使用在https://blog.keras.io/building-powerful-image-classification-models-usis-using-very-little-data.html，我训练了一个凯拉斯模型，以识别猫和狗之间的差异。'''Directorystructure:data/train/dogs/dog001.jpgdog002.jpg...cats/cat001.jpgcat002.jpg...validation/dogs/dog001.jpgdog002.jpg...cats/cat001.jpgcat002.jpg...'''fromkeras.pre