What technologies are VR and AR, and what are the differences?

vr refers to virtual reality technology, and ar refers to augmented reality technology. The difference: AR adds or removes interactive virtual objects or information generated by a computer in real time in the real environment; VR allows users to immerse themselves in a computer-generated three-dimensional virtual environment and isolate it from the real environment.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

What is AR technology?

AR is the abbreviation of Augmented Reality in English. Its Chinese meaning is augmented reality technology. It is a real-time computer camera image position. The ultimate goal of this technology is to set the virtual world in the real world on the screen and interact with it. This technology was proposed in 1990.

What is VR technology?

VR is the abbreviation of English Virtual Reality, and the Chinese meaning is virtual reality. This concept emerged in the 1980s. It refers to a new way of human-computer interaction created with the help of computer and sensor technology.

VR is a computer simulation system that can create and experience a virtual world. It uses computers to generate a simulation environment. It is a multi-source information fusion, interactive three-dimensional dynamic vision and entity behavior. System simulation immerses the user in the environment.

What is the difference between AR technology and VR technology?

To put it bluntly, AR (augmented reality, augmented reality): adding or Remove interactive virtual objects or information generated by a computer in real time. VR (virtual reality): A three-dimensional computer-generated virtual environment that allows users to immerse themselves in it and is isolated from the real environment.

1. Different technologies used

VR is a collection of simulation technology, computer graphics, human-computer interface technology, multimedia technology, sensing technology, network technology and other technologies.

AR includes new technologies and methods such as multimedia, three-dimensional modeling, real-time video display and control, multi-sensor fusion, real-time tracking and registration, and scene fusion.

2. Different principles

VR uses computers to generate a simulation environment, a system simulation of multi-source information fusion, interactive three-dimensional dynamic vision and entity behavior to immerse users into that environment. The main principle is to build a virtual environment.

The basic idea of ​​AR is to add images, sounds and other sensory enhancements to real-world environments in real time.

3. Different functions

VR can realize human-computer interaction, has multiple perceptions, and can completely immerse people in the virtual world, while AR technology must be combined with reality to achieve intelligent It has low sex, cannot interact with humans, and cannot make people forget reality.

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