Abstract
The use of a distributed representation of a 2D image, such
as the complex Fourier transform, has an advantage in image projection
due to the inherent fault-tolerant attributes. For example, pixel
failures in high-complexity display devices do not appear in the projected
image, due to the Fourier transform relationship between the display
and the image. It would appear that, in order to represent the Fourier
transform of an image, the display device should be capable of fully
complex modulation. However, a very good phase-only approximation
to the true full complex modulation can be derived by using iterative
algorithms, so that phase-modulating spatial light modulators can
be employed. This article catalogues a representative selection of
devices which have been employed and discusses their relative merits.
© 2014 IEEE
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