Remove editor module

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Andras Schmelczer 2024-06-22 18:37:24 +01:00
parent e5959268c1
commit c966866abc
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37 changed files with 7752 additions and 7345 deletions

76
src/models/__init__.py Normal file
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from typing import Any, Dict, Tuple
from .v1 import HistogramRestorationNet as v1
from .simple_cnn import SimpleCNN
from .residual import Residual
from .residual3 import Residual3
from .dummy import Dummy
import torch
import torch.nn as nn
from pathlib import Path
import logging
import json
MODELS = {
# "v1": v1,
"Dummy": Dummy,
"SimpleCNN": SimpleCNN,
"Residual": Residual,
"Residual3": Residual3,
}
def create_model(type: str, bin_count: int, device: torch.device) -> nn.Module:
return MODELS[type](bin_count).to(device)
def save_model(model: nn.Module, hyperparameters: Dict[str, Any], path: Path):
model_path = path.with_suffix(".pth")
params_path = path.with_suffix(".json")
logging.info(f"Saving model to {model_path}")
logging.info(f"Parameter count: {sum(p.numel() for p in model.parameters())}")
with open(model_path, "wb") as f:
torch.save(model.state_dict(), f)
with open(params_path, "w") as f:
json.dump(hyperparameters, f, indent=2)
def load_model(path: Path, device: torch.device) -> Tuple[nn.Module, Dict[str, Any]]:
logging.info(f"Loading model from {path}")
params_path = path.with_suffix(".json")
with open(params_path) as f:
hyperparameters = json.load(f)
logging.info(f"Hyperparameters: {hyperparameters}")
model_path = path.with_suffix(".pth")
model = create_model(
type=hyperparameters["model_type"],
bin_count=hyperparameters["bin_count"],
).to(device)
model.load_state_dict(torch.load(model_path))
model.eval()
logging.info(f"Parameter count: {sum(p.numel() for p in model.parameters())}")
return model, hyperparameters
def test_models():
for model_name, model_constructor in MODELS.items():
logging.info(f"Testing model {model_name}")
_test_network_dimensions(model_constructor)
def _test_network_dimensions(constructor):
for bin_count in [16, 32, 64]:
model = constructor()
# Create a dummy input tensor of the correct shape, the mini-batch size is 4
input_tensor = torch.rand(4, 1, bin_count, bin_count, bin_count)
output = model(input_tensor)
assert (
input_tensor.shape == output.shape
), f"Expected output shape {input_tensor.shape}, but got {output.shape}"
logging.info("Test passed! Output shape matches input shape.")

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src/models/dummy.py Normal file
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import torch.nn as nn
import torch.nn.functional as F
class Dummy(nn.Module):
def __init__(self, **_):
super(Dummy, self).__init__()
def forward(self, x):
return x

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src/models/residual.py Normal file
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import torch
import torch.nn as nn
class Residual(nn.Module):
def __init__(self, **_):
super(Residual, self).__init__()
# 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))
sum = torch.sum(out, dim=(2, 3, 4), keepdim=True)
return out / sum

