一种快速高精度数码相机双目定位方法  

Fast and Precise Positioning Method Based Double-digital-Camera

作　　者：冯积社[1] 

机构地区：[1]陇东学院数学系,甘肃庆阳745000

出　　处：《陇东学院学报》2010年第2期24-28,共5页Journal of Longdong University

摘　　要：通过选择适当的靶标首先进行数码相机的标定,为了提高精确度,高精度目标量测采用子像素量测技术,取得子像素的量测精度。建立基于畸变差检测的数学模型,并通过最小二乘法求得了所有待定的参数,从而完成了相机的标定。对于双目定位,建立了简洁的数学模型,利用最基本的向量关系式,得到了三元方程组。为了能快速有效地求解此三元方程组,采用吴消元法进行。最后,进行了数学仿真实验,结果表明,本文的方法是切实可行的,能达到快速高精度定位的要求。At first, we choose suitable target to solve the problem of digital camera calibration. In order to improve the precise, we use sub - pixel measure method. Then we establish the mathematic model based distorts calibration, use sequential approach method to find the parameters, so we fulfill the digital camera calibration. For the position based double - digital - camera, we use basic formula of vector to establish a simple mathematic model, so that it is gained, which is a system about the coordinates of camera. We apply Wu elimination to solve the system. Finally, the experiment shows our method is good.

关 键 词：数码相机标定 双目定位法 HOUGH变换 吴消元法 

分 类 号：P234[天文地球—摄影测量与遥感] P228[天文地球—测绘科学与技术]