F. Hasan, Dhafer, Maha A. Abdul-Jabar, and Zahraa T. Abed Al-Mokhtar. 2012. “De-Speckling 2D-Discrete Wavelet Transform With Hard Threshold Stage”. AL-Rafidain Journal of Computer Sciences and Mathematics 9 (1):101-12. https://doi.org/10.33899/csmj.2012.163674 .