The representation of virtual reality

下面为大家整理一篇优秀的paper代写范文- The representation of virtual reality，供大家参考学习，这篇论文讨论了虚拟现实的表现形式。虚拟现实是利用计算机生成的一种模拟环境，是一套可以体验虚拟世界的计算机仿真系统。其中虚拟现实的表现形式分为全景展示和物体展示。全景展示是指选择一个物体固定，将固定的物体作为参照物，镜头位置相对固定物移动。物体展示则是指镜头相对固定而使物体进行运动。

Virtual reality is a kind of simulation environment generated by computer. It is a computer simulation system that can experience virtual world. With the rapid development of virtual reality technology, its application has spread to various industries and achieved remarkable results. For example, virtual reality has revolutionized medical science, industrial design, real estate development, military technology and other fields. The development of virtual reality technology and various interactive devices are not perfect, and even the compatibility between devices is still lacking. However, with the rapid development of science and technology, the problems encountered in virtual reality will be solved slowly. Virtual reality technology is widely used and has a bright future in various industries. It can be predicted that it will develop vigorously in the future.

The traditional sand table can only reflect the overall planning of a project, and the design details in the project are rarely involved or even directly ignored, which is caused by its large spatial limitations. In this case, the information of the media cannot be displayed in it, and the amount of information in it is seriously lacking, which is a fatal shortcoming of the traditional sand table. With the continuous development of science and technology, virtual reality technology comes into being. It can provide an infinite virtual space, which can fully reflect the whole and details of a project. Virtual reality technology can be interlinked with other multimedia, showing each part of virtual reality in more detail and complete.

Traditional effect drawings can be two-dimensional or three-dimensional, showing one or more aspects of a project to others. However, these traditional renderings have many disadvantages. First of all, these renderings are static and can never be changed after showing one or more aspects. Second, the presentation of these aspects needs to be written so that others can understand. This is too mechanical, not intuitive, not comprehensive. Virtual reality technology combined with multimedia introduction program perfectly solves this problem. In the process of watching, the viewer does not need to exert spatial imagination, but will intuitively reveal it.

Traditional 3d animation also realized the deficiency of still picture, so it gradually developed and produced animation demonstration. Although animation has some advantages, such as sound and animation play simultaneously, more intuitive. However, there are still many disadvantages. First of all, the way of animation class demonstration is to play multiple pictures together, just to show the effect of the project. Second and more importantly, the sequence of the animation is adjusted according to the producer's wishes. The viewers can only watch what the animation shows, and the viewers cannot view the information of each part according to their own wishes. Fortunately, however, in the above two forms, the problem of rendering has been completely solved by virtual reality technology.

Panoramic display refers to the selection of a fixed object, the fixed object as a reference, the camera position relative to the fixed object movement. For example, the design of virtual exterior display adopts panoramic display, which is not limited by space. Virtual display tour, which can be viewed from all angles, is more intuitive than ordinary display.

Object display is when the lens is relatively fixed and the object moves. For example, when displaying a product, the camera will not change the position of the product, but move the product. In the indoor display of cultural relics, the lens is kept fixed and the object is moved to show the indoor display design. Because of the huge indoor model and the huge amount of modeling data of complex bronze relics, in order to run the scene smoothly, picture modeling becomes an important way to assist modeling when there are many faces. Scene display: both the object and the lens can move. If multiple observation points are set, they can be moved from one observation point to another, which is the comprehensive application of panoramic object display. The presentation is more realistic: objects and lenses move and remain relatively still, as in real life, allowing three dimensions to feel as if they were in it. Coupled with sound, light and other effects, it is very similar to the real scene, achieving a three-dimensional to four-dimensional development effect.

Static or dynamic 3D models are the most basic forms of AR technology, such as furniture exhibits and animation characters. The development of virtual reality technology in China is not perfect and its application scope is not very wide. It is mainly used in mobile software of virtual reality technology. Representative of them are ikea's AR furniture APP and baidu map APP, etc. At present, the virtual reality technology reflected by this mobile software is relatively simple, but with the rapid development of science and technology and broad application prospects in this aspect, virtual reality will get better and better.

Transparent video is a specially processed video, not an ultra-hd 3D character model. Transparent video doesn't cost much to make compared to 3D models, but it is a realistic interpretation. This kind of transparent video basically puts in large poster and bazaar activity, this kind of circumstance person flow is big, the person that watch is very much, can receive the result that expect is less than.

Scene presentation is a combination of multiple complex 3D models according to a certain sequence of time, rather than a superposition of simple 3D models. There are more scenarios and more applications. Scene display also widely exists in entertainment, games and other applications, the construction of such scenes needs the support of content. AR scene presentation is different from the whole scene built by VR. AR scene presentation is based on reality and interlaced with reality, which is also the unique leading edge of AR technology.

Virtual reality technology is also very prominent in games. Virtual reality technology has led to innovative changes in the way games are played, with games like parallel kingdoms and city spirit go both AR games. In the future, large-scale games do not need complex scene modeling, but transfer actual application scenes into the game, just like playing games in the real world, which greatly improves people's game experience.

Virtual reality technology and augmented reality technology continue to enrich our lives. AR technology mainly breaks through the objective limitations of time and space, allowing people to experience experiences that cannot be had in the real world. VR technology is a simulation environment. With the development of science and technology, the boundary between AR and VR will become more and more blurred, and the integration degree of the two will become more and more close. The future development trend is the combination of virtual reality and augmented reality. The new technology generated by the combination of science and technology is the real core of the development of science and technology in the future virtual reality world.

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