The method USES the model of radial nonlinear distortion with the symmetry of optical axis to obtain correction coefficients of the optical lens, and then corrects the distortion image.
该方法利用与光轴对称的径向畸变数学模型求出光学镜头的校正系数，对畸变图像进行校正。
On account of four distortions such as signal lag, radial distortion, eccentric distortion and thin lens, etc. a precision distortion correction model is established.
新模型考虑了信号滞后、径向、偏心和薄透镜等四种畸变，建立了精确的畸变矫正模型。
Based the math model of lens distortion, the plane roundness gridding model is used to calculate the lens distortion coefficients of radial distortion and other non-linear factor.
根据镜头畸变的数学模型，利用平面圆形网格模板的网格交点来求取镜头的径向、切向和薄棱镜畸变系数。
This method is good for the camera lens of short focus, it can correct the aberration caused by radial distortion perfectly.
短焦距摄像机镜头一般都存在比较严重的光学畸变，使成像质量下降。
This method is good for the camera lens of short focus, it can correct the aberration caused by radial distortion perfectly.
短焦距摄像机镜头一般都存在比较严重的光学畸变，使成像质量下降。
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