融合多源测量数据的钟乳石三维建模方法
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摘要
在岩溶洞穴的旅游开发中,传统的地形图无法描述洞穴内部的钟乳石等细节,难以满足溶洞开发中的规划、设计及施工要求。本文以某中型溶洞的三维重建项目为例,提出了一种以三维激光扫描数据为主、多基线近景摄影测量数据为辅的多源数据融合的钟乳石三维重建方法。首先,完成了多源数据的融合配准,其次,对配准后的数据进行了模型重建并利用多种不同方法进行空洞区域修复对比试验。试验结果表明,该数据融合方法有效补充了三维激光扫描数据在空间狭小区域的盲区,提高了三维模型的精细程度,对岩溶洞穴的开发、保护、三维重建与可视化等有一定的参考意义。
In the tourism development of karst caves,the traditional topographic map can not describe the details of the stalactite in the cave,and it is difficult to meet the requirements of the planning,design and construction in the development of the cave.Taking a three-dimensional reconstruction project of a medium-sized cave as an example,a three dimensional laser scanning data and a multi baseline close range photogrammetry data are put forward.Three dimensional reconstruction method of stalactite is supplemented by multi-source data fusion.First,the fusion and registration of multi-source data are completed.Secondly,the model reconstruction after the registration is carried out and a variety of different methods are used to carry out the cavitation area repair comparison experiment.The method of data fusion can effectively supplement the blind area of the three-dimensional laser scanning data in the narrow space area,and improve the fine degree of the 3D model.The development,protection,3D reconstruction and visualization of karst caves are of some reference significance.
In the tourism development of karst caves,the traditional topographic map can not describe the details of the stalactite in the cave,and it is difficult to meet the requirements of the planning,design and construction in the development of the cave.Taking a three-dimensional reconstruction project of a medium-sized cave as an example,a three dimensional laser scanning data and a multi baseline close range photogrammetry data are put forward.Three dimensional reconstruction method of stalactite is supplemented by multi-source data fusion.First,the fusion and registration of multi-source data are completed.Secondly,the model reconstruction after the registration is carried out and a variety of different methods are used to carry out the cavitation area repair comparison experiment.The method of data fusion can effectively supplement the blind area of the three-dimensional laser scanning data in the narrow space area,and improve the fine degree of the 3D model.The development,protection,3D reconstruction and visualization of karst caves are of some reference significance.
引文
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[2]何原荣,潘火平,郑渊茂,等.地面三维激光扫描仪在溶洞建模与测量中的应用[J].激光杂志,2016,37(2):90-93.
[3]韩丽娜,李缘廷.融合地面激光扫描和摄影测量技术的三维重建[J].测绘地理信息,2015,40(3):10-12.
[4]王井利,许睿.基于非量测数码影像的古建筑三维模型重建[J].测绘通报,2016(S2):227-230.
[5]胡庆武,王少华,刘建明,等.多测量手段集成古建筑物精细测绘方法---以武当山两仪殿为例[J].文物保护与考古科学,2013,25(2):39-44.
[6]唐雪海,王田磊,袁进军,等.数字近景摄影测量辅助三维激光扫描用于森林固定样地测树原理探讨[J].安徽农业科学,2010,38(12):6095-6097.
[7]黄先锋,张帆,方伟,等.基于多源数据融合的莫高窟三维重建研究[C]∥第一届全国激光雷达对地观测高级学术研讨会论文集.北京:中国科学院,2010:440-445.
[8]李润芝.基于近景摄影测量与三维激光扫描技术的山地边坡变形监测[D].焦作:河南理工大学,2014.
[9]BALSA-BARREIRO J,FRITSCH D.Generation of visually aesthetic and detailed 3D models of historical cities by using laser scanning and digital photogrammetry[J].Digital Applications in Archaeology and Cultural Heritage,2018,8:57-64.
[10]KENNER R,BHLER Y,DELALOYE R,et al.Monitoring of high alpine mass movements combining laser scanning with digital airborne photogrammetry[J].Geomorphology,2014,206(2):492-504.
[11]张毅,闫利,崔晨风.地面三维激光扫描技术在公路建模中的应用[J].测绘科学,2008,33(5):100-102.
[12]刘千里,李春友,柳瑞武,等.多基线数字近景摄影测量系统在古典园林建筑物三维重建中的应用[J].西北林学院学报,2009,24(4):224-227.
[13]杨韫澜,胡海彦.非量测型数码相机检校及量测精度分析[J].测绘通报,2017(S1):206-209.
[14]杨军,张瑶,黄亮.改进的ICP算法在三维模型配准中的研究[J].计算机科学与探索,2018,12(1):153-162.
[15]BESL P J,MCKAY N D.A method for registration of3D shapes[J].IEEE Transactions on Pattern Analysis&Machine Intelligence,2002,14(2):239-256.
[16]杨现辉,王惠南.ICP算法在3D点云配准中的应用研究[J].计算机仿真,2010(8):235-238.
[17]李月雯,耿国华,魏潇然.基于泊松方程的孔洞修补算法[J].计算机工程,2017,43(10):209-215,221.
[18]贺强,张树生,白晓亮.曲面特征恢复的三角网格模型孔洞修补算法[J].哈尔滨工业大学学报,2011,43(11):120-124.
[19]刘许,宋阳.一种基于移动最小二乘法的点云数据孔洞修补算法研究[J].现代电子技术,2017,40(5):101-104.