图像分类算法篇--基于LeNet的手写体数字识别

1、加载数据from tensorflow import keras# 加载数据(X_train_full, y_train_full), (X_test, y_test) = keras.datasets.fashion_mnist.load_data()X_train, X_valid = X_train_full[:-5000], X_train_full[-5000:]y_train, y_valid = y_train_full[:-5000], y_train_full[-50