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Five key technologies of virtual reality

September 09, 2021


1. Computer graphics technology

  The technology of generating, displaying, and drawing graphics with a computer is called computer graphics technology. The graphics in the computer are also represented in the form of data. To display the graphics or draw and print, the data must be converted into lines. Computer graphics technology can not only produce a large number of mechanical drawings, architectural drawings, circuit diagrams and geographic diagrams quickly, accurately, and standardizedly, which has become an important content of computer-aided design, but also can produce motion graphics and three-dimensional graphics, making the original drawing impossible. Things are realized.

2. Stereoscopic display technology

   Stereoscopic display is an implementation of virtual reality. Stereoscopic display mainly includes the following methods: two-color glasses, active stereoscopic display, passively synchronized stereoscopic projection equipment, stereoscopic display, true three-dimensional stereoscopic display, and other more advanced equipment.

  3, visual tracking and viewpoint sensing technology

Visual tracking refers to the detection, extraction, recognition and tracking of moving targets in an image sequence to obtain the motion parameters of the moving target, such as position, speed, acceleration and motion trajectory, etc., so as to carry out the next step of processing and analysis to realize the movement Understand the behavior of the target in order to complete higher-level detection tasks.

  4, voice input and output technology

   Speech recognition is an interdisciplinary subject. In the past two decades, speech recognition technology has made significant progress and has begun to move from the laboratory to the market. It is expected that in the next 10 years, voice recognition technology will enter various fields such as industry, home appliances, communications, automotive electronics, medical care, home services, and consumer electronics. The application of speech recognition dictation machine in some fields was rated as one of the ten major events of computer development in 1997 by the American press. Many experts believe that speech recognition technology is one of the ten important technological developments in the field of information technology from 2000 to 2010. The fields of speech recognition technology include: signal processing, pattern recognition, probability theory and information theory, sound mechanism and hearing mechanism, artificial intelligence and so on.

   5. Hearing, force and touch perception technology

   In the first year of 2012, many technology companies are studying the natural input methods of computers, such as controlling them through eyeballs, gestures and voice. Intel hopes to develop a unified solution that brings these new technologies together. Intel refers to such technology as "perceptual computing."