ImageDataGenerator範例問題
所給的範例中, 這個應該是無法執行的吧~~?!!
就這樣給一個無法執行的範例, 要學員們進行學習, 我覺得教學太跳了
沒有學過的學員, 應該無法吸收的, 應該要檢討一下了~~
#Training Generator
train_datagen = ImageDataGenerator(rescale = 2,shear_range = 0.2,zoom_range = 0.2,horizontal_flip = True)
#Test Generator,只需要Rescale,不需要其他增強
test_datagen = ImageDataGenerator(rescale = 1./255)
#將路徑給Generator,自動產生Label
training_set = train_datagen.flow_from_directory('dataset/training_set',
target_size = (64, 64),
batch_size = 32,
class_mode = 'categorical')
test_set = test_datagen.flow_from_directory('dataset/test_set',
target_size = (64, 64),
batch_size = 32,
class_mode = 'categorical')
#訓練
classifier.fit_generator(training_set,steps_per_epoch = 250,nb_epoch = 25,
validation_data = valid_set,validation_steps = 63)