AR (Augmented Reality) & Virtual Reality (VR) applications (apps) are generally according to computer simulation of real-life scenarios and environments. The simulation will bear a top degree of resemblance with whatever has depicted from real-life, either graphically or sensorially. The phrase 'sensorially' is broader than 'graphically' since it means things perceptible to our senses I.e. graphics, touch, sound, voice, smell etc. Usually, just how much resemblance together with the original has to be many times higher and more accurate in the case of VR than in AR apps.

Consider the video recording of the 100-metre dash from your recent Olympics. The initial commentary could possibly be in English therefore, because it is, that video are not very thank you for visiting french. Either changing the commentary to French or adding suitable French sub-titles can make it more fulfilling into a French audience. This, essentially, is the place AR finds its opportunity - augmenting the initial with additional useful info - inside our example, substituting French for English and therefore, making the content more significant for the French-speaking. As the second example, think about the video capture of the road accident. Two cars collide with a highway then one is badly damaged. The authorities most likely are not capable of pin-point which of these two drivers was in charge of the accident by merely viewing the recording. If, however, the video was pre-processed by an AR application that added mass, speed and direction info. in the cars on the video, then, usually the one responsible might be established with near to, maybe, hundred-percent certainty.



VR (Virtual Reality), however, is quite distinctive from AR. Actually, both the only share a very important factor in common - internet based simulation. As pointed out above, the simulation supplied by VR needs to be for these top quality it is indistinguishable from reality. Theoretically, this really is impossible. Therefore, for practical purposes, VR only means a degree of approximation, sufficient for any user to get a 'live' example of the simulated environment. Moreover, VR is interactive and responds sensorially, in 'real-time', and simply like real-life e.g. in a VR application, imagine you are in a forest, about to burn a pile of cut-down bushes and dry leaves. You douse the pile with gasoline. A fox is keenly watching you from an area place. Then you throw a lighted match-stick on to the pile... the device will respond immediately showing a robust, quickly spreading fire burning on the pile, its shape occasionally altered through the breeze... so that as in real-life... the fox (scared from the fire), must run away? - plus it does! The device may let you customize the direction, speed and alteration from the speed from the breeze, angle of throw in the match-stick etc. and the system will respond with the new results immediately! Thus, VR enables one to research real-life scenarios and obtain sufficiently accurate results just as though he/she were in the desired environment/ place, in person, but save your time, travel & resource costs etc.

VR applications consume awesome levels of computing power. In comparison, AR applications usually are not in any way demanding on resources - AR applications run comfortably on cellphones, tablets, other hand-helds, laptops and desktops. Very probably, you're using a number of AR apps on your Android/ iOS device, right this moment, lacking the knowledge of it! (e.g. Wordlens, Wikitude World Browser etc.).

The real reason for the real difference is that VR apps first need to correctly interpret whatever action the person performed and then 'make out' the appropriate response the real environment would return, full of animation, movements in the right directions, sounds etc as well as, much like correct physics, math and any other sciences involved. Most of all, 'latency', or even the response time from your application, needs to be sufficiently high. Or else, the consumer, who may have feature understandably high expectations, will most likely get so completely put-off that he/she might burst by helping cover their a string of unprintable words towards the effect "to hell using this type of dumb thing!'. To avoid such failures, a computer (or network of computers) designed with unusually powerful mobile processors, high-fidelity graphics software, precision motion trackers and advanced optics, is essential. Understanding that explains, why.

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