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：2008
卷号：XXXVII Part B4
页码：297-304
出版社：Copernicus Publications
摘要：In the past few years, 2D topographic databases have been completed in most industrialised countries. Most efforts in National Mapping and Cadastral Agencies (NMCAs) are now devoted to the update of such databases. Because it is generally carried out manually, by visual inspection of orthophotos, the updating process is time-consuming and expensive. The development of semi- automatic systems is thus of high interest for NMCAs. The obvious lack of expertise in the domain has driven EuroSDR to set up a test comparing different change detection approaches. In this paper, we limit the scope of the project to the imagery context. After describing input data, we shortly introduce the approaches of the working groups that have already submitted results. Preliminary results are assessed and a discussion enables to bring out first conclusions and directions
