-The simple aerial display system called holographic pyramid has been eliciting much attention recently. However, the image that appears to be floating in the pyramid has no depth information because it is merely a virtual image of a 2D image displayed on a flat-panel display and reflected at the surface of a transparent board of the pyramid. Therefore, we propose a new holographic pyramid system, in which a floating 3DCG animation with binocular parallax is viewed in a pyramid made of transparent boards. The system is achieved by introducing an integral photography display instead of a normal flat-panel display.

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This study proposes a new holographic pyramid in which a 3D object, such as a human, can be displayed approximately 1.4 times larger even if the size of the liquid crystal display used is the same. The 3D object appears as if it is floating in the pyramid, which is typically made of plastic, and the object itself has a parallax in both horizontal and vertical directions because integral photography is used in the system.