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What Is VR Technology

Table of Contents


Virtual reality (English: virtual reality, abbreviated as VR), referred to as virtual environment, is to use computer simulation to generate a three-dimensional virtual world, providing users with simulations of vision and other senses, so that users feel as if they are in the scene, and can instantly , Observing things in three-dimensional space without limitation. When the user moves the location, the computer can immediately perform complex calculations and send back accurate 3D world images to create a sense of presence. This technology integrates the latest developments in computer graphics, computer simulation, artificial intelligence, sensing, display, and network parallel processing. It is a high-tech simulation system assisted by computer technology.

The development status of VR technology

Virtual technology has gradually matured, and its applications are numerous. For example: medicine, games, military aerospace, interior design, real estate development, industrial simulation, cultural relics, etc.

  1. In medicine, virtual technology can build a virtual human body model. Through tools such as track balls and sensory gloves, students can more clearly understand the internal organ structure of the human body, which not only improves the teaching quality but also increases the fun of the classroom.
  2. In terms of games, 3D games provide a huge traction for the development of virtual technology, and are also one of the important application directions of virtual reality technology. Through the realization of 3D games, compared with 2D games, players can be more deeply integrated with the game, and the sense of realism and immersion is greatly enhanced, such as Sony’s PlayStation.

Main features of VR technology

  1. Multi-perception:
    The so-called multi-sensory means that in addition to the visual perception of general computer technology, there are also auditory perception, force perception, tactile perception, motion perception, and even taste perception and smell perception. An ideal virtual reality technology should have the perception functions that all human beings have.
  2. Immersion:
    Also known as presence or presence, it refers to the degree to which the user feels as real as the protagonist in the simulated environment. The ideal simulation environment should make it difficult for users to distinguish between real and fake, so that users can fully devote themselves to the three-dimensional virtual environment created by the computer. Everything in this environment looks real, sounds real, moves real, and even It smells, tastes and feels real, just like it does in the real world.
  3. Interactivity:
    Refers to the degree to which the user can manipulate objects in the simulated environment and the natural degree (including real-time) to get feedback from the environment. For example, the user can directly grasp the virtual object in the simulated environment with the hand. At this time, the hand has the feeling of holding the object and can feel the weight of the object. The grasped object in the field of vision can also move immediately with the movement of the hand.
  4. Imagination:
    Also known as autonomy – emphasizing that virtual reality technology should have a broad imaginable space, which can broaden the scope of human cognition, not only reproduce the real environment, but also freely conceive the objectively non-existent or even impossible environment.

The future trend of VR technology

  1. Faster network:
    The development of VR technology puts forward high requirements on computer processing speed and network speed, which will have a profound impact on Internet service providers and cloud storage service providers. Prompt them to carry out technological innovation and equipment upgrading.
  2. Smaller headsets:
    Head-mounted display devices currently on the market are still a bit cumbersome for heavy use, and the design is a bit weird. The arrival of faster graphics cards and mobile phones may make VR headsets even smaller and easier to use than they are today. As technology develops, VR technology is more capable of creating the full immersion needed.
  3. Education and training:
    VR technology not only allows people from different spaces to appear in a virtual environment at the same time, but more importantly, the sense of immersion provided by VR can make education, training and other projects more realistic.

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