Python keras型号不接受Numpy阵列
给出输出Python keras型号不接受Numpy阵列,python,tensorflow,keras,neural-network,conv-neural-network,Python,Tensorflow,Keras,Neural Network,Conv Neural Network,给出输出 print(x_train.shape) model.fit(x_train, y_train, epochs=15, batch_size=10) 一个示例输入是包含5个图像的numpy数组。 我应该如何更改/预处理我的输入以使其工作 编辑: 我的Keras模型目前是一个单一的3d Conv网络 (1020, 224, 224, 3, 5) Error when checking target:expected conv3d_11 to have 5 dimensions, but
print(x_train.shape)
model.fit(x_train, y_train, epochs=15, batch_size=10)
一个示例输入是包含5个图像的numpy数组。
我应该如何更改/预处理我的输入以使其工作
编辑:
我的Keras模型目前是一个单一的3d Conv网络
(1020, 224, 224, 3, 5)
Error when checking target:expected conv3d_11 to have 5 dimensions, but got array with shape (1020, 1)
仍然得到相同的错误。
此外,尺寸说明:
1020:样本数量,
224x224x3:单个图像尺寸,
5:示例中的图像数,请参考下面的示例代码以实现Conv3D
input_shape = (224, 224, 3, 5)
model = Sequential([
Conv3D(64, (3, 3, 1), input_shape=input_shape, padding='same', activation='relu', data_format='channels_last')
])
输出:
import tensorflow as tf
from tensorflow.keras.models import Sequential
from tensorflow.keras.layers import Dense, Dropout, Activation, Flatten
from tensorflow.keras.layers import Conv3D, MaxPooling3D, BatchNormalization
import numpy as np
input_shape=(224, 224, 3, 5)
model = Sequential()
#C1
model.add(Conv3D(16, (3, 3, 1), strides=(1, 2, 2), padding='same',activation='relu',data_format= "channels_first", input_shape=input_shape))
model.add(MaxPooling3D(pool_size=(1, 2, 2),data_format= "channels_first", padding='same'))
model.add(BatchNormalization())
#C2
model.add(Conv3D(32, (3, 3, 1), strides=(1, 1, 1), padding='same',data_format= "channels_first", activation='relu'))
model.add(MaxPooling3D(pool_size=(1, 2, 2),data_format= "channels_first", padding='same'))
model.add(BatchNormalization())
#C3
model.add(Conv3D(64, (3, 3, 1), strides=(1, 1, 1), padding='same',data_format= "channels_first", activation='relu'))
model.add(MaxPooling3D(pool_size=(1, 2, 2), data_format= "channels_first", padding='same'))
model.add(BatchNormalization())
model.add(Flatten())
model.add(Dropout(0.5))
model.add(Dense(256, activation='sigmoid'))
model.add(Dropout(0.5))
model.add(Dense(2, activation='softmax'))
opt_adam = tf.keras.optimizers.Adam(lr=0.00001, beta_1=0.9, beta_2=0.999, epsilon=1e-08, decay=0.0)
model.compile(loss='categorical_crossentropy', optimizer=opt_adam, metrics=['accuracy'])
print(model.summary())
似乎
conv3d_11
不是您的第一层。在正向传播过程中,张量的形状可能发生了变化。也许您可以向我们展示您的整个Keras模型x_train是什么样的数据?我猜你是在尝试用图像数据进行训练,那么每个维度应该意味着什么呢?224、224为3个通道的宽度和高度。5和1020是什么意思?我建议将您的数据重塑为(510202242243)向我们展示模型..从Model=Sequential()开始。。或者类似的东西用所有询问的信息更新了问题快速问题:您是在阅读图像还是只是将字符串(可能是图像名称)传递到第一层?
Model: "sequential"
_________________________________________________________________
Layer (type) Output Shape Param #
=================================================================
conv3d (Conv3D) (None, 16, 224, 2, 3) 32272
_________________________________________________________________
max_pooling3d (MaxPooling3D) (None, 16, 224, 1, 2) 0
_________________________________________________________________
batch_normalization (BatchNo (None, 16, 224, 1, 2) 8
_________________________________________________________________
conv3d_1 (Conv3D) (None, 32, 224, 1, 2) 4640
_________________________________________________________________
max_pooling3d_1 (MaxPooling3 (None, 32, 224, 1, 1) 0
_________________________________________________________________
batch_normalization_1 (Batch (None, 32, 224, 1, 1) 4
_________________________________________________________________
conv3d_2 (Conv3D) (None, 64, 224, 1, 1) 18496
_________________________________________________________________
max_pooling3d_2 (MaxPooling3 (None, 64, 224, 1, 1) 0
_________________________________________________________________
batch_normalization_2 (Batch (None, 64, 224, 1, 1) 4
_________________________________________________________________
flatten (Flatten) (None, 14336) 0
_________________________________________________________________
dropout (Dropout) (None, 14336) 0
_________________________________________________________________
dense (Dense) (None, 256) 3670272
_________________________________________________________________
dropout_1 (Dropout) (None, 256) 0
_________________________________________________________________
dense_1 (Dense) (None, 2) 514
=================================================================
Total params: 3,726,210
Trainable params: 3,726,202
Non-trainable params: 8