Ahmed , Ali H., and Loay E. George. “The Use of Wavelet, DCT & Quadtree for Images Color Compression”. Iraqi Journal of Science 58, no. 1C (January 16, 2022): 550–561. Accessed December 24, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6143.