js_reverse/ayf_ocr/03数据加载-模型等API介绍/图片数据标准化处理.py
2023-05-26 13:34:44 +08:00

19 lines
473 B
Python

from torchvision.datasets import MNIST
from torchvision import transforms
from torch.utils.data import DataLoader
# 图片标准化处理目的就是提高识别准确度
my_transforms = transforms.Compose(
[
transforms.PILToTensor(),
]
)
mnist_train = MNIST(root="./MNIST_data", train=True, download=True, transform=my_transforms)
a = DataLoader(mnist_train, batch_size=1, shuffle=True)
for img, labels in a:
print(img)
print(labels)
exit()