PRODUCING HIGH RESOLUTION SPECTRAL BANDS FROM LOW RESOLUTION MULTI-BANDS IMAGES, USING PRINCIPAL COMPONENT ANALYSIS “PCA” TECHNIQUE. Iraqi Journal of Science [Internet]. 2024 Mar. 4 [cited 2025 Jan. 3];53(1):194-9. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12668