A vectorization method of building edge based on high resolution DSM data

摘要

Combing the trait that the building outline can be reflected in high resolution DSM data, the extraction method of building top and the edge point of building top is studied based on region growing Algorithm, and then the edge point is tracked in vectorization. The regularization processing method toward the regular building and circular building is researched based on the classification of construction type. The present method is implemented by programming and is then applied to auxiliary production of DLG data.