et. al., Reena Thomas. “Triangular Vertex Transform Based Watermarking on Contourlet Coefficients for Improved Robustness”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (April 11, 2021): 5434–5442. Accessed December 26, 2024. https://turcomat.org/index.php/turkbilmat/article/view/2191.