Abad, M; Casas-Roma, J; Prados, F; (2022) Reducing the Learning Domain by Using Image Processing to Diagnose COVID-19 from X-Ray Image. In: Cortés, Atia and Grimaldo, Francisco and Flaminio, Tommaso, (eds.) Artificial Intelligence Research and Development. (pp. pp. 229-238). IOS Press: Amsterdam, Netherlands. Green open access