基于激光点云的3维可视化方法

The 3D Visualization's Approach Based on Laser Scanning

介绍了利用3维激光点云与数字影像,生成云冈石窟正射影像的原理与方法。采用激光扫描与数码相机同步获取石窟、石佛的3维点云与数字影像,建立点云与数字影像映射关系模型,将影像的纹理信息赋予3维点云模型,实现点云模型真彩色3维可视化,并在此基础上生成正射影像图。研究成果对于历史遗迹、文物保护与修复具有重要意义。

This paper introduces the approaches producing the digital orthophoto map （DOM） of Yungang rock cave using 3D laser point clouds and digital images. The 3D point clouds and digital image are acquired in synchronism by laser scanning and digital photography. The mapping model is built between the point clouds and digital image. The true chromatic model may be realized with the help of endowing the texture attributes of digital image into the 3D point clouds model. The results achieved here are very important for protecting and restoring historical and cultural relic.