import torch
import torch.nn.init as init
import io
import numpy as np
from torch import nn
import torch.utils.model_zoo as model_zoo
import torch.onnx
class SuperResolutionNet(nn.Module):
def __init__(self, upscale_factor, inplace=False):
super(SuperResolutionNet, self).__init__()
self.relu = nn.ReLU(inplace=inplace)
self.conv1 = nn.Conv2d(1, 64, (5, 5), (1, 1), (2, 2))
self.conv2 = nn.Conv2d(64, 64, (3, 3), (1, 1), (1, 1))
self.conv3 = nn.Conv2d(64, 32, (3, 3), (1, 1), (1, 1))
self.conv4 = nn.Conv2d(32, upscale_factor ** 2, (3, 3), (1, 1), (1, 1))
self.pixel_shuffle = nn.PixelShuffle(upscale_factor)
self._initialize_weights()
def forward(self, x):
x = self.relu(self.conv1(x))
x = self.relu(self.conv2(x))
x = self.relu(self.conv3(x))
x = self.pixel_shuffle(self.conv4(x))
return x
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