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ImageDataGenerator?Keras.preprocessing.image??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
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- featurewise_center?????????????????????????????????????
- samplewise_center??????????????????????????????????
- featurewise_std_normalization?????????????????????????????
- samplewise_std_normalization?????????????????????????????????
- zca_whitening????????????ZCA??????????????
- rotation_range????????????????????????0?180??
- width_shift_range????????????????????0?1?
- height_shift_range????????????????????0?1?
- shear_range?????????????????
- zoom_range??????????????????????[lower, upper]????????????????
- channel_shift_range?????????????????
- fill_mode?????????constant???nearest???reflect???wrap???????????????????????
- cveta????????????constant????????????
- horizontal_flip????????????????
- vertical_flip????????????????
- rescale???????????????????????????????0?1?
- preprocessing_function?????????????????????????????
- data_format?????????????????????channel_first???channel_last??????
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train_datagen = ImageDataGenerator( preprocessing_function=preprocess_input, rotation_range=30, width_shift_range=0.2, height_shift_range=0.2, shear_range=0.2, zoom_range=0.2, horizontal_flip=True)
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- shear_range??????????????x?y???????????????????????????
- zoom_range????????????????0?1????????1????????????????????????????
- fill_mode????????????nearest??????????????????????????????constant?????????reflect???????wrap????????
??????ImageDataGenerator???????????????????????????????????
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