基于点云数据的三维模型重建

3D Model Reconstruction Based on Point Cloud Data

随着需求的不断增长,空间信息的表示逐渐从二维形式朝三维形式转变,三维建模技术与点云数据采集技术的结合极大地提高了其真实性和可视化水平。三维激光扫描技术广泛应用于多个方面,其具有快速性、不接触性、穿透性、主动性和实时性,同时具有动态化、数字化、自动化和效益高、密度高、精度高等特点,解决了目前空间信息技术发展中实时性与准确性的瓶颈。因此,该技术在逆向工程建模过程中发挥了很大的作用,满足了各种产品需求。

As demand continues to grow,the representation of spatial information has gradually changed from a twodimensional form to a three-dimensional form,the combination of 3D modeling technology and point cloud data ac⁃quisition technology has greatly improved its authenticity and visualization level.Three-dimensional laser scanning technology is widely used in many aspects,it is fast,non-contact,penetrating,proactive and real-time,and also has the characteristics of dynamic,digital,automatic,high efficiency,high density and high precision,which solves the real-time and accuracy bottlenecks in the current development of spatial information technology.Therefore,this tech⁃nology has played a great role in the process of reverse engineering modeling to meet the needs of various products.