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Display Prototype Developed for Glasses-Free 3D in Theaters


Guest_Jim_*

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While one of the current trends for home entertainment is VR, at theaters we are still seeing 3D movies being projected and still having to put on special glasses to enjoy it. Thanks to some researchers at MIT though, the glasses might not be necessary in the future. They have developed a glasses-free 3D solution that could one day be scaled up for theaters.

Glasses-free 3D already exists, including in televisions that utilize parallax barriers to project specific images to each eye. The catch with this approach is the need for the viewer to be a constant distance away, which is not viable for a movie theater. Another solution uses multiple projectors to cover the angular range of an audience, but its failing is the relatively low resolution of the images it produces. This new solution, however, solves these problems by taking advantage of something central to movie theaters; seats. Movie-goers sit in specifically placed seats, so their range of movement is limited, which the MIT researchers exploit in their system by only displaying the necessary and narrow range of angles to each seat. This is accomplished using mirrors and lenses, and in the prototype it uses 50 sets of them and is just larger than a pad of paper.

The design can be scaled up, for use in movie theaters, billboards, and more, but for now the question remains of if it is financially feasible to go to those sizes.

 

 

Source: MIT



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