For questions related to feature learning (also known as representation learning), which is a set of techniques that can learn the features associated with the raw data. It is similar to feature engineering, but, in the case of feature learning, the features are learned and not handcrafted.
For more details, see e.g. https://en.wikipedia.org/wiki/Feature_learning or Representation Learning: A Review and New Perspectives by Yoshua Bengio, Aaron Courville, and Pascal Vincent.
