3D测量系统中的高精度摄像机标定算法

被引：21

作者：

李中伟

王从军

史玉升

机构：

[1] 华中科技大学材料成形与模具技术国家重点实验室

来源：

光电工程 | 2008年 / 04期

关键词：

计算机视觉; 摄像机标定; 非线性优化;

D O I：

暂无

中图分类号：

TP391.41 [];

学科分类号：

080203 ;

摘要：

本文在分析完整的摄像机镜头畸变模型的基础上,提出了一种新的标定算法。该算法包括三个步骤,首先在不考虑镜头畸变的情况下利用标定块上的中间若干个点,采用线性优化方法求出除畸变系数以外的其他外部参数和主要的内部参数;然后固定上述已求得的参数,利用线性优化方法求解畸变系数;最后对所有内部参数和外部参数进行全局非线性优化。最后对本文的标定算法进行了标定实验,实验结果表明,本文算法的标定精度可以达到0.0367mm,可以满足高精度三维测量及其他应用的要求。

引用

页码：58 / 63

页数：6

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