LUYEN, Cao Thi; SAO, Nguyen Kim; QUANG HOA, Le; MINH THANH, Ta. An efficient reversible data hiding based on improved pixel value ordering method. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 38, n. 2, p. 165–180, 2022. DOI: 10.15625/1813-9663/38/2/16880. Disponível em: https://vjs.ac.vn/jcc/article/view/16880. Acesso em: 16 dec. 2025.