综合运用主曲率与主方向特征检测屋脊型边缘  

Roof Edge Detection Based on Main Curvature and Main Direction

作　　者：方经纬[1] 谢松法[1] 

机构地区：[1]华中科技大学数学系,湖北武汉430074

出　　处：《应用数学》2007年第S1期52-56,共5页Mathematica Applicata

摘　　要：本文提出了一种利用曲面主曲率和主方向进行屋脊型边缘检测的综合算法,先通过沿屋脊边缘走向的主曲率检测图像边缘,再根据主方向信息对初步结果进行方向跟踪和边缘搜索,取得了较为理想的效果.A compositive method for roof edge detection is presented in this paper.By using local extremum of surface curvature to detect the edge first,we can enhance the result image depending on the main direction which is the trend of the roof edge.The effectiveness of this method has been testified in practice.

关 键 词：屋脊边缘 边缘检测 主曲率 主方向 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]