A calibration template and a method for rapidly calibrating external parameters of a camera
A technology of external parameters and templates, applied in image data processing, instruments, calculations, etc., can solve problems such as complex and inefficient algorithms, and achieve the effect of simple algorithm, improved accuracy, and improved correction speed and accuracy.
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[0056] The core idea of the present invention is to solve the problem in the prior art that multiple pictures need to be taken to calibrate the external parameters of the camera in different axes of the x-axis, the y-axis and the z-axis, and to provide a solution with simple algorithm and improved The speed and precision of subsequent algorithms.
[0057] In order to realize the above idea, the present invention provides a calibration template, a calibration template for calibrating external parameters of a camera, characterized in that the calibration template includes three calibration surfaces; At one intersection, three intersecting lines are formed; each calibration surface is provided with a calibration original image, and the line segment where the calibration original image intersects and coincides with the two intersecting lines on the corresponding calibration surface is the calibration The two edge lines of the original image; each of the calibration original imag...
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