Custom classifier support, and facial recogntion.

[28mm]

Several services offer the ability to train a custom classifier:

1. Clarifai
2. Watson
3. Imagga

Facial recognition is offered by:

1. Amazon Rekognition
2. OpenCV (Eigenfaces, Fisherfaces, Local Binary Pattern Histograms)
3. DLib http://dlib.net/

What should support for these features look like?