【摘要】 讨论了城市大比例尺航空影像地图中建筑物阴影的特征和对地图的影响。阐述了同态系统的基本原理 ,提出了一种基于同态系统消除航片建筑物阴影的新方法 ,并对假设进行了论证更多还原

【Abstract】 This paper discusses the features of building shadow in city large-scale aerial image map and analyses the effect of shadow to these maps.Then,introduces the basic principles of homomorphic system.At last,a new approach based on homomorphic system for erasing building shadows in aerial images is presented,and a set of verifications is proposed for the hypothesis confirmation.更多还原