Virtual Reality and Augmented Reality: What’s the Difference?

Virtual Reality and Augmented Reality: What's the Difference?


Virtual Reality and Augmented Reality: The boundaries between these two technologies are blurred. However, if they do have traits in common, they convey two completely different visions and specific uses.

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It appeared in the mid-1990s and has been perfected over the past decade, and Virtual Reality It is an evolution of techniques for representing the world in three dimensions. But unlike a video game or traditional multimedia experience, where the user stays away from the screen, a file Virtual Reality drown us inbeing in 3D, using a headset and sensors from movements Which will make us “live” in this universe.

Far from the primitive experiences of the 1990s, modern virtual reality solutions have evolved greatly. most popular,oculus rifthe got it FBor HTC Vive, made in collaboration with Valve (steam), and consists of three elements: a virtual reality headset Connect it to the video inputs and ports USB From his computer (preferably a high-end one), motion sensors are placed in the room to detect them and controls that allow the user to interact in space with his hands. The helmet broadcasts images in 3D stereoscopic image via screen and lentil Which makes it closer to the eyes. The feeling of being in a virtual space can be overwhelming.

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Other simpler solutions exist, such as those based on the smartphone (Samsung Gear VR, Google Daydream…) or standalone headphones like Oculus Go. these headphones light » Offer simpler experiences, focusing primarily on head movements (360° video, virtual tour, etc.) or with the help of a controller (joystick or remote control). In any case, the image displayed in front of the user’s eyes completely isolates him from reality, which can also cause vertigo problems, claustrophobia Or involuntary shocks to objects in the room. Virtual reality requires pushing furniture!

Augmented Reality: The Reality Enriched by Virtual Reality

The augmented realityReality is enriched with virtual elements. We can see it as a lens through which we look at an “enhanced” version of reality, with superimposed information, all the way to imaginary 3D objects being combined into a room.

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We can consider the simple vertex width of the cars as a form of augmented reality. Experiment Google glasseswhich broadcasts visual information in one corner of a fileEyewas another example: showing a Google Maps map and directions while walking, without having to look at your smartphone.

The most advanced augmented reality technologies are deployed by Google and apple on their mobile operating system. The APIs AR Core (side robot) and AR Kit (version iOSTurning smartphones into prisms for augmented reality, even if it’s not practical: we’re always looking at a screen that broadcasts a video clip rich in reality. However, augmented reality on smartphones continues to be enriched with new applications (board games, measurement or astronomy tools, etc.) and their possibilities are improved. iOS 12, for example, introduces the concept of persistent experiences (which can be left and resumed in the same state) and shared between multiple users.

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Microsoft has been developing a more ambitious version for a few years with a holographic helmet Hololins. And here there is no opaque screen between the user and his environment, but hologram Shown on the transparent lenses of the helmet. Beyond the fun side – we can play Maine Craft on him low table

Hololins It promises interesting uses in professional settings such as medicine or industry.

Magic Leap offers a similar approach, based on (relatively) slimmer glasses, and promises better integration of 3D objects into the real world using depth of field. On the other hand, initial renderings seem disappointing to those lucky enough to wear the device.

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