Processing method for correcting deviation of image
A processing method and image technology, applied in the field of image processing to achieve the effect of improving the correction accuracy
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[0046] according to Figure 1 to Figure 5 As shown, the optical path distortion data of the wide-angle lens is actually the physical image height H projected onto the image sensor in um 物理 , image sensors like high H 图像 It is calculated based on the image coordinate system and in units of pixels, with the center of the image as the origin vector image height. for the H 物理 Convert to H 图像 , first find the physical size of a single pixel of the image sensor, and assume that a square with the size of a*a per pixel is found, and the unit is um. Use H 图像 =H 物理 / a Calculate the distortion data comparison table based on the image coordinate system. Define the distortion function as a 7th power polynomial:
[0047] F = a 0 +a 1 x 1 +a 2 x 2 +a 3 x 3 +a 4 x 4 +a 5 x 5 +a 6 x 6 +a 7 x 7 ---------(1)
[0048] Substituting the undistorted data and the corresponding distorted data into x and y in the above formula respectively, the overdetermined equations of the abo...
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