conv3 = nn.Conv3d(32, 64, kernel_size=3, padding=1)
self.bn3 = nn.BatchNorm3d(64)
self.conv4 = nn.Conv3d(64, 32, kernel_size=3, padding=1)
self.bn4 = nn.BatchNorm3d(32)
self.conv5 = nn.Conv3d(32, 16, kernel_size=3, padding=1)
self.bn5 = nn.BatchNorm3d(16)
self.conv6 = nn.Conv3d(16, 1, kernel_size=3, padding=1)
def forward(self, x):
x = x.view(
-1, 1, self.bin_count, self.bin_count, self.bin_count
) # Reshape input to (N, C, D, H, W)
x = F.relu(self.bn1(self.conv1(x)))
x = F.relu(self.bn2(self.conv2(x)))
x = F.relu(self.bn3(self.conv3(x)))
x = F.relu(self.bn4(self.conv4(x)))
x = F.relu(self.bn5(self.conv5(x)))
x = self.conv6(x)
return x

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src/editor/models/res2.py Normal file
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import torch.nn as nn
class ResidualBlock(nn.Module):
def __init__(self, channels):
super(ResidualBlock, self).__init__()
self.conv = nn.Sequential(
nn.Conv3d(channels, channels, kernel_size=3, padding=1),
nn.BatchNorm3d(channels),
nn.ReLU(inplace=True),
nn.Conv3d(channels, channels, kernel_size=3, padding=1),
nn.BatchNorm3d(channels),
)
def forward(self, x):
return self.conv(x) + x
# Define the network
class Res2(nn.Module):
def __init__(self, bin_count):
super(Res2, self).__init__()
self.input_layer = nn.Sequential(
nn.Conv3d(1, 16, kernel_size=3, padding=1),
nn.ReLU(inplace=True),
nn.BatchNorm3d(16),
)
self.res_blocks = nn.Sequential(
ResidualBlock(16), ResidualBlock(16), ResidualBlock(16), ResidualBlock(16)
)
self.output_layer = nn.Conv3d(16, 1, kernel_size=3, padding=1)
def forward(self, x):
x = self.input_layer(x)
x = self.res_blocks(x)
x = self.output_layer(x)
return x

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import torch.nn as nn
class Residual(nn.Module):
def __init__(self, bin_count: int):
super(Residual, self).__init__()
self.bin_count = bin_count
# Assuming the input histograms are 3D tensors of shape (bin_count, bin_count, bin_count)
# Convolutional layers to extract features from the histograms
self.conv1 = nn.Conv3d(1, 16, kernel_size=3, padding=1)
self.conv2 = nn.Conv3d(16, 32, kernel_size=3, padding=1)
self.conv3 = nn.Conv3d(32, 64, kernel_size=3, padding=1)
# Batch normalization layers for better convergence
self.bn1 = nn.BatchNorm3d(16)
self.bn2 = nn.BatchNorm3d(32)
self.bn3 = nn.BatchNorm3d(64)
# Residual block to help the network learn identity functions effectively
self.resblock1 = nn.Sequential(
nn.Conv3d(64, 64, kernel_size=3, padding=1, bias=False),
nn.BatchNorm3d(64),
nn.ReLU(inplace=True),
nn.Conv3d(64, 64, kernel_size=3, padding=1, bias=False),
nn.BatchNorm3d(64),
)
# ReLU activation
self.relu = nn.ReLU(inplace=True)
self.deconv1 = nn.ConvTranspose3d(64, 32, kernel_size=3, stride=1, padding=1)
self.deconv2 = nn.ConvTranspose3d(32, 16, kernel_size=3, stride=1, padding=1)
self.deconv3 = nn.ConvTranspose3d(16, 1, kernel_size=3, stride=1, padding=1)
def forward(self, x):
x = self.relu(self.bn1(self.conv1(x)))
x = self.relu(self.bn2(self.conv2(x)))
x = self.relu(self.bn3(self.conv3(x)))
# Apply residual blocks
residual = x
out = self.resblock1(x)
out += residual
out = self.relu(out)
# Upsample to original size
out = self.relu(self.deconv1(out))
out = self.relu(self.deconv2(out))
out = self.relu(self.deconv3(out))
return out

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import torch.nn as nn
import torch.nn.functional as F
class SimpleCNN(nn.Module):
def __init__(self, bin_count):
super(SimpleCNN, self).__init__()
self.bin_count = bin_count
# Define the convolutional layers
self.conv1 = nn.Conv3d(
1, 16, kernel_size=3, padding=1
) # input channels = 1, output channels = 16
self.conv2 = nn.Conv3d(
16, 32, kernel_size=3, padding=1
) # input channels = 16, output channels = 32
self.conv3 = nn.Conv3d(
32, 64, kernel_size=3, padding=1
) # input channels = 32, output channels = 64
self.conv4 = nn.Conv3d(
64, 32, kernel_size=3, padding=1
) # input channels = 64, output channels = 32
self.conv5 = nn.Conv3d(
32, 16, kernel_size=3, padding=1
) # input channels = 32, output channels = 16
self.conv6 = nn.Conv3d(
16, 1, kernel_size=3, padding=1
) # input channels = 16, output channels = 1
def forward(self, x):
x = F.relu(self.conv1(x))
x = F.relu(self.conv2(x))
x = F.relu(self.conv3(x))
x = F.relu(self.conv4(x))
x = F.relu(self.conv5(x))
x = self.conv6(x)
return x

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import torch.nn as nn
import torch.nn.functional as F
class ResidualBlock(nn.Module):
def __init__(self, channels):
super(ResidualBlock, self).__init__()
self.conv1 = nn.Conv3d(channels, channels, kernel_size=3, padding=1)
self.bn1 = nn.BatchNorm3d(channels)
self.conv2 = nn.Conv3d(channels, channels, kernel_size=3, padding=1)
self.bn2 = nn.BatchNorm3d(channels)
def forward(self, x):
identity = x
out = F.relu(self.bn1(self.conv1(x)))
out = self.bn2(self.conv2(out))
out += identity
return F.relu(out)
class SmartRes(nn.Module):
def __init__(self, bin_count):
super(SmartRes, self).__init__()
self.bin_count = bin_count
self.initial_conv = nn.Conv3d(1, 16, kernel_size=3, padding=1)
self.bn0 = nn.BatchNorm3d(16)
self.resblock1 = ResidualBlock(16)
self.resblock2 = ResidualBlock(16)
self.conv2 = nn.Conv3d(16, 32, kernel_size=3, padding=1)
self.bn2 = nn.BatchNorm3d(32)
self.dilated_conv = nn.Conv3d(32, 32, kernel_size=3, padding=2, dilation=2)
self.bn_dilated = nn.BatchNorm3d(32)
self.final_conv = nn.Conv3d(32, 1, kernel_size=3, padding=1)
def forward(self, x):
x = F.relu(self.bn0(self.initial_conv(x)))
x = self.resblock1(x)
x = self.resblock2(x)
x = F.relu(self.bn2(self.conv2(x)))
x = F.relu(self.bn_dilated(self.dilated_conv(x)))
x = self.final_conv(x)
return x