![]() Spatial computing differs from related fields such as 3D modeling and digital design in that it requires the forms and spaces it deals with to pre-exist and have real-world valence. Simon Greenwold defines spatial computing as human interaction with a machine in which the machine retains and manipulates referents to real objects and spaces.Ī system that allows users to place objects from their environments into a machine for digitization is spatial computing. There has been approximately 30 years’ development behind the evolution of this term.ĭuan, H., Li, J., Fan, S., Lin, Z., Wu, X., and Cai, W. Metaverse is a combination of “meta" (meaning beyond) and the stem “verse" from "universe", denoting the next-generation Internet in which the users, as avatars, can interact with each other and software applications in a three dimensional (3D) virtual space. The term “metaverse" originates from the science fiction novel, Snow Crash written by Neal Stephenson in 1992. IEICE TRANSACTIONS on Information and Systems, 77(12), 1321–1329.Ī virtual reality space in which users can interact with an environment generated by computer and with other users. A taxonomy of mixed reality visual displays. The most straightforward way to view a Mixed Reality environment, therefore, is one in which real world and virtual world objects are presented together within a single display, that is, anywhere between the extrema of the virtuality continuum. Mixed Reality (MR) visual displays, a particular subset of Virtual Reality (VR) related technologies that involve the merging of real and virtual worlds somewhere along the "virtuality continuum" which connects completely real environments to completely virtual ones. The earliest applications of augmented reality were almost certainly the “heads-up-displays” (HUDs) used in military airplanes and tanks, in which instrument panel-type information is projected onto the same cockpit canopy or viewfinder through which a crew member sees the external surroundings.Ī blend of the real-world environment and computer-generated content viewed on a screen or other display, in which the virtual content and the physical environment coexist and react to each other in real time. In a typical VR format, a user wearing a helmet with a stereoscopic screen views animated images of a simulated environment.Ī technology that combines computer-generated images on a screen with the real object or scene that you are looking at.Īugmented Reality, in computer programming, a process of combining or “augmenting” video or photographic displays by overlaying the images with useful computer-generated data. VR applications immerse the user in a computer-generated environment that simulates reality through the use of interactive devices, which send and receive information and are worn as goggles, headsets, gloves, or body suits. Virtual Reality (VR), the use of computer modeling and simulation that enables a person to interact with an artificial three-dimensional (3-D) visual or other sensory environment. ![]() ![]() Images and sounds created by a computer that seem almost real to the user, who can interact with them by using sensors.Therefore, the term extended reality does not refer to any specific technology it includes any existing or new technologies that may be created in the future that alter reality, either by blending the digital and the physical world or by creating a fully virtual environment. The “X” in XR stands for any variable-any letter of the alphabet-that may be used in the future for such technologies. An environment or experience that combines virtual and physical realities through the use of computer technology or wearable technologies, as in augmented reality, mixed reality, virtual reality, or any similar mediated reality.Įxtended reality (XR) is an umbrella term for any technology that alters reality by adding digital elements to the physical or real-world environment to any extent and includes, but is not limited to, augmented reality (AR), mixed reality (MR) and virtual reality (VR).Īny new technology that blends the physical and virtual world will also be categorized as XR.
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