KEYWORDS: Digital holography, Phase shifts, Holograms, Digital imaging, Integral imaging, CCD cameras, 3D image reconstruction, 3D image processing, 3D displays, Charge-coupled devices
We propose a method generating elemental images for the auto-stereoscopic three-dimensional display technique,
integral imaging, using phase-shifting digital holography. Phase shifting digital holography is a way recording the digital
hologram by changing phase of the reference beam and extracting the complex field of the object beam. Since all 3D
information is captured by the phase-shifting digital holography, the elemental images for any specifications of the lens
array can be generated from single phase-shifting digital holography. We expanded the viewing angle of the generated
elemental image by using the synthetic aperture phase-shifting digital hologram. The principle of the proposed method is
verified experimentally.
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