Researchers from the Kanagawa Institute of Technology in Japan have now made this possible.
Through using a pair of projectors working in tandem with one another, a "2x3D" image is displayed. This basically means that the image displayed can be viewed in both 2D and 3D simultaneously. There are specifications that will need to be met to view the 3D and 2D images on the same "screen though.
The projectors have the two separate images run through a specialized GPU in real-time. The GPU uses a series of advanced algorithms that allow both images to be displayed without having the "double" image that is accompanied with typical 3D imaging. This paired up with color mixing techniques also produced from the projectors' GPU, the 3D image will appear "invisible" unless viewed through polarized lenses.
This type of "screen sharing" is actually reminiscent of a 3D TV monitor from Sony's Playstation that allowed two players to play on the same full sized screen without seeing what the 2nd player would see. Through the TV's "SimulView", the monitor was able to perform the same basic principles as the Japanese projectors.
The one downside of the imaging is that the 2D image is half the contrast of the 3D image . But there could be prime uses for this product such as having two separate images being displayed at the same time without any screen overlay. Displaying in different languages for business meetings, or two separate graphs without overlap.
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