Augmented Reality technique (AR Technology )

Augmented Reality technique (AR Technology ), also known as augmented reality ( Taiwan).

Definition : the original in the real world of a certain time and space within the very difficult to experience the entity information ( visual information, sound, taste, touch and so on ), through science and technology simulation and stacked to the real world by human senses, so as to achieve the reality beyond the sensory experience, this technique is called augmented reality, referred to as the AR technology.

Augmented reality is a virtual world and the real world at the same time includes the elements of the environment. It appears with the progress of science and technology: one is closely related to computer graphics technology. Augmented reality user can wear transparent goggles, see through it the whole world, together with computer generated and projecting to the world the image surface, thereby allowing the physical world vision beyond the user's daily experience. This enhanced information can be in a real environment coexist with the virtual objects, and can also be a real object of non geometry information. Two is the spatial positioning technology. In order to improve the effect of augmented reality, projected images must be positioned in the space is associated with a user. When the user rotates or moves his head, vision changes, computer generated enhanced information accordingly change. It is to rely on a 3D environment registration system. This system real time detection of the user's head position and gaze direction, for the computer to provide virtual information in the projection plane mapping in the position basis, and these information real time displayed on the screen in the correct position. Three is the human intelligence ( Humanistic Intelligence ). Human intelligence to the processing equipment and people's physical and mental ability to combine features. It is not the imitation of human intelligence, but to try and play sensors, wearable computers and other technical advantages, allowing people to capture their daily experience, remembering what one sees and hears, and more effective communication with others. In this sense, it is the people's physical and mental expansion. As an intelligent, it is based on the user feedback during the calculation process, does not require conscious thought and effort. At present, foreign countries engaged in augmented reality research university in the USA, Massachusetts Institute of Technology, Columbia University, the University of North Carolina, University of Washington, University of Cambridge, University of Tokyo, Keio University, UK, Japan, Australia University of South Australia; enterprises have the German company Siemens, the United States Xerox Corporation, Sony Corporation of Japan. National Beijing Institute of Technology, National University of Defense Technology, Xi'an Petroleum Institute, University of Electronic Science and technology, Huazhong University of Science and Technology, Shanghai Univer and other institutions have carried out studies in this area.

Mann was on Augmented Reality definition is given as follows:" the dynamic background, specialized information on user's visual field". [7 ] Fernie and Richards will be augmented reality is understood as a type of virtual reality. Is characterized by the image information on the real world caused by the combination of the two. [8 ] we might as well be augmented reality as a new stage in the development of virtual reality. It with the aid of computer graphics and visualization techniques to generate the virtual object, and through the sensing technology will they accurately" placed" in the real environment, so that the display device and the real environment com. Augmented reality has the following characteristics : one is the combination of virtual and reality. It can be extended to display screen in real environment, so that the computer window and icon superimposed on a real object, by eye gaze or gesture pointing operation; let the three-dimensional objects in the user's field of view according to the current task or requiring the interactive change its shape and appearance; for realistic goals by superimposing virtual scene generation is similar to X light perspective effect; the map information directly into the reality of landscape in order to guide the driver action; through the virtual window view outdoor scene, the walls seem to become transparent. Two is a real-time interaction. It makes the interaction from the accurate position is extended to the entire environment, from simple people face the screen exchanges to their integration in the surrounding space and object. Application of information system is no longer conscious and intentional act independently, but people's current activities come very naturally to become one. The interactive system is no longer have a clear position, but extend to the whole environment. Three is a 3D registration, according to the user in a three-dimensional space movement adjusting computer generated enhanced information.