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Open Access 360-degree three-dimensional display with virtual display surface

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We propose the omnidirectional 3D display system which displays directly touchable 3D images. The display surface of the proposed display is cylindrical, and displayed 3D images are observed around the cylindrical display surface. The proposed system composed of multiple basic display units. Each basic display unit consists of an LCD and a holographic optical element which works as a microlens array. The display surface of the proposed system is the virtual screen which is composed of multiple light focusing points (3D pixels) equally spaced in a cylindrical shape. Therefore, the display surface is not the physical obstruction when observers touch 3D images directly. In order to verify the effectiveness of the proposed system, we constructed the 144-degree prototype system. The virtual cylindrical display surface was composed of 8 basic display units. The angle of view of each 3D pixel which formed the virtual cylindrical display surface was 15°, and each 3D pixel irradiated 6 light rays at 3° intervals. The diameter and the height of the virtual cylindrical display surface were 42.6 mm and 50 mm, respectively. A displayed 3D image was directly touchable and was observed from 144° directions.
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Document Type: Research Article

Publication date: 2016-02-14

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  • For more than 30 years, the Electronic Imaging Symposium has been serving those in the broad community - from academia and industry - who work on imaging science and digital technologies. The breadth of the Symposium covers the entire imaging science ecosystem, from capture (sensors, camera) through image processing (image quality, color and appearance) to how we and our surrogate machines see and interpret images. Applications covered include augmented reality, autonomous vehicles, machine vision, data analysis, digital and mobile photography, security, virtual reality, and human vision. IS&T began sole sponsorship of the meeting in 2016. All papers presented at EIs 20+ conferences are open access.

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