A method for calibrating a catadioptric camera using properties of a single sphere and a conjugate diameter
A conjugate diameter, refraction technology, applied in the field of computer vision, can solve the problem of complex ring point selection
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[0060] The invention proposes a method for linearly determining the parameters of a parabolic reflex camera by using a sphere in space as a target. The schematic diagram of the experimental template structure used in the present invention is as figure 1 Shown. The following describes the implementation of the present invention in more detail with an example.
[0061] The experimental template used in the calibration of the parabolic catadioptric camera based on the ball in space is a ball in space, such as figure 1 As shown, the ball is Q. Using the method of the present invention to calibrate the parabolic catadioptric camera used in the experiment, the specific steps are as follows:
[0062] 1. Fit the image boundary and target curve equation
[0063] The image size used in the present invention is 1300×1200. Use the parabolic catadioptric camera to shoot 3 experimental images of the target, read in the images, use the Edge function in Matlab to extract the pixel coordinates o...
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