| 基于三维激光扫描技术的建筑墙体外表面缺陷无损检测方法 |
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| 引用本文：李根.基于三维激光扫描技术的建筑墙体外表面缺陷无损检测方法[J].计算技术与自动化,2023,(1):62-66 |
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| 中文摘要:为精准定位建筑外表缺陷，研究了基于三维激光扫描技术的建筑墙体外表面缺陷无损检测方法。采集建筑墙体信息，配准三维点云建筑墙体数据。选取RANSAC改进算法完成建筑墙体平面特征的提取。将其输入极限学习机中，输出建筑墙体外表面缺陷无损检测结果。实验结果表明，该方法可以有效检测建筑墙体外表面缺陷，实现建筑墙体外表面缺陷的精准定位，提升建筑的全寿命周期。 |
| 中文关键词:三维激光扫描技术 建筑墙体外表面 缺陷无损检测 RANSAC改进算法 极限学习机 |
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| Nondestructive Testing Method of External Surface Defects of Building Wall Based on Three-dimensional Laser Scanning Technology |
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| Abstract:In order to accurately locate the surface defects of buildings, a nondestructive testing method for external surface defects of building walls based on three-dimensional laser scanning technology is studied. Collect building wall information and register 3D point cloud building wall data. The improved RANSAC algorithm is selected to extract the plane features of building walls. Input it into the limit learning machine and output the nondestructive testing results of the external surface defects of the building wall. The experimental results show that this method can effectively detect the external surface defects of the building wall, realize the accurate location of the external surface defects of the building wall, and improve the life cycle of the building. |
| keywords:three dimensional laser scanning technology external surface of building wall NDT of defects improved RANSAC algorithm extreme learning machine |
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