The New York Times profiles AI visual effects company Metaphysic that creates digital masks for human faces like the ones found on Tom Hanks, Robin Wright, and Eminem — rendered in near real-time:

During the filming of “Here,” Metaphysic devised a setup that enabled Zemeckis and his crew to follow the shooting of scenes on two different monitors: one showing the raw feed from the camera of the actors as they appear in reality; and one filtered through its A.I. tools showing the actors at whatever age the scene required.