Summary: Update all FB license strings to the new format.
Reviewed By: patricklabatut
Differential Revision: D33403538
fbshipit-source-id: 97a4596c5c888f3c54f44456dc07e718a387a02c
Summary: If we are not visualizing the training with visdom, then there are a couple of outputs of the coarse rendering step which are not small and are returned by the renderer but never used. We don't need to bother transferring them to the CPU.
Reviewed By: nikhilaravi
Differential Revision: D28939958
fbshipit-source-id: 7e0d6681d6524f7fb57b6b20164580006120de80
Summary: Implements the training script of NeRF.
Reviewed By: nikhilaravi
Differential Revision: D25684439
fbshipit-source-id: 8b19b6dc282eb6bf6e46ec4476bb0f13a84c90dd