OKON, E.; ONO, M. N.; ONYEAGORO, F. Investigating the Altitude-Dependent Accuracy of Depths Derived by Colour Ratio from Unmanned Aerial System (UAS)-Multispectral Imageries. Journal of Spatial Information Sciences, Awka, Nigeria, v. 2, n. 2, p. 50–77, 2025. DOI: 10.5281/zenodo.15668026. Disponível em: https://journals.unizik.edu.ng/jsis/article/view/6298. Acesso em: 23 jun. 2025.