TODOROV, Dimitar; ZHEYNOV, Zheyno; VALCHANOV, Hristo; KAROVA, Milena; PENEV, Ivaylo Plamenov. Investigation of the influence of a template matrix on the embedding of information in an image. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, [S. l.], v. 5, n. 2, p. 140–145, 2021. DOI: 10.29114/ajtuv.vol5.iss2.234. Disponível em: https://aj.tu-varna.bg/index.php/ajtuv/article/view/234. Acesso em: 2 oct. 2025.