Python Keras中Conv1D数据的形状问题
我正在学习Keras,并试图根据信号的频率对其进行分类 因此,开始我的代码是这样的:Python Keras中Conv1D数据的形状问题,python,machine-learning,neural-network,keras,conv-neural-network,Python,Machine Learning,Neural Network,Keras,Conv Neural Network,我正在学习Keras,并试图根据信号的频率对其进行分类 因此,开始我的代码是这样的: import numpy as np from keras.models import Sequential from keras.layers import Conv1D from keras.layers import AveragePooling1D from keras.layers import Dense from keras.layers import Dropout #DATA time=np
import numpy as np
from keras.models import Sequential
from keras.layers import Conv1D
from keras.layers import AveragePooling1D
from keras.layers import Dense
from keras.layers import Dropout
#DATA
time=np.arange(0,20,0.05)
signal=np.sin(time)
out=np.array([1,0,0])
#MODEL
model = Sequential()
model.add(Conv1D(4, 60, padding='same', activation='relu',input_shape=(400,1)))
model.add(AveragePooling1D(pool_size=5, strides=None, padding='valid'))
model.add(Dropout(0.25))
model.add(Flatten())
model.add(Dense(3, activation='softmax'))
model.compile(loss='binary_crossentropy', optimizer='Adam', metrics=['accuracy'])
history = model.fit(signal, out)
我有这个错误
builtins.ValueError: Error when checking input: expected conv1d_1_input to have 3 dimensions, but got array with shape (400, 1)
但我不明白问题出在哪里。试着像这样重塑数据:
history = model.fit(signal.reshape(1,400,1), out.reshape(1,3))
编辑
model.fit()
需要输入和输出的数组,而不是单个输入和输出。也许可以补充一点,这是因为model.fit()需要输入和输出的数组,而不是单个输入和输出。