python-3.x - 在 keras 中获取权重
问题描述
当我试图get_weights
在 keras 中获取 CNN 图层的权重时,它会导致错误并说:“张量”对象没有属性“权重”。我看到了 keras 文档,它说使用get_weights
命令来处理权重。所以我不知道它有什么问题。我也使用 keras 2.2.4
这是我的代码的一部分:
input_layer = Input(shape=(32,32,3))
conv1 = Conv2D(32,(5,5), activation='relu', padding='same')(input_layer)
conv2 = Conv2D(32,(5,5), activation='relu', padding='same')(conv1)
maxpool1 = MaxPool2D(pool_size=2, padding='same')(conv2)
conv3 = Conv2D(32,(5,5), activation='relu', padding='same')(maxpool1)
conv4 = Conv2D(32,(5,5), activation='relu', padding='same')(conv3)
maxpool2 = MaxPool2D(pool_size=2, padding='same')(conv4)
conv5 = Conv2D(32,(5,5), activation='relu', padding='same')(maxpool2)
flatten1 = Flatten()(conv5)
dense1 = Dense(128, kernel_initializer='random_normal', bias_initializer='zeros')(flatten1)
dense2 = Dense(128,kernel_initializer='random_normal', bias_initializer='zeros')(dense1)
output_layer = Dense(10,activation='softmax',kernel_initializer='random_normal', bias_initializer='zeros')(dense2)
Cifar10_CNN = Model(input_layer, output_layer)
print(Cifar10_CNN.summary())
Cifar10_CNN.compile(optimizer=Adam(lr=0.0001), loss=categorical_crossentropy, metrics=['accuracy'])
conv1_weight_visualization = conv1.get_weights()
plt.imshow(conv1_weight_visualization)
解决方案
for layer in Cifar10_CNN.layers:
print(layer.name, np.array(layer.get_weights()))
您可以像这样获得每一层的权重。