Saleh Abdulla, H., and S. M. Sulaiman. “Comparison Study for Three Compression Techniques (Wavelet, Contourlet and Curvelet Transformation)”. AL-Rafidain Journal of Computer Sciences and Mathematics, vol. 15, no. 1, June 2021, pp. 101-14, doi:10.33899/csmj.2021.168263.