AUC Geographica (Acta Universitatis Carolinae Geographica) is a scholarly academic journal continuously published since 1966 that publishes research in the broadly defined field of geography: physical geography, geo-ecology, regional, social, political and economic geography, regional development, cartography, geoinformatics, demography and geo-demography.
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AUC GEOGRAPHICA, Vol 49 No 2 (2014), 49–56
Automation of geospatial raster data analysis and metadata updating: an in-database approach
published online: 20. 11. 2014
This paper proposes a spatial data infrastructure (SDI) module for management of a continuous flow of geospatial images and related metadata. Continuously acquired map scans from the digitalization process of an old maps collection or the satellite imagery retrieved through a receiving station are examples of such data flows. Storage of the raster data in a database is a key feature of the system, which enhances the usual tasks and usability of SDI systems. The analytical procedures deployed within the data store perform automated raster analysis and content-based metadata extraction. This functionality is illustrated with two experiments – improving the display of early map scans and snow and cloud detection from satellite images. Applications of the proposed approach and utilization of the prototype application by geographers and cartographers are discussed.
keywords: SDI; image data; metadata; in-database; automation
Automation of geospatial raster data analysis and metadata updating: an in-database approach is licensed under a Creative Commons Attribution 4.0 International License.
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