Three-dimensional (3D) displays realize the dream of human beingsdisplaying the real world as natural and realistic as possible. Integral imaging
which is based on the principle of optical path reversibility
is becoming one of the research hotspots in 3D displays. To fully understand the 3D pickup and display processes of integral imaging
this paper describes the basic principle of integral imaging
and overviews several typical 3D pickup methods
such as the full optical pickup method
the direct pickup method
the scanning pickup method
and et al. And then
integral imaging 3D display methods based on the viewing point and the depth plane are introduced.
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references
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