We all know that Micro LED technology is used for VR/AR, and VR, AR, MR, CR are so many "R", what is the difference?
Concept popularization
Virtual reality VR
Virtual Reality (VR, also translated as Lingjing, Magicality) is a high-tech that has emerged in recent years, also known as the Lingjing technology or artificial environment. Virtual reality is the use of computer simulation to generate a virtual world in a three-dimensional space, providing users with simulations of visual, auditory, tactile and other senses, allowing users to observe things in the third dimension in a timely and unrestricted manner as if they were immersive. .
Augmented reality AR
Augmented Reality (AR) is also known as mixed reality. It applies virtual information to the real world through computer technology. The real environment and virtual objects are superimposed on the same picture or space in real time.
Mixed reality MR
Mix reality (MR), which includes both augmented reality and enhanced virtual, refers to a new visual environment created by combining real and virtual worlds. In the new visualization environment, physical and digital objects coexist and interact in real time.
The system usually adopts three main features: 1. It combines virtual and reality; 2. In virtual 3D (3D registration); 3. Runs in real time.
Image reality CR
As for CR, it is the concept that Magic Leap once proclaimed, saying that it is Cinematic Reality, image reality, meaning that virtual scenes are as realistic as movie effects. But then it seems that their spokesperson also named himself MR.
The difference between VR and AR
Simply put, virtual reality (VR), seeing scenes and characters are all fake, is to put your consciousness into a virtual world. Augmented reality (AR), the scenes and parts of the characters that are seen are true and false, and bring virtual information into the real world.
The difference between VR and AR
VR device: Because VR is a pure virtual scene, VR equipment is more used for interactive interaction between users and virtual scenes. More use is: location tracker, data glove (5DT and the like), dynamic capture system, Data helmets and more.
AR equipment: Since AR is a combination of real scene and virtual scene, it basically needs a camera. Based on the screen shot by the camera, it combines virtual screens for display and interaction, such as GOOGLE GLASS (in fact, strictly speaking, IPAD, mobile phone) These products with cameras can only be used for AR, as long as the AR software is installed.)
Technical difference between VR and AR
Similar to game production, creating a virtual scene for human experience, the core of which is the performance of graphics. The most contact with us is the application in the game. It can be said that it is an upgraded version of the traditional game entertainment device, mainly focusing on whether the virtual scene has a good experience. And whether it is related to the real scene, they don't care. VR devices are often immersed, and the typical device is the oculus rift.
AR uses a lot of computer vision technology. The AR device emphasizes the ability to restore human vision, such as automatically identifying the tracking object, rather than manually pointing out; autonomous tracking and 3D modeling of the surrounding real scene, rather than opening Maya to do a very similar scenario. A typical AR device is a normal mobile phone, and an upgraded version such as Google Project Tango.
The difference between AR and MR
Under the above definition, AR is often regarded as one of the forms of MR. Therefore, in the industry today, AR is often synonymous with MR for the convenience of description or other reasons, and AR is used instead of MR.
Moreover, from the concept advocated by the industry, there is no obvious dividing line between AR and MR, and it is very likely that AR and MR will not be distinguished in the future. MR is more of a gimmick from Hololens and Magic Leap.
However, the so-called "AR devices" and "MR devices" are still slightly different in terms of the applied technology and display effects, so we will talk about the difference between these two types of devices (represented by Google Glass). AR equipment and MR equipment represented by Hololens and Magic Leap).
For the sake of understanding, we explain the general point, there are two main differences:
First, the relative position of the virtual object moves with the movement of the device. If it is, it is the AR device, if not, it is the MR device.
For example, wearing Google Glass, it projects a "weather panel" in front of your left, no matter how you walk around the house, or turn your head, the weather panel is always in front of you, it is with you ( Or Google Glass) The relative position is the same, wherever you go, where to bring it; and what about Hololens, it also projects a weather panel on the wall of the house, but the difference is that No matter how you walk around the house or turn your head, the weather panel is always on the wall, it won't move because of your movement
Second, in the ideal state (there is no information loss in the digital light field), whether the virtual object and the real object can be distinguished.
The virtual objects created by the AR device can be clearly seen as virtual, such as the virtual items that FaceU makes on the user's face, the virtual information that Google Glass projects as you move, and the Magic Leap, the virtual objects that the user sees. It is almost indistinguishable from real objects.
Of course, the boundary between "AR equipment" and "MR equipment" is not absolute (even if this limit is from the enterprise YY), here they are divided into two categories, mainly to let everyone understand the technology they have applied and achieve The effect is different. In the future, AR devices will also use technologies such as SLAM, digital light field and retinal projection (such as Google's Project Tango), when AR will evolve into MR.
VR, AR, MR companies and products
VR equipment representative: Oculus
AR equipment representative: HoloLens
MR Equipment Company: Magic Leap
(About Magic Leap's products, Rony Abovitz describes it as a small, stand-alone computer that can be used comfortably in public. In addition, it involves retinal projection technology.)
Source: CNLED network finishing from sensing the Internet of Things, VR to see the world
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