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Design and Implementation of a DMD Based Volumetric 3D Display

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5 Author(s)
Yucesoy, V. ; Dept. of Electr. & Electron. Eng., Bilkent Univ., Ankara ; Tunaoglu, D. ; Kovachev, M. ; Ilieva, R.
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A real image swept-volume volumetric display is developed. A piston type moving screen is used to obtain the desired volume. A commercially available DMD device is used to project 2D slices of a 3D frame. There is a varying magnification effect during the projection because of the optical design of the system; raw 3D video frames are processed by a software to generate the appropriate 2D slices by also correcting the magnification. Synchronization between the hardware and the software is achieved via a microcontroller. The overall system is capable of printing 12 3D frames per second where a 3D frame consists of 90 2D slices with a resolution varying from 512times512 to 450times450 (approx. 20M voxels per one 3D frame). Although some flickering effect is observed due to rather low 3D frame rate, results are visually satisfactory.

Published in:

3DTV Conference: The True Vision - Capture, Transmission and Display of 3D Video, 2008

Date of Conference:

28-30 May 2008