摘要
根据几何代数理论,提出对偶四元数区域网平差方法,采用对偶四元数描述区域网像坐标系间的旋转和平移,对严格共线条件方程进行线性化,按照带有约束条件的间接平差进行迭代解算.对偶四元数区域网平差模型法方程式的结构完全类似于传统方法,所需计算机内存单位由于边宽的增加而略有增加.实验结果表明,对偶四元数区域网平差在影像的4个定点与中心布置控制点,能达到较高的测量精度.
According to the geometric algebra theory, a bundle adjustment method based on dual quaternion is presented. The method uses dual quaternion to describe rotation and translation of regional photo coordinates, and can linearize a strict collinearity equation. Constraint parameter adjustment is iteratively computed. The structure of normal equation in region adjustment based on dual quaternion is similar to that of traditional methods, with the required memory slightly increased with the increasing margins. The results show that, by arranging control points in four angle points and central point, the dual quaternion-based region adjustment can achieve relatively high measuring accuracy.
出处
《应用科学学报》
CAS
CSCD
北大核心
2015年第1期79-86,共8页
Journal of Applied Sciences
基金
国家自然科学基金(No.41101441)资助
关键词
摄影测量
区域网平差
几何代数
间接平差
法方程式
photogrammetry
region adjustment
geometric algebra
parameter adjustment
normal equation
