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Use of satellite imagery in constructing a household GIS database for health studies in Karachi, Pakistan
BACKGROUND: Household-level geographic information systems (GIS) database are usually constructed using the geographic positioning system (GPS). In some research settings, GPS receivers may fail to capture accurate readings due to structural barriers such as tall buildings. We faced this problem whe...
Autores principales: | , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2004
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC521499/ https://www.ncbi.nlm.nih.gov/pubmed/15450121 http://dx.doi.org/10.1186/1476-072X-3-20 |