卫星遥感影像的自动匹配  

Automatic Matching of Satellite Remote Sensing Image

作　　者：徐浩然[1] 赵俊三[1] 

机构地区：[1]昆明理工大学,云南昆明650000

出　　处：《安徽农业科学》2015年第18期335-337,共3页Journal of Anhui Agricultural Sciences

摘　　要：影像匹配是指在两幅或者多幅影像之间寻找同名像点的过程。它是从影像上自动提取地物三维空间信息的关键技术之一,已被广泛应用于摄影测量与遥感领域,如影像的自动内定向和立体像对的相对定向、摄影测量区域网平差中连接点的自动提取和DSM自动生成等。影像匹配结果的优劣直接影响后续遥感产品的质量。对于多重影像覆盖的区域或者基于控制点影像库的不同源遥感影像的联合处理,影像自动匹配技术就成为提高影像几何处理精度与作业效率的一项关键技术。该研究基于影像匹配的国内外研究成果,介绍了匹配中的图像预处理和基于控制点影像库匹配流程;并根据三线阵CCD影像的特点,介绍了基于金字塔分层动态窗口匹配运算的相关系数法在三线阵CCD影像像点立体匹配中的应用。Image matching refers to searching for corresponding image points between two images or more. It is one of the key technologies with which to get 3D spatial information of objects automatically and it has been widely applied in photogrametry and remote sensing, such as automatic interior orientation and relative orientation of stereopair, the automatic extraction of block adjustment in photogrametry and the auto- matic establishment of DSM. The quality of image matching affects directly the quality of follow-up RS products. In associated process for areas covered by multi-images or image matching of different sources based on control-point library, automatic image matching becomes the key tech- nology to improve precision and processing efficiency. This essay mainly demonstrates the development of image matching, pre-processing of image in image matching and matching procedure based on control-point image library. On the other side, according to characteristics of three line array CCD images, correlation coefficient method which is grounded on pyramid layer dynamic window matching for three line array CCD image matching is introduced.

关 键 词：遥感影像 三线阵CCD影像 自动匹配 金字塔影像 

分 类 号：S127[农业科学—农业基础科学]