update code and readme

This commit is contained in:
JiageWang
2019-08-24 21:26:38 +08:00
parent 90ef0ab210
commit 2ffcef9ac7
2 changed files with 1 additions and 55 deletions

View File

@@ -84,57 +84,3 @@ class ConvNet(nn.Module):
m.weight.data.normal_(0, 0.01)
m.bias.data.zero_()
class ConvNet2(nn.Module):
def __init__(self, num_classes):
super(ConvNet2, self).__init__()
self.features = nn.Sequential(
nn.Conv2d(3, 64, kernel_size=3, stride=1, padding=1),
nn.LeakyReLU(inplace=True),
nn.MaxPool2d(kernel_size=2, stride=2),
nn.Conv2d(64, 128, kernel_size=3, stride=1, padding=1),
nn.Conv2d(128, 128, kernel_size=3, stride=1, padding=1),
nn.LeakyReLU(inplace=True),
nn.MaxPool2d(kernel_size=2, stride=2),
nn.Conv2d(128, 256, kernel_size=3, stride=1, padding=1),
nn.Conv2d(256, 256, kernel_size=3, stride=1, padding=1),
nn.LeakyReLU(inplace=True),
nn.MaxPool2d(kernel_size=2, stride=2),
nn.Conv2d(256, 512, kernel_size=3, stride=1, padding=1),
nn.LeakyReLU(inplace=True),
nn.MaxPool2d(kernel_size=2, stride=2),
)
self.classifier = nn.Sequential(
nn.Linear(512*4*4, 4096),
# nn.Dropout(),
nn.ReLU(inplace=True),
nn.Linear(4096, num_classes),
)
self.weight_init()
def forward(self, x):
x = self.features(x)
x = x.view(x.size(0), -1)
x = self.classifier(x)
return x
def weight_init(self):
for layer in self.features:
self._layer_init(layer)
for layer in self.classifier:
self._layer_init(layer)
def _layer_init(self, m):
# 使用isinstance来判断m属于什么类型
if isinstance(m, nn.Conv2d):
n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels
m.weight.data.normal_(0, np.sqrt(2. / n))
elif isinstance(m, nn.BatchNorm2d):
# m中的weightbias其实都是Variable为了能学习参数以及后向传播
m.weight.data.fill_(1)
m.bias.data.zero_()
elif isinstance(m, nn.Linear):
# n = m.weight.size(1)
m.weight.data.normal_(0, 0.01)
m.bias.data.zero_()
# init.xavier_normal_(m.weight)

View File

@@ -97,7 +97,7 @@ if __name__ == "__main__":
print("测试集数据:", dataset.test_size)
trainloader, testloader = dataset.get_loader(batch_size)
net = ConvNet2(num_classes)
net = ConvNet(num_classes)
print('网络结构:\n', net)
if torch.cuda.is_available():
net = net.cuda()