He tapped a key, and the spray rotated in three dimensions; the software suppressed foreground elements to allow details of the jet's inner structure to become visible.

Holzer's palette is tightly controlled and exhibits a very precise use of color, contrasting almost monochromatic textural backgrounds against precise, often explosive, foreground elements.

Essentially clean-plating several background, mid ground and foreground elements.

Same game screens--background, foreground elements, traps.

Since the projector and camera were in perfect alignment, the foreground elements themselves blocked any unwanted shadows that they may have cast on the screen.

The foreground elements conceal the parts of the background image behind them.

Unlike the other three lights, which illuminate foreground elements like actors and props, it illuminates background elements, such as walls or outdoor scenery.

This technique can be used to eliminate shadows cast by foreground elements onto the background, or to draw more attention to the background.

Oakland International Airport was used for the foreground element of Starfleet Headquarters.

The people featured in the idents were shot in the blue screen studio, while the backgrounds and some foreground elements were created in 3D.