基于激光点云数据的客家土楼三维建模

被引:38
作者
化蕾 [1 ]
黄洪宇 [1 ]
陈崇成 [1 ]
黄淑华 [2 ]
机构
[1] 福州大学福建省空间信息工程研究中心、空间数据挖掘与信息共享教育部重点实验室
[2] 福州林景行信息技术有限公司
关键词
地面激光扫描; 点云; 客家土楼; 三维建模; 纹理优化;
D O I
暂无
中图分类号
P225.2 [光电测距];
学科分类号
摘要
传统测量方法难以获得完整准确的几何信息,且在测量过程中对文化遗产的频繁接触也存在造成文化遗产损害的隐患。利用地面激光扫描技术开展了客家土楼真实感、精细化三维建模的应用研究。首先,在现场点云数据采集的基础上提出了基于点云数据的客家土楼三维高精度重建的具体过程;其次,对点云数据处理和三维实体重建两个核心步骤,重点对点云数据的配准拼接、去噪简化和分站处理、构件轮廓线提取、三维几何建模和纹理贴图等步骤进行了详细论述。另外,对建模过程中纹理优化处理这一难点进行分析探讨,给出具体解决途径。应用结果表明:三维激光扫描技术适用于具有高复杂度几何特征的客家土楼精确化、真实感建模,为客家土楼建筑文化遗产未来的开发与保护过程的损害情况监测、恢复重建和虚拟展示等提供了高精度的数据基础。目前,技术方法已应用于世界遗产地—福建客家土楼的数字化旅游信息服务中,成效明显。
引用
收藏
页码:115 / 122
页数:8
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