a special effects film technique involving filming actors or moving objects against a blue screen on which effects such as computerized graphics can be added later and integrated into a single sequence
Examples of 'blue screen' in a sentence
blue screen
For a moment the real eyes were pressed against the blue screen, showing venom.
Cleary, Jon MURDER SONG (2004)
I sit on the bed and the blue screen adds to the hospital effect, leaving me with the feeling that I am about to be examined.