At the basis of analyzing generalized points photogrammetry based on line feature, making use of the ICP arithmetic, a resection from free-form control curves has been constructed.
首先介绍了基于广义点的摄影测量，在分析基于直线特征广义点摄影测量的基础上，通过ICP方法的引入，从而建立了一种基于自由态控制曲线的外方位元素解算方法。
This article focuses on the analysis of basic principles of digital photogrammetry, combined with digital photography imaging model, strictly derived photogrammetry in the total line equation.
本文重点分析了数字摄影测量的基本原理，结合数字摄影的成像模型，严格推导了摄影测量学中的共线方程。
The system utilizes the triangulation photogrammetry, and obtains rail profile with the help of line-type laser and high-speed digital camera.
系统采用三角形摄影测量原理，借助线型激光和高速数字像机获取钢轨断面轮廓信息；
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