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Glasses-Free 3d Technology: Microsoft’s New Project

September 23,2010 by: admin

Microsoft is here again in another of its great project: 3D technology without the 3D glasses.

Although the 3D displays nowadays necessitates for the use of special glasses, many researchers are hoping to find ways on how to watch 3D views without the need of the glasses. Microsoft Applied Sciences Group have seen the possibility and illustrated a stereoscopic 3D display that produces images to the viewer’s left and right eyes without the need of special glasses. The display utilizes a viewer-tracking system, which has a camera that follows the eyes of the viewer and a lens that guides the light right into the viewer’s eyes by turning the LEDS or light emitting diodes off and on. This will trigger the 3D effect.

Stevie Bathiche, the director of the group, said that this scientific approach will not be costing high even when it is put on big screens.

The system uses wedge-shaped lens to guide the light coming from a mobile LED to the eyes of the viewer. The light released out will enter at the lens bottom and will then keep bouncing until the viewer have reached his or her desired angle. The lens bottom camera will be tracking the viewers. To agree with the movements of the viewer, the light emitted from the opposite path to the lens then the angle of the LED will also change. The lens is found to be a fine substitute for a backlight of an LCD television, with its 6mm and 11mm size. This technology could also support a couple to four viewers on ordinary video.

According to Bathiche, the applications or software for this incoming technology will soon be offered to the market. However, the technology is facing some complex functions and might take a while to be released. There were demonstrations done in many phases but the real model hasn’t been created yet.

Presently, the team developing the technology is still facing a challenge on the image quality and the heavy amount of production. Optical components in DVD’s and cameras are so small and easy to produce, but with the required optics for the 3D screen technology, components should be same as the size of a screen. The cost will still be lower as compared to the optics on telescopes that are screen-sized despite their sizes being larger. Another challenge for the Microsoft team is to reduce the thickness of earlier prototypes. The shape of the lens permits the team to reduce the distance between the projector and the screen since the light travels within the lens and not in air.

Though this idea of viewer-tracking displays has been popular for quite a time, it is only now that computers are becoming more fast and affordable enough reach the point to qualify to house the very rapid speed requirements of this new system.


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