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|Title:||Post-Event Damage Assessment Using Morphological Methodology on 0.5m Resolution Satellite Data|
|Authors:||JENEROWICZ Malgorzata; KEMPER Thomas; PESARESI Martino; SOILLE Pierre|
|Citation:||RIVISTA ITALIANA DI TELERILEVAMENTO vol. 42 no. 3 p. 37-47|
|Publisher:||ASSOC ITALIANA TELERILEVAMENTO|
|Type:||Articles in periodicals and books|
|Abstract:||This paper presents the results of the application of mathematical morphology techniques for a semi-automatic quantification of the number of dwellings in an IDP camp in Sri Lanka. The specific assessment was undertaken based on a WorldView-1 satellite image (0.5m). First, an area opening was used to suppress all bright objects whose area was below a given threshold value. These objects were then revealed by computing the difference between the original and the transformed images, considering at the final stage a given size criterion. In a second step, the extracted structures were counted in a GIS using the centroids of the dwellings and limited visual interpretation. The assessment for the IDP camp indicates an overall number of 10,138 tents on the 10th of May, 2009. After the 10th of May 2009, the camp had been abandoned and was destroyed to a large extend.|
|JRC Institute:||Institute for the Protection and Security of the Citizen|
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