摘要
文中提出了一种基于单幅图像的高度测量方法。该方法首先根据单幅图像提供的一些几何信息———地平面(或者是与地平面平行的平面)上两对不同方向的平行线和竖直方向的一对平行线———在图像上求得地平面的消影线和竖直方向的消影点;然后,用一个已知的参考高度来确定高度测量方程中的比例因子α;最后只要输入待测高度的端点坐标就可以获得该高度的实际值。经实验验证,该方法简单有效,实用性强。
Introduces a practical method which can measure the height of the object located on the ground based on single image. Firstly, need some geometric information which include the vanishing line of the ground plane, a vanishing point for the vertical direction and a known vertical height. With the information, the value of the scale factor α can be fixed on through the function described below. At last, can easily get the height of the object only by the image coordinate of the vertex of the object. The experiments indicate the method is effective.
出处
《微机发展》
2004年第2期35-36,40,共3页
Microcomputer Development
