https://medium.com/analytics-vidhya/image-augmentation-using-keras-99072b490c72
MNIST handwritten digit recognition task
About the image augmentation API provide by Keras and how to use it with your models
- How to perform feature standardization.
- How to perform ZCA whitening of your images.
- How to augment data with random rotations, shifts and flips.
- How to save augmented image data to disk.