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PyTorch快速入门教程【小土堆】之完整模型验证套路

article 2025/1/10 1:45:22

视频地址完整的模型验证套路_哔哩哔哩_bilibili

import torch
import torchvision
from PIL import Image
from torch import nn

image_path = "images/plane.png"
image = Image.open(image_path)
print(image)
transform = torchvision.transforms.Compose([torchvision.transforms.Resize((32, 32)), torchvision.transforms.ToTensor()])
image = transform(image)
print(image.shape)


class Tudui(nn.Module):
    def __init__(self):
        super(Tudui, self).__init__()
        self.model = nn.Sequential(
            nn.Conv2d(3, 32, 5, 1, 2),
            nn.MaxPool2d(2),
            nn.Conv2d(32, 32, 5, 1, 2),
            nn.MaxPool2d(2),
            nn.Conv2d(32, 64, 5, 1, 2),
            nn.MaxPool2d(2),
            nn.Flatten(),
            nn.Linear(64 * 4 * 4, 64),
            nn.Linear(64, 10)
        )

    def forward(self, x):
        x = self.model(x)
        return x


model = torch.load("tudui_29.pth",map_location=torch.device('cpu'))
image = torch.reshape(image, (1, 3, 32, 32))
model.eval()
with torch.no_grad():
    output = model(image)
print(output)
print(output.argmax(1))

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