Integrating gazetteers and remote sensed imagery

14 years 5 months ago

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This work explores the potential for increased synergy between gazetteers and high-resolution remote sensed imagery. These two data sources are complementary. Gazetteers provide high-level semantic information about what is where but they must be manually compiled and maintained. On the other hand, imagery can be automatically acquired but only provides low-level radiometric information. We explore ways in which these two data sources can be integrated to more fully automate geographic data management. In particular, we show how gazetteers represent a rich source of semi-supervised training data for geospatial object modelling. We also describe an example of information flow in the other direction, namely, how high-resolution imagery can be used to refine the spatial extents of geospatial objects in gazetteers. Categories and Subject Descriptors H.2.8 [Database Management]: Database Applications-spatial databases and GIS; J.2 [Physical Science and Engineering]: Earth and Atmospheric S...

Shawn Newsam, Yi Yang

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