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本文利用投影和透视变换理论以及矩阵转换知识建立了摄像机数学模型，模型中全面考虑了镜头的径向畸变和切向畸变。提出仅用中心附近点求取像面中心的简单方法。在标定模型中考虑到二维孔靶与一维工作台运动方向不垂直因素的影响，从而简化摄像机标定的操作过程，提高了标定精度。
In this paper, the mathematical model of the camera is established by using projection and perspective transformation theory and matrix conversion knowledge. The radial and tangential distortion of the lens are fully considered in the model. A simple method of obtaining the center of the image plane using only the vicinity of the center is proposed. Considering the influence of two-dimensional hole targets and the non-vertical movement of one-dimensional workbench in the calibration model, the operation of camera calibration is simplified and the calibration accuracy is improved.