Mr. Junichi Ouchi Profile

Junichi Ouchi

at Tokyo Univ of Agriculture and Technology

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Proceedings Article | 17 October 2006 Paper

Development of 128-directional 3D display system

Junichi Ouchi, Hiroyuki Kamei, Kengo Kikuta, Yasuhiro Takaki

Proceedings Volume 6392, 63920I (2006) https://doi.org/10.1117/12.685520

KEYWORDS: 3D image processing, 3D displays, Infrared cameras, LCDs, Cameras, Imaging systems, Infrared imaging, Stereoscopic cameras, Visualization, Image processing

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We developed a new virtual reality (VR) system that enables direct interaction between a 3D image and a finger without wearing special 3D glasses and without attaching any marker or detector to the finger. Moreover, it frees the user from visual fatigue. The system consists of a 128-directional 3D display, a PC cluster, and a fingertip detection system. The 128-directional display provides a natural 3D image which does not have the accommodation-vergence conflict and has very smooth motion parallax. It differs from conventional multi-view displays in that it precisely reconstructs rays from a 3D object. It contains 128 LCD panels, and the 128 images displayed on them are projected in different horizontal directions with a horizontal angle pitch of 0.23°. The PC cluster consists of 16 PCs. Each PC generates eight video signals. The fingertip detection system employs a stereo infrared (IR) camera. The 3D position of the fingertip is estimated by triangulation. We also made three application programs. The first one enables the fingertip manipulation of a 3D image in VRML format. The second one is a 3D drawing program that allows users to draw lines in the air. The last one enables the rotation of a 3D image of a 360° directional image by the finger.

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