Glow is based on a generative model from OpenAI, a non-profit organization dedicated to artificial intelligence research. In this application, certain external features of people can be manipulated using a controller. For example, the hair color can be changed or makeup can be added. The program is able to recognize which characteristics could fit with the face of a given person. For example, it tends not to give women a beard. This is partly because the training set did not include any women with beards and so the network is not aware of any bearded women.
Credits: Glow: Generative Flow with Invertible 1×1 Convolutions by Diederik P. Kingma, Prafulla Dhariwal; OpenAI