Satellite images cut survey costs and help identify hard-to-reach populations
OCGHR Research
19 June 2018
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.