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Coordinate transformation method for displaying detection information in AR system

A technology for detecting information and coordinate transformation, applied in image data processing, instruments, etc., can solve problems such as misalignment, reducing the reality of virtual information, and lack of accurate calculation of position coordinates

Pending Publication Date: 2019-10-01
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a coordinate transformation method for displaying detection information in an AR system, which is used to solve the problem that the AR system in the prior art is difficult to achieve seamless fusion of virtual information and real information, and there is a lack of accurate calculation of position coordinates. When virtual information and real information are displayed at the same time, there will be misalignment and other phenomena, which reduces the technical problem of virtual information realism

Method used

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  • Coordinate transformation method for displaying detection information in AR system
  • Coordinate transformation method for displaying detection information in AR system
  • Coordinate transformation method for displaying detection information in AR system

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Embodiment 1

[0024] figure 1 It is a schematic flow diagram of a method for removing fluoride ions in water in an embodiment of the present invention, as figure 1 As shown, the method includes:

[0025] Step 10: Determine the observation position of the human eye and the position of the target of interest.

[0026] Step 20: Perform coordinate transformation from the real position of the target of interest to the projected position of the target of interest on the AR display device.

[0027] Step 30: Transform the position coordinates of the object of interest on the AR display device to the coordinates of the object of interest on the AR projection device.

[0028] Specifically, first determine the coordinates of the human eye observation position, and obtain the position information of the target of interest in the real world coordinate system, determine the plane equation of the plane where the virtual information display device is located, and calculate the projection of the real posi...

Embodiment 2

[0050] In order to better introduce the technical characteristics and uses of the coordinate transformation method used to display detection information in an AR system of the present invention, the advantages of the present invention will be described in detail below in conjunction with specific embodiments, please refer to figure 2 , 3 , 4.

[0051] combined with Figure 2-4 , using the coordinate transformation method proposed in the present invention to detect and display lane lines in the vehicle-mounted HUD system for further description and deduction of formulas.

[0052] In the first step, the camera is used to obtain the position information of the object of interest in the real world coordinate system.

[0053] (1a) if figure 2 As shown, establish the real world three-dimensional space coordinate system XYZ, with the ground as the XOY plane;

[0054] (1b) if figure 2 , determine the camera 1 position coordinate P in the real world coordinate system c =(x c ...

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Abstract

The invention discloses a coordinate transformation method for displaying detection information in an AR system. The coordinate transformation method comprises the steps: determining a human eye observation position and a position where an interested target is located; carrying out coordinate transformation on the real position of the interested target to the position where the projection of the interested target on the AR display equipment is located; and transforming the position coordinates of the interested target on the AR display device to the coordinates of the interested target on theAR projection device. The technical problems that an AR system lacks accurate calculation of position coordinates, dislocation occurs when virtual information and real information are overlapped at the same time, and the sense of reality of the virtual information is reduced are solved. Accurate position coordinate transformation calculation is realized; and the image display position of the AR system can be automatically adjusted by combining the technology for positioning viewer's eyes in real time, and the virtual projection on the AR display equipment can be matched with the accurate position of the target in the real scene in the visual field of the viewer, so that the technical effect of seamless fusion of reality and reality is realized.

Description

technical field [0001] The present invention relates to the technical field of augmented reality AR, in particular to a coordinate transformation method for displaying detection information in an AR system. Background technique [0002] Augmented reality is a technology that can integrate virtual information (objects, pictures, videos, sounds, etc.) Used to interact with people. Virtual reality technology has great application potential in many fields, such as car assisted driving, remote shopping, games, etc. [0003] Augmented reality is a technology that can be used to interact with people. It has very high requirements for user experience. However, it is still difficult for the current AR system to seamlessly integrate virtual information with real information. One of the important factors is the computer When visualizing virtual information, there is no accurate position coordinate calculation, so when virtual information and real information are displayed at the same...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T19/00
CPCG06T19/006
Inventor 齐飞宋志明王政府刘薇聂海林春焕石光明
Owner XIDIAN UNIV
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