VGG16等keras預訓練權重文件的下載:https://github.com/fchollet/deep-learning-models/releases/
本地存放目錄:
Linux下是放在“~/.keras/models/”中
Win下則放在Python的“settings/.keras/models/”中
在anaconda on win中是:D:\Anaconda3\Lib\site-packages\tensorflow\contrib\keras\api\keras\applications\vgg16