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Satellite images cut survey costs and help identify hard-to-reach populations

OCGHR Research

Collecting representative survey data on large populations of people can be a very time-consuming and expensive undertaking. But it doesn’t have to be. Marco J. Haenssgen and Ern Charoenboon explain how they have used freely available satellite images to survey hard-to-reach communities in Thailand and Laos.

Satellite image © Source: Bing Maps

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