Virtual reality - what is it?

As more and more of our customers, when looking at the list of services, ask the question “what kind of reality?”, We decided to make a small explanation. Virtual reality, augmented reality, what is it and what does it eat with? - The answers to these questions you will learn in this article.

Let's start with the most popular:

A VIRTUAL REALITY

A virtual reality

Virtual reality is usually called artificial space in which the user feels the full effect of presence. It turns out this very "presence effect" due to the effect on the main human senses - sight, hearing, touch - and sometimes the smell.

Vision is not just on this list in the first place - it is through it that we get most of the information about the world around us (blind ninjas from Japanese and Hollywood fighters do not take into account). Actually, this is why most of the specialized & nbsp; devices have the form of glasses - we must see this reality with our own eyes.

In this regard, one of the basic principles of virtual reality is the so-called. stereo effect. The essence of this effect lies in the fact that our two eyes see slightly different pictures. It is easy to notice, alternately closing your eyes. The current technologies take into account this difference and adjust a slightly different picture to each eye. And to these images covered the entire field of view, lenses are used.

In other words, in virtual reality glasses, we see not one picture, but two - and as a result, visible objects appear voluminous and similar to real ones (if the resolution and quality of the texture, of course, allow).

Take a closer look - the image in the pictures is slightly different

The second basic element of virtual reality is to achieve the possibility of interaction with this very reality. In other words, for complete immersion we need not only to see three-dimensional objects, but also to be able to move and feel them. In addition, the opportunity to move oneself is extremely necessary: what kind of reality is it if one cannot move from one point in it?

As you understand, this task will be more complicated than the stereo effect, however modern technologies have learned to cope with it. & Nbsp; True, so far this is the lot of only expensive devices equipped with a full-fledged system of substations. The essence of the technology is based on LEDs and is explained by the fact that the base stations with a certain periodicity send laser beams to the glasses themselves and thus accurately measure their position in space. This allows you to track the movement of the head and adjust the image under it.

Sample location tracking helmet

In more budgetary decisions such technologies are not used. There, you need a keyboard or joystick to interact with items.   Although it is possible to look around in them.

ADDITIONAL REALITY

The simplest example with one of the simplest Nokia

At once we will tell - these are not synonyms and not complementary solutions. These are two completely different technologies.

Augmented reality (from the English. Augmented reality - AR) is the technology of “drawing” a picture or video on the image received from the device's camera. Everyone probably remembers some movies about robots, in the eyepieces (eyes?) Of which clues immediately appear about the place, enemy weapons, etc. This is augmented reality.

The simplest gadget for using augmented reality is a smartphone - modern power is enough for processing and “drawing” the necessary content. Each of us must have come across some application that adds some elements and effects to the front camera image - this is also an augmented reality.

The spectrum of the use of augmented reality, oddly enough, is much wider than that of virtual reality. Medicine, military equipment, cars - it would be convenient for everyone to receive any information directly on the screen of glasses or onboard glass. However, the creation of specialized instruments for viewing this very reality is more complicated and expensive. At the moment, there is a depressing   small number of such devices.

However, in the future, this gap will be filled - the potential for AR development is huge. Virtually any object you can embed certain tags that the device will read. Every item in the store, every building on a guided tour and much more.

DEVICES FOR VIEWING

Equipment to enter heaven

Devices for working with VR can be divided into 2 groups - helmets and headsets. Let's talk more.

Helmets are systems equipped with a full screen and substations to determine the location of the helmet. Such devices are also called Head Mounted Display - i.e. head-mounted displays. In fact, the way it is - the devices are monitors with lenses and location sensors. Such monitors are put on the head - and voila. You are in virtual reality. This type of device includes the Oculus Rift, HTC Vive and PlayStation VR.

Benefits:

  • real virtual reality, with almost no limits.

Disadvantages:

  • Weight - the device weighs about 300-400 grams and with long-term use guaranteed unpleasant sensations in the neck.
  • Price - devices are complex, costly - hence the price.
  • The need to have a powerful PC - we did not just call helmets "monitors". And monitors always need a system unit.

The second type of device is the so-called "headset" - a device that represents a sort of stand for a smartphone with lenses. The most famous of them are Samsung Gear VR, Fibrum and Google Cardboard.

One of the most budget options for headset glasses

How does it work? Just. A smartphone with a running application is inserted into the case, a wireless remote control (joystick / keyboard) and headphones are connected to it (to the smartphone). Thanks to the lenses, the smartphone screen is enlarged and voila - we are in virtual reality. However, it is necessary to move in it by pressing the keys, and for turning the head, the smartphone must be equipped with a gyroscope.

Benefits:

  • price (Fibrum costs about 3 thousand rubles).

Disadvantages:

  • The need to use third-party controllers for movement.
  • The need for a powerful smartphone.

FORECAST FOR THE FUTURE

Probably, in the future, the expression " send the child for a walk " will cease to be connected with the street

According to Canalys, in 2016, over 2 million devices of the “helmet” class were sold. With regards to the headset devices, their sales have exceeded several million.

However, these figures are far from bright - say analytical agencies. The demand turned out to be lower than expected and the reason for that was the lack of content. Analysts say the industry still needs time to grow.

Our company agrees with the opinion of analysts. About two years ago, few people even heard about the glasses of virtual reality - but now the industry is developing rapidly. Now, high-quality devices are still expensive - but remember, was it not exactly the same with mobile phones and computers that practically everyone has today?

It remains only to wait and prepare the content for adaptation. And sometime (it is very likely that already soon enough) glasses of virtual or augmented reality will press standard monitors.