Assessment of the global Copernicus, NASADEM, ASTER and AW3D digital elevation models in Central and Southern Africa
Validation studies of global Digital Elevation Models (DEMs) in the existing literature are
limited by the diversity and spread of landscapes, terrain types considered and sparseness …
limited by the diversity and spread of landscapes, terrain types considered and sparseness …
Positional accuracy assessment of historical Google Earth imagery in Lagos State, Nigeria
PC Nwilo, CJ Okolie, JC Onyegbula, ID Arungwa… - Applied Geomatics, 2022 - Springer
The horizontal accuracy of historical Google Earth (GE) images at four epochs between the
years 2000 and 2018, and the vertical accuracy of its elevation data within Lagos State, in …
years 2000 and 2018, and the vertical accuracy of its elevation data within Lagos State, in …
Enhancement of digital elevation models using tree-based ensemble machine learning algorithms
C Okolie - 2023 - open.uct.ac.za
Geospatial practitioners and national mapping agencies (NMAs) in Africa are constrained to
rely on open-access remote sensing datasets, even as they struggle to meet up with best …
rely on open-access remote sensing datasets, even as they struggle to meet up with best …