提交__init__文件,和网络文件

This commit is contained in:
zhanghuan
2025-09-10 15:35:41 +08:00
parent 97401e908a
commit d9057edbd9
4 changed files with 97 additions and 2 deletions
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/dataset/
/demo/cifar_net103.pth
/demo/data/
/.idea/
/model/
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"""
食物分类网络模型包
"""
from .food_net import FoodCNN, create_food_cnn
__all__ = ['FoodCNN', 'create_food_cnn']
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import torch
import torch.nn as nn
import torch.nn.functional as F
class FoodCNN(nn.Module):
"""
食物分类CNN模型
基于CIFAR10结构,适配3分类任务
"""
def __init__(self):
super(FoodCNN, self).__init__()
# 第一个卷积块
self.conv1 = nn.Conv2d(3, 32, 3, padding=1)
self.conv2 = nn.Conv2d(32, 32, 3, padding=1)
self.pool1 = nn.MaxPool2d(2, 2)
self.dropout1 = nn.Dropout2d(0.25)
# 第二个卷积块
self.conv3 = nn.Conv2d(32, 64, 3, padding=1)
self.conv4 = nn.Conv2d(64, 64, 3, padding=1)
self.pool2 = nn.MaxPool2d(2, 2)
self.dropout2 = nn.Dropout2d(0.25)
# 第三个卷积块
self.conv5 = nn.Conv2d(64, 128, 3, padding=1)
self.conv6 = nn.Conv2d(128, 128, 3, padding=1)
self.pool3 = nn.MaxPool2d(2, 2)
self.dropout3 = nn.Dropout2d(0.25)
# 全连接层
self.fc1 = nn.Linear(128 * 4 * 4, 512)
self.dropout4 = nn.Dropout(0.5)
self.fc2 = nn.Linear(512, 3) # 3分类
def forward(self, x):
# 第一个卷积块
x = F.relu(self.conv1(x))
x = F.relu(self.conv2(x))
x = self.pool1(x)
x = self.dropout1(x)
# 第二个卷积块
x = F.relu(self.conv3(x))
x = F.relu(self.conv4(x))
x = self.pool2(x)
x = self.dropout2(x)
# 第三个卷积块
x = F.relu(self.conv5(x))
x = F.relu(self.conv6(x))
x = self.pool3(x)
x = self.dropout3(x)
# 展平
x = x.view(-1, 128 * 4 * 4)
# 全连接层
x = F.relu(self.fc1(x))
x = self.dropout4(x)
x = self.fc2(x)
return x
def create_food_cnn():
"""
创建食物分类CNN模型
Returns:
FoodCNN: 网络模型实例
"""
return FoodCNN()
if __name__ == "__main__":
# 测试网络
model = create_food_cnn()
print(f"模型参数数量: {sum(p.numel() for p in model.parameters() if p.requires_grad)}")
# 测试前向传播
dummy_input = torch.randn(1, 3, 32, 32)
output = model(dummy_input)
print(f"输出形状: {output.shape}")
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"""
配置包
"""
from .settings import *