摘要
对隧道中轴线的提取方法进行了研究。针对三维激光扫描数据的特点,提出基于局部曲面拟合的提取方法。给出了具体步骤与计算过程,并通过实验分析,表明该方法切实可行,能够满足一般工程的精度要求。
This paper researched the extraction method of tunnel axis, and presented the surface i tting method based on 3D laser scanning date. The results of the experimental analysis show that the method is feasible, and can meet the general engineering accuracy requirements.
出处
《地理空间信息》
2014年第4期122-123,126,共3页
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