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我使用的下一個keras基於架構(article):爲什麼使用keras Conv2D圖層時會出現錯誤?檢查時出現錯誤:
model = Sequential()
model.add(Conv2D(32, (3, 3), input_shape=(150, 150, 3)))
...
model.fit_generator(
train_generator,
steps_per_epoch=nb_train_samples // batch_size,
epochs=epochs,
validation_data=validation_generator,
validation_steps=nb_validation_samples // batch_size)
model.save_weights('first_try.h5')
from keras.preprocessing.image import ImageDataGenerator, array_to_img, img_to_array, load_img
img = load_img('test_data/a1.jpg') # this is a PIL image
img = img.resize((150, 150))
x = img_to_array(img)
prediction = model.predict(x)
print(prediction)
ValueError異常預期conv2d_1_input有4個維度,但得到了陣列形狀(150,150,3)
燦你請告訴我如何解決它?
還我發現X = np.expand_dims(X,軸= 0) –
@OlegDats準確,甚至一個簡單的'X .reshape(1,* img.shape)'應該可以工作。 – 5agado