How to watch 3D movies on normal display (PC/Laptop)

Ever wonder if you can watch 3D movies on your normal display? Or what technology is behind this?

Well, than basic idea of 3D images is that each of your eyes must see a slightly different image. The technique for creating the illusion of depth in a image is very old and is called Stereoscopy.

Stereoscopy creates the illusion of three-dimensional depth from given two-dimensional images. Human vision, including the perception of depth, is a complex process which only begins with the acquisition of visual information taken in through the eyes; much processing ensues within the brain, as it strives to make intelligent and meaningful sense of the raw information provided. One of the very important visual functions that occur within the brain as it interprets what the eyes see is that of assessing the relative distances of various objects from the viewer, and the depth dimension of those same perceived objects.

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