Positional Accuracy Assessment of Historical Google Earth Imagery. - Peter C. Nwilo; Chukwuma J. Okolie; Johanson C. Onyegbula; Ikenna D. Arungwa; Owolabi Q. Ayoade; Olagoke E. Daramola; Michael J. Orji; Ikechukwu D. Maduako; Imeime I. Uyo (CoRR, 2022)

Quality Assessment of the 20m SPOT DEM in Nigeria. - Peter C. Nwilo; Johanson C. Onyegbula; Chukwuma J. Okolie; Olagoke E. Daramola; Oluwatimileyin Abolaji; Ikenna D. Arungwa (CoRR, 2022)

Assessment of the global Copernicus, NASADEM, ASTER and AW3D digital elevation models in Central and Southern Africa. - Chukwuma J. Okolie; Jon P. Mills; Adedayo Adeleke; Julian Smit; Maria V. Peppa; Arif Oguz Altunel; Ikenna D. Arungwa (Geo spatial Inf. Sci., 2024)