秦蜀古道三维扫描测量精度分析

The Measurement Accuracy Analysis of Qinshu Road 3D Scanning

数据测量是秦蜀古道遗存调查中一个重要的环节,测量数据的精度是后续实物复原的关键,决定着后续数字化模型的精度及还原栈道遗存的关键。本文基于Leica P40三维激光扫描技术,在采集后的点云数据及建立的模型数据上分别量测栈道基本几何信息,比对分析数据误差,指出模型数据量测数据精度高于点云数据量测精度,且测量结果满足传统文物的测量精度,可以对人员无法到达区域的文物本体数据进行数据量测,为文物保护研究提供支撑。

Measurement data is an important link in the Shu Qin Road remains survey, the accuracy of measurement data is key to the subsequent physical restoration and determines the subsequent digital model accuracy and reducing the path along the cliff remains. This paper based on the Leica P40 of 3D laser scanning technology, in the point cloud data acquisition and the establishment of model data were measured the path along the cliff of the basic geometry information, comparison and analysis of data error and pointed out that the data model measurement data accuracy is higher than the amount of point cloud data accuracy, and the measurement results of a full foot the measurement accuracy of the traditional cultural relics, can to personnel cannot reach of regional cultural relics ontology data of measured data, provide support for the protection of cultural relics.