Muñoz-Ramírez, D. O., Ponomaryov, V., Reyes-Reyes, R., Cruz-Ramos, C., & Sadovnychiy, S. N. (2019). Embedding a Color Watermark into DC coefficients of DCT from Digital Images. IEEE Latin America Transactions, 17(8), 1326–1334. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/1263