Super multi-view display with 128 viewpoints and viewpoint formation

Yasuhiro Takaki

doi:10.1117/12.807119

14 February 2009 Super multi-view display with 128 viewpoints and viewpoint formation

Yasuhiro Takaki

Proceedings Volume 7237, Stereoscopic Displays and Applications XX; 72371T (2009) https://doi.org/10.1117/12.807119
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

A super multi-view (SMV) display and a high-density directional (HDD) display have both been proposed as natural three-dimensional displays that would solve the accommodation-vergence conflict and offer smooth motion parallax. Previously, a multiple projection system was employed in the construction of a HDD display. In this study, a multiple projection system is modified to serve as a SMV display. A lens is attached to the display screen. The screen lens images an aperture array in the multiple projection system at a fixed distance from the screen, and the image of the aperture array generates dense viewpoints. A 128-direction HDD display having ~QVGA resolution is employed to construct a 128-view SMV display. Fresnel lenses with focal lengths of 500 mm, 600 mm, 1,000 mm, 1,200 mm, and 1,500 mm were used as the screen lens. When the observation distance differs from the distance at which viewpoints are generated, a retinal image is formed by an assembly of plural parallax images. The dependency of image quality on observation distance is evaluated. Subjective evaluation shows that a Fresnel lens with a long focal length, i.e., 1,200 mm, gives better image quality for a wider observation distance range.

Citation Download Citation

Yasuhiro Takaki "Super multi-view display with 128 viewpoints and viewpoint formation", Proc. SPIE 7237, Stereoscopic Displays and Applications XX, 72371T (14 February 2009); https://doi.org/10.1117/12.807119

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