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AR (Augmented Reality) & Virtual Reality (VR) applications (apps) tend to be according to computer simulation of real-life scenarios and environments. The simulation will bear a higher a higher level resemblance with whatever is being depicted from real-life, either graphically or sensorially. The term ‘sensorially’ is broader than ‘graphically’ since it means all things perceptible to senses I.e. graphics, touch, sound, voice, smell and so forth. Usually, the degree of resemblance together with the original needs to be often times higher and more accurate in the matter of VR when compared to AR apps.

Take into account the video recording of a 100-metre dash from your recent Olympics. The original commentary might be in English and if so, as it is, that video will never be very welcome to in france they. Either changing the commentary to French or adding suitable French sub-titles can make it more fun with a French audience. This, in essence, is where AR finds its opportunity – augmenting the initial with increased useful info – in our example, substituting French for English and thus, making this content worth more to the French-speaking. As another example, take into account the video capture of an road accident. Two cars collide over a highway then one is badly damaged. Law enforcement is probably not capable to pin-point which present in drivers was to blame for the accident merely by viewing the video. If, however, the playback quality was pre-processed by an AR application that added mass, speed and direction info. in the cars to the video, then, normally the one responsible could possibly be established with all-around, maybe, hundred-percent certainty.

VR (Virtual Reality), on the other hand, is very distinctive from AR. Actually, both only share a very important factor alike – computer based simulation. As stated before, the simulation given by VR has to be of which good quality that it’s indistinguishable from reality. Theoretically, that is impossible. Therefore, for practical purposes, VR only means a college degree of approximation, sufficient for the user to secure a ‘live’ experience with the simulated environment. Moreover, VR is interactive and responds sensorially, in ‘real-time’, and as in real-life e.g. in a VR application, imagine you have 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 certainly throw a lighted match-stick onto the pile… the device will respond immediately showing a solid, quickly spreading fire burning about the pile, its shape occasionally altered through the wind flow… so that as in real-life… the fox (scared from the fire), must back off? – plus it does! The system may allow you to change the direction, speed and alteration inside the speed with the wind flow, angle of throw from the match-stick etc. along with the system will respond with the new results immediately! Thus, VR enables anyone to test out real-life scenarios and have sufficiently accurate results in the same way though he/she were from the desired environment/ place, face-to-face, but time savings, travel & resource costs etc.

VR applications consume awesome quantities of computing power. When compared, AR applications are certainly not at all demanding on resources – AR applications run comfortably on mobiles, tablets, other hand-helds, laptops and desktops. Very probably, you use a number of AR apps in your Android/ iOS device, at this time, not understanding it! (e.g. Wordlens, Wikitude World Browser etc.).

The explanation for the main difference is that VR apps first must correctly interpret whatever action an individual performed after which ‘make out’ the right response how the real environment would return, complete with animated graphics, movements in the right directions, sounds and the like as well as, according to correct physics, math and then for any other sciences involved. Above all, ‘latency’, or even the response time in the application, must be sufficiently high. Or else, an individual, that has have understandably high expectations, will most likely get so completely put-off that he/she might burst out with a string of unprintable words on the effect "to hell with this dumb thing!’. To stop such failures, some type of computer (or network of computers) furnished with unusually powerful mobile processors, high-fidelity graphics software, precision motion trackers and advanced optics, is necessary. Which explains, why.

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