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Transpost: a novel approach to the display and transmission of 360 degrees-viewable 3D solid images

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3 Author(s)
Otsuka, R. ; Adv. Res. Lab., Hitachi Ltd., Tokyo, Japan ; Hoshino, T. ; Horry, Y.

Three-dimensional displays are drawing attention as next-generation devices. Some techniques which can reproduce three-dimensional images prepared in advance have already been developed. However, technology for the transmission of 3D moving pictures in real-time is yet to be achieved. In this paper, we present a novel method for 360-degrees viewable 3D displays and the Transpost system in which we implement the method. The basic concept of our system is to project multiple images of the object, taken from different angles, onto a spinning screen. The key to the method is projection of the images onto a directionally reflective screen with a limited viewing angle. The images are reconstructed to give the viewer a three-dimensional image of the object displayed on the screen. The display system can present images of computer-graphics pictures, live pictures, and movies. Furthermore, the reverse optical process of that in the display system can be used to record images of the subject from multiple directions. The images can then be transmitted to the display in real-time. We have developed prototypes of a 3D display and a 3D human-image transmission system. Our preliminary working prototypes demonstrate new possibilities of expression and forms of communication.

Published in:

Visualization and Computer Graphics, IEEE Transactions on  (Volume:12 ,  Issue: 2 )

Date of Publication:

March-April 2006

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