问题
main_model = Sequential()
main_model.add(Conv3D(32, 3, 3,3, input_shape=(20,50,50,1)))'
main_model.add(Activation('relu'))
main_model.add(MaxPooling3D(pool_size=(2, 2,2))
main_model.add(Conv3D(64, 3, 3,3))
main_model.add(Activation('relu'))
main_model.add(MaxPooling3D(pool_size=(2, 2,2)))
main_model.add(Dropout(0.8))
main_model.add(Flatten())
#lower features model - CNN2
lower_model1 = Sequential()
lower_model1.add(Conv3D(32, 3, 3,3, input_shape=(20,50,50,1)))
lower_model1.add(Activation('relu'))
lower_model1.add(MaxPooling3D(pool_size=(2, 2,2)))
lower_model1.add(Dropout(0.8))
lower_model1.add(Flatten())
#lower features model - CNN3
lower_model2 = Sequential()
lower_model2.add(Conv3D(32, 3, 3,3, input_shape=(20,50,50,1)))
lower_model2.add(Activation('relu'))
lower_model2.add(MaxPooling3D(pool_size=(2, 2,2)))
lower_model2.add(Dropout(0.8))
lower_model2.add(Flatten())
merged_model = Merge([main_model, lower_model1,lower_model2],mode='concat')
final_model = Sequential()
final_model.add(merged_model)
final_model.add(Dense(1024,init='normal'))
final_model.add(Activation('relu'))
final_model.add(Dropout(0.5))
final_model.add(Dense(2,init='normal'))
final_model.add(Activation('softmax'))
final_model.compile(loss='binary_crossentropy', optimizer='Adam', metrics=
['accuracy'])
train=train_data[-10:]
test=train_data[-2:]
X = np.array([i[0] for i in train]).reshape(-1,20,50,50,1)
Y = [i[1] for i in train]
test_x = np.array([i[0] for i in test]).reshape(-1,20,50,50,1)
test_y = [i[1] for i in test]
final_model.fit(np.array(X),np.array(Y),validation_data=
(np.array(test_x),np.array(test_y)),batch_size=batch_size,nb_epoch =
nb_epoch,validation_split=0.2,shuffle=True,verbose=1)
i'm using 50x50 images contained in 20 chunk and that's y my numpy array is 20x50x50 1st and 2nd modelsI'm using sequential model for multi scale 3d cnn network...i don't know y i'm getting this kind of result
see val_acc,val_loss stays the same in every epoch
来源：https://stackoverflow.com/questions/43476708/error-the-model-expects-3-input-arrays-but-only-received-one-array-found-arr