Saood, Wesam Hujab, and Khamees Khalaf Hasan. “The Effectiveness of Two Dimensional Haar Wavelet Image De-Noising Performance Using Soft or Hard Thresholding Approach”. Tikrit Journal of Pure Science, vol. 29, no. 1, Feb. 2024, pp. 196-05, doi:10.25130/tjps.v29i1.1507.