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。
The angle of the least inertia moment axis of grey scale image is an important shape feature in digital image analysis.
惯性主轴的方向是数字图象分析中重要的形状特征之一。
Based on the medial axis transform of the upright maximal squares, a new robust binary image skeletonization was proposed in this paper.
基于最大正方形的中轴变换，提出了一种二值图像的骨架提取算法。
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