施工技术 2014年8月上 116 CONSTRUCTION TECHNOLOGY 第43卷第15期 D0I:10.7672/5j52014150116 大型古建筑维护中残缺区域视觉施工测量优化* 张立昆，李晓燕2，张晓明1 (1.河北建筑工程学院建筑与艺术学院，河北张家口075000； 2.河北建筑工程学院电气工程学院，河北张家口075000) [摘要]在大型古建筑物测量的过程中，由于残缺区域边界纹理特征分布极为复杂，造成残缺区域特征在图像重构 的过程精确度降低，导致难以进行准确测量.提出一种基于边界特征自动提取算法的大型古建筑残缺区域施工测 量方法.根据残缺区域边界的曲率计算结果，结合种子格栅选取和自动区域生长等方法将大型古建筑残缺区域的 关键数据点从背景中进行有效分离，根据多边形细分和离散光顺相关原理对大型古建筑残缺区域的边界进行重 构，提高了大型古建筑测量的准确度.试验结果表明，利用边界特征自动提取算法能够有效将大型古建筑残缺区 域进行重构，极大地提高了大型古建筑测量的准确度. [关键词]大型古建筑；残缺区域：图像重构；测量；施工 [中图分类号]TU198 [文献标识码]A [文章编号]1002-8498(2014)15-0116-04 Visual Construction Measurement Optimization of Damaged Area in the Large Ancient Buildings Maintenance Zhang Likun' Li Xiaoyan2 Zhang Xiaoming' (1.Department of Architectural and Art Hebei University of Architecture Zhangjiakou Hebei 075000 China; 2.Department of Electrical Engineering Hebei University of Architecture Zhangjiakou Hebei 075000 China) Abstract:In the process of measuring large ancient buildings the damaged area boundary texture feature distribution is very plex and it leads to reducing of image reconstruction accuracy for the imperfect regional characteristics making it difficult to accurately measure.For this reasons this paper puts forward a kind of measurement method of large buildings damaged area based on boundary features automatic extraction algorithm.According to the curvature of the damaged area boundary estimation results the key data points are effectively separated from the background bined with seed grating selection and...
大型古建筑维护中残缺区域视觉施工测量优化.pdf
