MATCHING AERIAL IMAGES TO 3-D TERRAIN MAPS

被引:60
|
作者
RODRIGUEZ, JJ [1 ]
AGGARWAL, JK [1 ]
机构
[1] UNIV TEXAS,COMP & VIS RES CTR,AUSTIN,TX 78712
基金
美国国家科学基金会;
关键词
Aircraft navigation; digital elevation maps; image sequence analysis; shape matching; stereo; terrain matching;
D O I
10.1109/34.62603
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
A new terrain matching algorithm is presented for use in a passive aircraft navigation system. A sequence of aerial images is matched to a reference digital map of the 3-D terrain. Stereo analysis of successive images results in a recovered elevation map. A “cliff map” is then used as a novel compact representation of the 3-D surfaces. The position and heading of the aircraft are determined via a terrain matching algorithm that locates the unknown cliff map within the reference cliff map. The robustness of the matching algorithm is demonstrated by experimental results using real terrain data. © 1990 IEEE
引用
收藏
页码:1138 / 1149
页数:12
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