期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2003
卷号：XXXIV-3/W13
出版社：Copernicus Publications
摘要：The filtering of a digital situation model (DSM) containing points located on vegetation and buildings to a digital height model (DHM) is depending upon the structure of the objects not belonging to the bare ground. The limitation of an automatic global filtering of a DSM as a compromise between the different object classes is shown. Based on an automatic segmentation for each different class the required filter thresholds could be determined automatically for reaching an optimal filter result
