[Philip Lelyveld comment: the idea has been around for a while. It really does simplify things.]
The system uses a camera rig that holds three cameras: a main camera, the Arri Alexa; and two small cameras used to capture depth information. The goal is to allow the filmmakers to focus on the 2D shoot, and make depth decisions at a later time.
Siegfried Foessel, head of Fraunhofer's department of moving picture technologies, told THR. "Effectively, you can do what you normally can only do in a CG environment, but now you can do it with live scenery.”