Method for solving camera inner parameters by utilizing bimirror device and circular point characteristics
A technology of camera internal parameters and plane mirror, which is applied in the field of computer vision research and can solve the problems of difficulty in making calibration blocks and inconvenient operation.
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[0037] The present invention proposes to use any two rectangular plane mirrors in space and place them perpendicular to the plane formed by the bases of the two plane mirrors at an angle between Between, so that the object forms four images in the plane; this new method can linearly determine the internal parameters of the camera, the schematic diagram of the structure is as follows figure 1 As shown, an example is used below to describe the embodiment of the present invention in more detail.
[0038] The experimental device used in the camera calibration method based on ring points is any two rectangular plane mirrors in space, such as figure 1 Shown, utilize the method among the present invention to carry out calibration for the video camera of experiment, concrete steps are as follows:
[0039] (1) Fitting the feature points in the image
[0040] The image resolution that the present invention adopts is 554 * 416 pixels, takes a plurality of experimental pictures from ...
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