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src/models/residual3.py Normal file
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import torch
import torch.nn as nn
class Residual3(nn.Module):
def __init__(
self,
elu_alpha: float = 1,
dropout_prob: float = 0.05,
features: list[int] = [16, 32, 64],
kernel_sizes: list[int] = [3, 3, 3],
use_instance_norm: bool = True,
use_elu: bool = True,
leaky_relu_alpha: float = 0.01,
**_
):
super(Residual3, self).__init__()
self._elu_alpha = elu_alpha
self._dropout_prob = dropout_prob
self._features = features
self._kernel_sizes = kernel_sizes
self._use_instance_norm = use_instance_norm
self._use_elu = use_elu
self._leaky_relu_alpha = leaky_relu_alpha
self.conv1 = self._make_conv_layer(1, features[0], kernel_sizes[0])
self.res1 = self._make_resblock(features[0], kernel_sizes[0])
self.conv2 = self._make_conv_layer(features[0], features[1], kernel_sizes[1])
self.res2 = self._make_resblock(features[1], kernel_sizes[1])
self.conv3 = self._make_conv_layer(features[1], features[2], kernel_sizes[2])
self.res3 = self._make_resblock(features[2], kernel_sizes[2])
self.deconv1 = self._make_deconv_layer(
features[2], features[1], kernel_sizes[2]
)
self.deconv2 = self._make_deconv_layer(
features[1], features[0], kernel_sizes[1]
)
self.deconv3 = self._make_deconv_layer(features[0], 1, kernel_sizes[0])
self._initialize_weights()
def _make_conv_layer(
self, in_channels: int, out_channels: int, kernel_size: int
) -> nn.Sequential:
return nn.Sequential(
nn.Conv3d(
in_channels=in_channels,
out_channels=out_channels,
kernel_size=kernel_size,
padding=1,
bias=False,
),
(
nn.ELU(self._elu_alpha)
if self._use_elu
else nn.LeakyReLU(self._leaky_relu_alpha)
),
(nn.InstanceNorm3d if self._use_instance_norm else nn.BatchNorm3d)(
out_channels
),
nn.Dropout(p=self._dropout_prob),
)
def _make_resblock(self, channels: int, kernel_size: int) -> nn.Sequential:
return nn.Sequential(
nn.Conv3d(
in_channels=channels,
out_channels=channels,
kernel_size=kernel_size,
padding=1,
bias=False,
),
(
nn.ELU(self._elu_alpha)
if self._use_elu
else nn.LeakyReLU(self._leaky_relu_alpha)(
nn.InstanceNorm3d if self._use_instance_norm else nn.BatchNorm3d
)(channels)
),
nn.Conv3d(
in_channels=channels,
out_channels=channels,
kernel_size=kernel_size,
padding=1,
bias=False,
),
(
nn.ELU(self._elu_alpha)
if self._use_elu
else nn.LeakyReLU(self._leaky_relu_alpha)
),
(nn.InstanceNorm3d if self._use_instance_norm else nn.BatchNorm3d)(
channels
),
)
def _make_deconv_layer(
self, in_channels: int, out_channels: int, kernel_size: int
) -> nn.Sequential:
return nn.Sequential(
nn.ConvTranspose3d(
in_channels=in_channels,
out_channels=out_channels,
kernel_size=kernel_size,
padding=1,
),
(
nn.ELU(self._elu_alpha)
if self._use_elu
else nn.LeakyReLU(self._leaky_relu_alpha)
),
)
def forward(self, x):
out = self.conv1(x)
out = out + self.res1(out)
out = self.conv2(out)
out = out + self.res2(out)
out = self.conv3(out)
out = out + self.res3(out)
out = self.deconv1(out)
out = self.deconv2(out)
out = self.deconv3(out)
return self._normalize(out)
def _normalize(self, x):
x_sum = torch.sum(x, dim=(2, 3, 4), keepdim=True)
return x / (x_sum + 1e-6)
def _initialize_weights(self):
for m in self.modules():
if isinstance(m, (nn.Conv3d, nn.ConvTranspose3d)):
# Applying He normal initialization
nn.init.kaiming_normal_(m.weight, mode="fan_in", nonlinearity="relu")
if m.bias is not None:
nn.init.constant_(m.bias, 0)

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src/models/simple_cnn.py Normal file
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import torch
import torch.nn as nn
import torch.nn.functional as F
class SimpleCNN(nn.Module):
def __init__(self, **_):
super(SimpleCNN, self).__init__()
# 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)
sum = torch.sum(x, dim=(2, 3, 4), keepdim=True)
return x / sum

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src/models/v1.py Normal file
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import torch.nn as nn
import torch.nn.functional as F
import torch
class HistogramRestorationNet(nn.Module):
def __init__(self, **_):
super(HistogramRestorationNet, self).__init__()
self.conv1 = nn.Conv3d(in_channels=1, out_channels=16, kernel_size=3, padding=1)
self.bn1 = nn.BatchNorm3d(16)
self.conv2 = nn.Conv3d(16, 32, 3, padding=1)
self.bn2 = nn.BatchNorm3d(32)
self.conv3 = nn.Conv3d(32, 64, 3, padding=1)
self.bn3 = nn.BatchNorm3d(64)
# Adjusted residual connections with proper downsampling and channel matching
self.res1 = nn.Sequential(
nn.Conv3d(16, 32, 1, stride=1, padding=0), # Match channels
nn.BatchNorm3d(32),
nn.MaxPool3d(2), # Downsample to match size
)
self.res2 = nn.Sequential(
nn.Conv3d(32, 64, 1, stride=1, padding=0), # Match channels
nn.BatchNorm3d(64),
nn.MaxPool3d(2), # Downsample to match size
)
self.fc1 = nn.Linear(64 * 4 * 4 * 4, 512)
self.fc_bn1 = nn.BatchNorm1d(512)
self.fc2 = nn.Linear(512, 32 * 32 * 32)
self.apply(HistogramRestorationNet._init_weights_he)
@staticmethod
def _init_weights_he(m):
if isinstance(m, nn.Linear) or isinstance(m, nn.Conv3d):
torch.nn.init.kaiming_uniform_(m.weight, nonlinearity="relu")
if m.bias is not None:
torch.nn.init.zeros_(m.bias)
def forward(self, x):
# Input dimensions: (batch_size, channels(1), 32, 32, 32)
x = F.relu(self.bn1(self.conv1(x)))
x = F.max_pool3d(x, 2)
# Apply first adjusted residual connection
res = self.res1(x)
x = F.relu(self.bn2(self.conv2(x)))
x = F.max_pool3d(x, 2)
x += res # Add adjusted residual
# Apply second adjusted residual connection
res = self.res2(x)
x = F.relu(self.bn3(self.conv3(x)))
x = F.max_pool3d(x, 2)
x += res # Add adjusted residual
# Flatten for fully connected layers
x = x.view(x.size(0), -1)
x = F.relu(self.fc_bn1(self.fc1(x)))
x = self.fc2(x)
# Reshape back to the histogram shape
x = x.view(-1, 32, 32, 32)
x /= torch.sum(x, (1, 2, 3)).view(x.size()[0], 1, 1, 1)
return x