Recently, VR fire can't work, there is a kind of meaning that you don't know that VR is embarrassed to go out and chat with others. However, there are still many people who read a lot of articles, that is, they don't know what VR is. What is the difference between VR and AR? It is even more difficult for MR and CR. Answer these questions today.
VR
VitualReality, a virtual reality, uses computing equipment to simulate the creation of a three-dimensional virtual world, providing users with simulations of visual, auditory and other senses, with a full sense of "immersion" and "presence." As the saying goes, everything you see is computer-generated and fake. Typical output devices are the Oculus Rift, HTC Vive, and more.
AR
AugmentedReality, augmented reality, literal interpretation is that reality is here, but it has been enhanced, who has been enhanced? Being virtual information. Two typical AR systems are in-vehicle systems and smartphone systems, and the most discussed AR device is Google Glass.
Many cars have added AR applications to their in-vehicle systems. For example, GMC projects virtual images on its windshield. The intention is to let the driver not have to look down at the display and data of the meter, always keep looking up, lowering the head and looking up. During the period, the rapid changes of the external environment and the delay and discomfort caused by the constant adjustment of the eye focal length are required; or the driver is better able to perceive the road condition information and improve the driving safety.
There are actually many applications on the smartphone that belong to the AR, but people often don't call them AR on the line. For example, some LBS (geographic-based services) applications, when you open the application, point the phone camera to a building, the phone screen will reveal information about the building, such as name, floor and so on. Another example is the FaceU, which was fired some time ago. It is also an AR application. It captures the user's head in real time and superimposes the virtual information like hat, rainbow and rabbit ears on the user's head.
GoogleGlass allows you to project virtual images directly onto your retina through a pico-projector on your glasses when interacting with your surroundings, so what you see is the real world of superimposed virtual images. There may be doubts about the pottery, what is the difference between it and Hololens and Magic Leap? Don't worry, keep looking down.
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