在pytorch中,对神经网络卷积层的权重怎么进行随机初始化?
class CNN(nn.Module):
def __init__(self):
super(CNN,self).__init__()
#定义卷积和全连接层
self.c1 = nn.Conv2d(1,6,(5,5))
self.c2 = nn.Conv2d(6,16,(5,5))
self.fc1 = nn.Linear(256,120)
self.fc2 = nn.Linear(120,84)
self.fc3 = nn.Linear(84,10)
def forward(self,x):
#全向方法
#x = F.max_pool2d(F.relu(self.c1(x)),2)
x = self.c1(x)
x = F.relu(x)
x = F.max_pool2d(x,2)
x = self.c2(x)
x = F.relu(x)
x = F.max_pool2d(x,2)
x = x.view(-1,self.num_flat_feature(x))
x = self.fc1(x)
x = F.relu(x)
x = self.fc2(x)
x = F.relu(x)
x = self.fc3(x)
return x
def num_flat_feature(self,x):
size = x.size()[1:]
num_features = 1
for s in size:
num_features *= s
return num_features