Definition of back-projection in English:

back-projection

noun

mass noun
  • 1The projection of a picture on to the back of a translucent screen for viewing or for use as a background in filming.

    • ‘In the 1950s, filmmakers who could not afford to film in Washington, D.C., often used a distant shot of a landmark through a window or back-projection through car windows to locate the scene.’
    • ‘All my favourites were performed live with incredible big screen back-projection and animation to boot.’
    • ‘Since it was the first time back-projection had been employed at a concert, all the footage is close-up and the viewer never truly sees the scope and grandeur of these shows.’
    • ‘The algorithm was improved by combining filtered back-projection with a modified algebraic reconstruction technique to enhance accuracy and shorten calculation time.’
    • ‘To lessen computational burdens, adaptation and/or back-projection is accomplished in accordance with a time-sharing technique in which orthogonal components are separately processed.’
    • ‘Of course it is not an aeroplane that chases him, but cinema - a back-projection.’
    1. 1.1count noun An image created using the technique of back-projection.
      ‘the slide was used as one of the back-projections’
      • ‘Her colour-crammed back-projections, with captions ribboning up the side, are now fully-fledged and better-timed.’
      • ‘No one ever goes outdoors: back-projections abound, with the puppets flatly lit.’
      • ‘Particularly successful were her back-projections, which yield just enough clues to the plot to make Wagner's German, in the compact score reduction, perfectly palatable.’
      • ‘The hokey looking back-projections with which he presents scenes of movement are not really meant to resemble anything.’
      • ‘Her permanent set is dominated by a black gantry with ladders attached - nothing remotely aristocratic, let alone redolent of the Spanish Civil War we were promised, apart from a handful of back-projections.’
      • ‘Their tunes will be played to a packed auditorium while a back-projection of the great dead man gyrates and grooves on a giant screen before them.’

Pronunciation

back-projection