Abstract: 3D real China construction requires the local level to produce terrain-level geographic scene data including 2 m grid DSM, DEM and better than 0.5 m resolution DOM. For the WorldView-3 satellite strip image data, the traditional gray level matching, feature matching and transform domain matching methods can not obtain enough connection points to meet the requirements. The probability relaxation control point matching method based on frequency phase matching is used to match the connection points, and the number of connection points meeting the accuracy requirements is large and evenly distributed. The accuracy of the terrain-level geographic scene data of DSM, DEM and DOM produced subsequently meets the requirements, which provides technical support for the smooth implementation of the 3D real Tibet Chayu pilot construction.

Key words: WorldView-3 satellite strip image, frequency phase matching, point planning, probability relaxation, terrain-level geographic scene