AR, MR, VR, CR, XR are stupid and unclear

In recent years, VR and AR have entered the public's field of vision and are deeply loved. Technology people also love to do things, AR, MR, VR, CR, XR, although only one letter difference, but they are currently different in technology and equipment.

Virtual Reality - Virtual Reality

It is the use of equipment simulation to generate a virtual world, providing users with simulations of visual, auditory and other senses, with full "immersion" and "presence". To put it simply, you wear a VR glasses (note: you can't see the real world after you wear it). Everything you see is computer-generated and virtual. A typical device is the Storm Mirror.

Augmented Reality - Augmented Reality

Augmented reality technology is a new technology that integrates real world information and virtual world information "seamlessly". It integrates physical information (visual information, sound, taste, etc.) that was difficult to experience in a certain time and space of the real world. Touch, etc.), through computer and other science and technology, simulation and then superimposition, the virtual information is applied to the real world, perceived by human senses, to achieve a sensory experience beyond reality. The real environment and virtual objects are superimposed in real time on the same picture or space.

Augmented reality, literally, is that "reality" is here, but it has been enhanced, and by whom? Being virtual information.

A simple way to distinguish between VR and AR:

VR needs to use an opaque headset to complete the immersive experience in the virtual world. You see a 100% virtual world, and AR needs a clear head-mounted device to see the real world and the information and images that overlap it. With real-world entities as the mainstay, digital technology is used to help consumers better explore the real world and deliver it with them.

To put it bluntly, the pictures displayed by VR are all fake, and half of the pictures displayed by AR are true and half are fake.

Mixed Reality - Mixed Reality

VR and AR have not yet reached the extreme, but there is already a sign of convergence, which is mixed reality, namely MR=VR*AR.

The MR definition is: mixing the real world and the virtual world to create a new visual environment that contains both physical entities and virtual information, and must be "real-time."

How to distinguish between AR and MR?

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.

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 information that GoogleGlass projects with you; and the MR device directly projects the entire 4D light field to the retina, the virtual objects and realities seen by the user. Objects are almost indistinguishable.

Augmented reality - CinematicReality

CinematicReality, image reality, means that virtual scenes are as realistic as movie effects. This is the concept proposed by Google's investment MagicLeap, mainly to emphasize the difference between VR and AR technology. In fact, the concepts are similar, both are the convenience of blurring the physical world and the virtual world. The tasks completed, the scenarios applied, and the content provided are similar to the MR products, so it seems that their spokespersons also put themselves I am married to MR.

Augmented Reality - Extended Reality

Extended Reality (XR) is a term that is currently unknown. Augmented reality refers to a real and virtual combination of human-computer interaction environment generated by computer technology and wearable devices. Augmented reality includes a variety of forms such as augmented reality (AR), virtual reality (VR), and mixed reality (MR). In other words, in order to avoid confusion, XR is actually a general term, including AR, VR, and MR. XR is divided into multiple levels, from virtual worlds with limited sensor input to fully immersive virtual worlds.

Although we can only talk about AR, VR and MR in recent years, I believe we can start talking about XR in the next few years.

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