In the period 2000-2013, the Large-Scale Reference Database (LRD) (in Dutch: GRB - Grootschalig ReferentieBestand) was established for all Flemish cities and municipalities. For almost 70 cities or municipalities, EUROSENSE has established this detailed database containing building footprints, road morphology, road infrastructure and administrative parcels. Since the original creation of these databases, no updates were executed at the level of the inner terrains (areas not accessible for surveyors). In 2013, EUROSENSE therefore has been awarded by the Flemish Geographical Information Agency (AGIV, now Informatie Vlaanderen) with a project to update the inner terrains for all 135 cities and municipalities in the provinces of Antwerpen and Oost-Vlaanderen.
EUROSENSE nicely followed a planning schedule based upon ongoing update processes at the customer. The update was executed based upon terrain changes (anomalies) found by the customer or found during a visual screening by EUROSENSE. Midscale aerial imagery on more than 5.500 km² were screened for changes at the level of the inner terrains.
In total, more than 400.000 anomalies were checked and updated by means of photogrammetric mapping on the midscale imagery. After the update, the results were checked and the database for each municipality was established according to the detailed specifications of the LRD.
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Remote Sensing Applications