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Vertical parallax added tabletop-type 360-degree three-dimensional display

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Titel Vertical parallax added tabletop-type 360-degree three-dimensional display
Serientitel Stereoscopic Displays and Applications XXV (SD&A 2014)
Teil 07
Anzahl der Teile 29
Autor Takaki, Yasuhiro
Nakamura, Junya
Lizenz CC-Namensnennung - keine Bearbeitung 2.0 UK: England & Wales:
Sie dürfen das Werk in unveränderter Form zu jedem legalen Zweck nutzen, vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/32376
Herausgeber IS&T Electronic Imaging (EI) Symposium
Erscheinungsjahr 2014
Sprache Englisch

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Fachgebiet Informatik
Abstract The generation of full-parallax and 360-degree three-dimensional (3D) images on a tabletop screen is proposed. The proposed system comprises a small array of high-speed projectors and a rotating screen. All projectors are located at different heights from the screen. The lens shift technique is used to superimpose all images generated by the projectors onto the rotating screen. Because the rotating screen has an off-axis lens function, the image of the projection lens generates a viewpoint in the space, and the screen rotation generates a number of viewpoints on a circle around the rotating screen. Because all projectors are located at different heights, different projectors generate the viewpoints at different heights. Therefore, multiple viewpoints are aligned in the vertical direction to provide the vertical parallax. The proposed technique was experimentally verified. Three DMD projectors were used to generate three viewpoints in the vertical direction. The heights of the viewpoints were 720, 764, and 821 mm. Each projector generated 900 viewpoints on a circle. The diameter of the rotating screen was 300 mm. The frame rate was 24.7 Hz. The generation of 360-degree 3D images with the horizontal and vertical parallaxes was verified. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

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