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

Think about the videos of an 100-metre dash through the recent Olympic Games. The main commentary may be in English and if so, as it is, that video will not be very thanks for visiting the French. Either changing the commentary to French or adding suitable French sub-titles is likely to make it more fulfilling to a French audience. This, in essence, is how AR finds its opportunity – augmenting the original with increased useful info – within our example, substituting French for English and as a consequence, making this article more significant for the French-speaking. As the second example, think about the video capture of your road accident. Two cars collide over a highway the other is badly damaged. The authorities most likely are not capable to pin-point which present in drivers was responsible for the accident by merely viewing the video. If, however, it was pre-processed by an AR application that added mass, speed and direction info. with the cars towards the video, then, usually the one responsible could possibly be established with all-around, maybe, hundred-percent certainty.

VR (Virtual Reality), on the other hand, is very completely different from AR. The truth is, the two only share a very important factor in common – computer based simulation. As stated before, the simulation furnished by VR has to be for these high quality that it’s indistinguishable from reality. Theoretically, this really is impossible. Therefore, for practical purposes, VR only means a qualification of approximation, sufficient for the user to secure a ‘live’ example of the simulated environment. Moreover, VR is interactive and responds sensorially, in ‘real-time’, and like real-life e.g. in a VR application, imagine you have a forest, on the point of 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. You then throw a lighted match-stick to the pile… the system will respond immediately showing a robust, quickly spreading fire burning about the pile, its shape occasionally altered with the breeze… so that as in real-life… the fox (scared through the fire), must try to escape? – and yes it does! The machine may allow you to affect the direction, speed and alteration within the speed with the wind flow, angle of throw of the match-stick etc. as well as the system will respond together with the new results immediately! Thus, VR enables you to definitely research real-life scenarios and obtain sufficiently accurate results just like though he/she were from the desired environment/ place, in person, but saving time, travel & resource costs etc.

VR applications consume awesome amounts of computing power. When compared, AR applications are not at all demanding on resources – AR applications run comfortably on cellphones, tablets, other hand-helds, laptops and desktops. Very probably, you are using a few AR apps on the Android/ iOS device, right this moment, with no knowledge of it! (e.g. Wordlens, Wikitude World Browser etc.).

The explanation for the difference is the fact that VR apps first have to correctly interpret whatever action the person performed and then ‘make out’ the proper response the real environment would return, filled with animation, movements within the right directions, sounds and so forth and in addition, much like correct physics, math and then for any other sciences involved. Above all, ‘latency’, or the response time through the application, has to be sufficiently high. Or else, the person, who’s come with understandably high expectations, will get so completely put-off that he/she might burst out with a string of unprintable words towards the effect "to hell with this particular dumb thing!’. In order to avoid such failures, a computer (or network of computers) equipped with unusually powerful mobile processors, high-fidelity graphics software, precision motion trackers and advanced optics, is necessary. Knowning that explains, why.

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