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The evolution of 3D technologies shows a cyclical learning curve with a series of hypes and dead ends, with mistakes and consequences. 3D images contain significantly more information than the corresponding 2D ones. 3D display systems should be built on more pixels, or higher speed components. For true 3D, this factor is in the order of 100x, which is a real technological challenge. If not fulfilled, the capabilities of 3D systems will be compromised: headgears will be needed, or the viewers should be positioned or tracked, single-user devices, lack of parallax, missing cues, etc. The temptation is always there: why to provide all the information, just what the person absorbs that moment (subjective or objective visualization). Virtual Reality (VR) glasses have been around for more than two decades. With the latest technical improvements, VR became the next hype. 3D immersion was added as a new phenomenon; however, VR represents an isolated experience, and still requires headgears and a controlled environment. Augmented Reality (AR) in this sense is different. Will the VR/AR hype with the headgears be a dead end? While VR headsets may sell better than smart glasses or 3D TV glasses, also consider that using the technology may require a set of behavioral changes that the majority of people do not want to make. Displays and technologies that restrict viewers, or cause any discomfort will not be accepted on the long term. The newer wave of 3D is forecasted to 2018-2020, answering the need for unaided, limitation-free 3D experience. Light Field (LF) systems represent the next-generation in 3D. The HoloVizio system, having a capacity in the order of 100x, offers natural, restrictions-free 3D experience on a full field of view, enabling collaborative use for an unlimited number of viewers, even in a wider, immersive space. As a scalable technology, the display range goes from monitor-style units, through automotive 3D HUDs, screen-less solutions, up to cinema systems, and Holografika is working on interactive large-scale immersive systems and glasses-free 3D LED walls.
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