Created
January 5, 2018 16:44
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modified Alexnet
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class AlexNet(nn.Module): | |
def __init__(self, num_classes=1000): | |
super(AlexNet, self).__init__() | |
self.features = nn.Sequential( | |
nn.Conv2d(3, 64, kernel_size=11, stride=4, padding=2), | |
nn.ReLU(inplace=True), | |
nn.MaxPool2d(kernel_size=3, stride=2), | |
nn.Conv2d(64, 192, kernel_size=5, padding=2), | |
nn.ReLU(inplace=True), | |
nn.MaxPool2d(kernel_size=3, stride=2), | |
nn.Conv2d(192, 384, kernel_size=3, padding=1), | |
nn.ReLU(inplace=True), | |
nn.Conv2d(384, 256, kernel_size=3, padding=1), | |
nn.ReLU(inplace=True), | |
nn.Conv2d(256, 256, kernel_size=3, padding=1), | |
nn.ReLU(inplace=True), | |
nn.MaxPool2d(kernel_size=3, stride=2), | |
) | |
self.fc1 = nn.Linear(256 * 6 * 6, 4096) | |
self.fc2 = nn.Linear(4096, 4096) | |
self.fc3 = nn.Linear(4096, num_classes) | |
self.relu1 = nn.ReLU() | |
self.relu2 = nn.ReLU() | |
def forward(self, x): | |
x = self.features(x) | |
x = x.view(x.size(0), 256 * 6 * 6) | |
x = F.dropout(x) | |
x = self.fc1(x) | |
x = self.relu1(x) | |
x = F.dropout(x) | |
x = self.fc2(x) | |
x = self.relu2(x) | |
x = self.fc3(x) | |
# x = self.classifier(x) | |
return x | |
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