Method for Realizing Virtual Information Labeling and Drawing Labeling Lines in the Field of Augmented Reality
A technology of augmented reality and labeling lines, which is applied in the field of computer vision and can solve the problems of unlabeled visual correlation of virtual information.
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Embodiment 1
[0052] see figure 1 It is a flow chart of the method for drawing label lines in Embodiment 1 of the present invention, including steps:
[0053] S101: Select a coordinate point in the world coordinate system as the first end point of the label line;
[0054] S102: Select a coordinate point in the image coordinate system as the second endpoint of the label line;
[0055] S103: Perform coordinate system transformation on the second end point of the labeling line, and map it to the world coordinate system to obtain the coordinates of the second end point of the labeling line in the world coordinate system;
[0056] S104: The graphic drawing software draws a 3D marked straight line according to the three-dimensional coordinate values of the first end point of the marked line and the second end point of the marked line in the world coordinate system. The image drawing software described in this step is OPENGL or OPENGLES or DirectX.
[0057] In step S103, the coordinate system ...
Embodiment 2
[0066] see figure 2 , which is a flowchart of a method for drawing marking lines in Embodiment 2 of the present invention, including steps:
[0067] S201: Select a coordinate point in the world coordinate system as the first end point of the label line;
[0068] S202: Select a coordinate point in the image coordinate system as the second endpoint of the label line;
[0069] S202: Transform the coordinate system of the first endpoint of the labeling line, and map it to the image coordinate system to obtain the coordinates of the first endpoint of the labeling line in the image coordinate system;
[0070] S202: The graphic drawing software draws the marked line according to the coordinate values of the first end point of the marked line and the second end point of the marked line in the image coordinate system. The image drawing software mentioned in this step is OPENGL or OPENGLES or DirectX. In this embodiment, the marked straight line is a marked line with a 2D effect. ...
Embodiment 3
[0079] This embodiment provides a method for realizing virtual information labeling in the field of mobile augmented reality. When implementing this embodiment, it is necessary to draw a labeling line. The drawing of the labeling line adopts the labeling line drawing method in Embodiment 1, which will be combined below Figure 3 to Figure 6 To introduce this embodiment, specifically, this embodiment includes the following steps:
[0080] a1: Set a fixed area on the mobile terminal interface as the marked information area, for example, you can image 3 The fixed area M is set on the schematic mobile terminal interface as the marked information area. This area will only appear when the virtual information superimposed on the real scene is marked and displayed during the augmented reality process. image 3 for indication only;
[0081] a2: Choose a coordinate point on the outline of the augmented reality template in the world coordinate system as the first endpoint of the label ...
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