一种有效的航拍图像中直线提取算法

An Effective Algorithm for Line Extraction in Aerial Image

首先对航拍图像进行小尺度高斯滤波;然后进行边缘检测,得到边缘检测幅度图像;再在边缘检测幅度图像中进行启发式搜索连接,提取出符合直线模型的直线搜索轨迹;最后根据直线搜索轨迹的判别获取直线。实验结果表明,该算法可以在航拍图像中提取出真实的直线,是一种有效的直线提取算法。

To avoid the disadvantages of current algorithms,an effective line extraction algorithm is presented.Firstly,the aerial image is processed by means of small-scale Gaussian filtering.Then,by means of edge detection,an edge detection amplitude image is obtained;and heuristic search is applied in the edge detection amplitude image,so as to extract line search trajectories fitted the line model.Finally,the line from the search trajectories is selected.The experimental results show that our algorithm can extract the true line in the aerial image,and is an effective line extraction algorithm.