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我试图使用我自己的数据集,它由两个类别组成。我不明白怎么能解决这个问题。我怎样才能解决这个问题?它看起来像模型获取图像的形状作为输入,而不是实际的图像。错误:期望的activation_4有2个维度,但有形状的数组(14,3,150,150)
print X_train.shape
print y_train.shape
print X_test.shape
print y_test.shape
(55, 3, 150, 150)
(55, 1)
(14, 3, 150, 150)
(14, 1)
from keras.models import Sequential
from keras.layers import Conv2D, MaxPooling2D
from keras.layers import Activation, Dropout, Flatten, Dense
from keras import backend as K
K.set_image_dim_ordering('th')
model = Sequential()
#model.add(Convolution2D(32, kernel_size=(3, 3), input_shape=(3, IMG_SIZE, IMG_SIZE)))
model.add(Conv2D(32, (3, 3), activation='relu', input_shape=(3,150,150)))
#model.add(Activation('relu'))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Conv2D(32, 3, 3))
model.add(Activation('relu'))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Conv2D(64, 3, 3))
model.add(Activation('relu'))
model.add(MaxPooling2D(pool_size=(2, 2)))
model.add(Flatten())
model.add(Dense(64))
model.add(Activation('relu'))
model.add(Dropout(0.5))
model.add(Dense(num_classes))
model.add(Activation('sigmoid'))
model.compile(loss='categorical_crossentropy',
optimizer='rmsprop',
metrics=['accuracy'])
ValueError: Error when checking target: expected activation_4 to have 2 dimensions, but got array with shape (14, 3, 150, 150)
'xtrain'的4个维度的含义是什么? – hpaulj
55 =样本数量,3是通道数量,150是宽度和高度 –
您的'model.fit()'语句在哪里? – DJK