Automatic Sampling of Geographic objects

Details Automatic Sampling of Geographic objects Automatic Sampling of Geographic objects

2012-04-20

arxiv.org/abs/1204.4541v1

GIScience, Zurich : Switzerland (2010)

Computer Science

Artificial Intelligence

Scientific paper

Today, one's disposes of large datasets composed of thousands of geographic objects. However, for many processes, which require the appraisal of an expert or much computational time, only a small part of these objects can be taken into account. In this context, robust sampling methods become necessary. In this paper, we propose a sampling method based on clustering techniques. Our method consists in dividing the objects in clusters, then in selecting in each cluster, the most representative objects. A case-study in the context of a process dedicated to knowledge revision for geographic data generalisation is presented. This case-study shows that our method allows to select relevant samples of objects.

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