background projection

noun

1. the projection from the rear of previously photographed material on a translucent screen, used as background for a television or motion-picture shot.

Example Sentences

But a background projection of a crowded city under pouring rain, cars hooting and people dodging puddles and vehicles all suggested a rough side of winter that was mirrored on the runway.

From New York Times

None other than the Phantom of the Opera, who emerges from beneath the background projection screen, which has heretofore displayed visualizations of the type you might see on an old version of Windows Media Player.

From Slate