Todorov D, Zheynov Z, Valchanov H, Karova M, Penev IP. Investigation of the influence of a template matrix on the embedding of information in an image. AJTUV [Internet]. 2021 Dec. 31 [cited 2025 Oct. 2];5(2):140-5. Available from: https://aj.tu-varna.bg/index.php/ajtuv/article/view/234