人工智能学习时间

import tensorflow as tf
from tensorflow.keras import layers, models

# 构建一个简单的卷积神经网络
model = models.Sequential([
    layers.Conv2D(32, (3, 3), activation='relu', input_shape=(64, 64, 3)),
    layers.MaxPooling2D((2, 2)),
    layers.Conv2D(64, (3, 3), activation='relu'),
    layers.MaxPooling2D((2, 2)),
    layers.Conv2D(64, (3, 3), activation='relu'),
    layers.Flatten(),
    layers.Dense(64, activation='relu'),
    layers.Dense(10, activation='softmax')
])

# 编译模型
model.compile(optimizer='adam',
              loss='sparse_categorical_crossentropy',
              metrics=['accuracy'])

# 加载数据
(train_images, train_labels), (test_images, test_labels) = tf.keras.datasets.cifar10.load_data()

# 数据预处理
train_images, test_images = train_images / 255.0, test_images / 255.0

# 训练模型
model.fit(train_images, train_labels, epochs=10, batch_size=64, validation_data=(test_images, test_labels))