Image distortion correction method based on look-up table
A technology of image distortion correction and lookup table, which is applied in the direction of instruments, character and pattern recognition, computer parts, etc., can solve the problems of image quality degradation, misjudgment, error, etc., and achieve the effect of saving correction time
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[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0021] The embodiments of the present invention include:
[0022] An image distortion correction method based on a lookup table, the steps of which include:
[0023] (1) Obtain the distortion map and perform gray scale transformation on the distortion map; then use the threshold method to perform binarization processing, where the pixel gray value of the grid binary image belonging to the grid network is 255, and the remaining pixel gray values It is 0; then, the single pixel of the grid line is refined to obtain a flat grid ima...
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