In this paper, first the fundamentals of image registration is analyzed, then registration principle and method based on linear feature is discussed, and , the key technologies of registration of DLG and DOM based on linear feature are studied.

• 本文首先介绍图像配准的基本原理,接着详细地论述基于线特征的配准原理和方法,在此基础上提出了基于线特征的DLG与DOM配准方法。