HoloVizio

August 20th, 2006

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HoloVizio from Holografika was shown at Siggraph 2006.

http://www.holografika.com/

Holografika is a Hungarian venture active in the field of emerging photonic technologies. The company developed a proprietary technology in 3D visualisation, including real 3D display devices, software applications, and 3D data compression solutions and holds several patents.

The company at present develops and sells 3D display systems. It started selling its 26” and 32” HoloVizio™ 3D displays in 2004, and plans to offer larger-scale holographic projection systems soon. Second-generation displays, a 3D camera system and a full 3D software environment are all under development.

It is claimed to be the first 3D monitor that enables you to watch the screen image in “true” 3D in a 50-degree continuous field of view without the need for artificial aids such as special glasses or headsets – in effect, the viewer is viewing a hologram.

http://en.wikipedia.org/wiki/Holography.

Theory

Since HoloVizio is not a stereoscopic or multi-view system it lacks most of the backlogs and drawbacks currently associated with 3D displays. HoloVizio is not a purely holographic system that handles an enormous amount of redundant information. It is rather based on holographic geometrical principles with special focus on reconstructing the key elements of spatial vision. The pixels, or rather voxels of the holographic screen emit light beams of different intensity and colour to the various directions. A light-emitting surface composed of these voxels will act as a digital window or hologram and will be able to show 3D scenes undoubtedly being 3D.

The underlying principle is shown in the following image

principle

Each pixel (voxel) of the display is able to emit light beams at a different colour and intensity to the various directions.

If these lights are controlled appropriately, it appears as if they were emitted from behind or in front of the screen. In these cases, the viewer percieves the points of an image floating in space.

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Developer tools are available to provide an interface between 3rd party applications and the hardware.

Sample videos of the device are available from their homepage, although you will need to install the DivX Codec to view them.

http://www.divxmovies.com/codec/

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