20 lines
645 B
Python

import torch
import torch.nn as nn
import numpy as np
import torchvision
from torchvision import datasets, models, transforms
class resnet18(nn.Module):
def __init__(self, num_classes):
super(resnet18, self).__init__()
self.model = models.resnet18(pretrained=False)
# replace the last FC layer by a FC layer for our model
num_ftrs = self.model.fc.in_features
self.model.fc = nn.Linear(num_ftrs, num_classes, bias=True)
nn.init.xavier_uniform_(self.model.fc.weight)
self.model.fc.bias.data.fill_(0.01)
def forward(self, x):
f = self.model(x)
return f