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Virtual reality ( VR) is a simulated experience that employs 3D near-eye displays and pose tracking to give the user an immersive feel of a virtual world. Applications of virtual reality include entertainment (particularly video games ), education (such as medical, safety or military training) and business (such as virtual meetings).
A virtual world (also called a virtual space) is a computer-simulated environment [1] which may be populated by many users who can create a personal avatar, [2] and simultaneously and independently explore the virtual world, participate in its activities and communicate with others. [3] [4] These avatars can be textual, [5] graphical ...
Virtual reality headset. A virtual reality headset (or VR headset) is a head-mounted device that uses 3D near-eye displays and positional tracking to provide a virtual reality environment for the user. VR headsets are widely used with VR video games, but they are also used in other applications, including simulators and trainers.
Augmented reality ( AR) is an interactive experience that combines the real world and computer-generated 3D content. The content can span multiple sensory modalities, including visual, auditory, haptic, somatosensory and olfactory. [1] AR can be defined as a system that incorporates three basic features: a combination of real and virtual worlds ...
Cybersickness can occur when you scroll on your smartphone or computer, use multiple screens, or attend a virtual meeting in which someone else is controlling the screen. It all has to do with ...
Virtual reality is being applied to a wide range of medical areas, including medical education, training, surgery and diagnostic assistance for heath staff. For patients it is a good way of using it for their rehabilitation and training. [12] VR began to appear in rehabilitation in the 2000s.
Immersive virtual reality is a technology that aims to completely immerse the user inside the computer generated world, giving the impression to the user that they have "stepped inside" the synthetic world. [13] This is achieved by either using the technologies of Head-Mounted Display (HMD) or multiple projections.
Computer-mediated reality refers to the ability to add to, subtract information from, or otherwise manipulate one's perception of reality through the use of a wearable computer or hand-held device [1] such as a smartphone. Mediated reality is a proper superset of mixed reality, augmented reality, and virtual reality, as it also includes, for ...
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