With the aim of developing post-8K Super Hi-Vision (8K) broadcasting, we have been studying an integral three-dimensional television system that requires no special glasses for viewing. Integral 3D TV will enable viewers to watch a spatial image depending on a viewpoint. The integral 3D TV system utilizes an array of aligned micro-lenses when the image is captured and displayed. The 3D imaging system captures "elemental images," which consist of light rays emitted from an object in various directions that pass through the lens array. Because the three-dimensional image needs a display of elemental images composed from a large amount of optical data, this system requires display devices with an extremely large number of pixels. The fact that there are no current display devices with pixels greater than 8K restricts the reproducible three-dimensional image quality when using a single display device.
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