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| VR Display |
We are on an era of constant and inclining technological advancement in the field of Gadgets.From the invention of wireless devices towards touch screen devices and in turn Smartphones.A Smartphone is a device which packs various sensors like gyrometer ,accelerometer, fingerprint scanners, proximity and now at the edge of iris sensors.But the time has come for this form factor to change. Virtual headsets and Augmented reality headsets are going to replace the now ageing touchscreen technology.But what is Virtual Reality and Augmented reality? How it works? Are they two distinct phrases? Is there any difference between these two? Lets find out!
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| Oculus Rift |
Virtual Reality is a term used to define any sort of simulation using advanced gadgets.It simulates a virtual environment without being there for yourself.You can be at the place of volcano without going there.or experience deep underwater world, or indulge in to a never existing imaginated fantasy world.All these with the help of VR devices.The most compact form of VR device now is the OCULUS RIFT.But how does it work? A virtual headset is a device which packs advanced sensors that tracks head movement, Lenses for visual perspective and a display for the virtual experience.
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| Google Cardboard |
talking about the sensor, It has Head tracking accomplished with 1000 Hz absolute 9DOF orientation sensor (includes gyroscope, accelerometer, and magnetometer).As for a simplest example, take the case of water level app in your smartphone.Yes ,it makes use of accelerometer, See how it performs 100 % accurate.Thus it is not a magical achievement.It just took time for someone to think about it, and is now a reality.What an accelerometer does? Lets look into it. piezoelectric effect is the most common form of accelerometer used n these devices and it uses microscopic crystal structures that become stressed due to accelerative forces. These crystals create a voltage from this stress, and the accelerometer interprets and calculates the voltage to determine velocity and orientation of the actual movement.Gyroscope helps measure the orientation levels and the magnetometer helps analyze the magnetic properties.all these constitutes the sensors of VR devices.In addition smartphones can also be used as VR as it has all the sensors packed in a VR headset ,by adding it with Google's Cardboard which packs two lenses and slot for placing the smartphone.
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| Holographic Experience( Photo: Microsoft Ad.) |
Augmented Reality is another term which refer to the use of virtual reality immersed into the real world.It acts as a form of assistance enabling doing tasks in a real world environment.It is also known or called as Holograms.The device which enables augmented reality is the Microsoft Holo Lens which is already under developed and will be in market soon.This device also uses head tracking sensors and in addition it uses an energy efficient depth camera, a microphone array,and a Photographic Videographic Camera which captures the real world.The depth camera analyzes the external environment for the purpose of placing holograms according to the application.The main advantage of thus device is architectural designing making concept models at an instance and without paper calculations. This tech helps them design in the real world as Holograms.This also helps in gaming.Imagine suddenly an alien comes to your room.This is possible with Holo Lens.
At the end of the day, VR and AR are the same except that AR devices packs some additional sensors and camera for the purpose of integrating the real world with virtual world.where as VR devices completely takes you into a virtual world.By using it you are completely blinded from the real world.Both are to be out for sale this year and are expected to shake up the gadget sector.
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