Solving parabolic catadioptric camera parameters through one straight line in space
A camera internal parameter, catadioptric technology, applied in the field of computer research
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[0039] The present invention proposes to use a straight line in space as a calibration object to linearly determine the internal parameters of the parabolic catadioptric camera. The structure schematic diagram adopted by the present invention is as follows figure 2 shown. The implementation of the present invention will be described in more detail with an example below.
[0040] The experimental template adopted by the parabolic catadioptric camera calibration method based on a straight line in space is a straight line in space ,Such as figure 2 shown. Specific steps are as follows:
[0041] 1. Fitting image boundary curve equation
[0042] The image resolution that the present invention adopts is 1024 * 768 pixels, shoots 3 experimental pictures from different directions with a parabolic catadioptric camera, reads in the images, utilizes the Edge function in the Matlab program to extract the coordinates of the image feature points, and uses the minimum The square algo...
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