There are several types of 3D video



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ILLUSTRATION 5‑20 STEREOGRAM CONTAINING 3D IMAGE

Free cross Vision - Visión libre cruzada


The three-dimensional image it seen crossing the optical axes of the eyes. It is valid for images larger than 65 mm between their centers.

Head Mounted Display


System similar to steps in the field-glasses that are composed of two LCD screens, one for each eye.



ILLUSTRATION 5‑21 GLASSES DISPLAY BY HEAD MOUNTED DISPLAY

Another key element to the three-dimensional video display, are the home screen currently being introduced in the Spanish market.



These screens are based on the polarized stereoscopic imaging projection, thus requiring the use of special glasses, and must have support for high refresh rates of images (currently found in about 200Hz) so that projects to 100 images for eye and second.



ILLUSTRATION 5‑22 SAMSUNG LED 3D 3000



ILLUSTRATION 5‑23 SAMSUNG GLASSES FOR VIEWING VIDEO 3D

In addition to the display, the fact to need specific glasses for viewing 3D video is an important point in this technology. The current lack of consensus among TV manufacturers today do we find ourselves in an uncertain scenario.

On the one hand is Panasonic, one of the first manufacturers to market 3D television and, therefore, to launch their own glasses. Moreover, Samsung, currently leads the sales of this type in television, has refused to adopt the same standard as Panasonic for making glasses and, therefore, has made its own incompatible with the former.

Recently, the web portal specializing in multimedia publication "Home Cinema" published an article which reveals the system to use for compatibility with Panasonic Samsung glasses. This method is simply rotated 180 degrees glasses.



Samsung, meanwhile, has had to admit this fact, and has already committed to reaching an agreement for the marketing of standard glasses by all manufacturers.
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