Color Hologram Generation Using High Spatial Resolution Camera

概要

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We have studied holography for photographing and displaying 3D images of real scenes. Although digital holography is known as hologram generation of real scenes, photographing the interference fringe of light has to be performed in the dark room. We propose hologram generation by using a color image and depth map of the same viewing point. In the case of object beam calculation using the maximum diffraction angle depending on wavelength and pixel pitch, we could only observe 3D images in the range of horizontal to 5.6 degrees. In this paper, we report a method that can increase the viewing-zone-angle by using diffraction maps propagating in three directions. As a result, by evaluating the generated hologram with an optical system by the time division, we could easily observe 3D images in the range of horizontal to 16 degrees with both eyes.