Robust Watermarking by Embedding Watermark in Sorted Mid-frequency Coefficients of Column Transform using DKT-DCT Wavelet. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY, [S. l.], v. 13, n. 7, p. 4615–4624, 2014. DOI: 10.24297/ijct.v13i7.2462. Disponível em: https://rajpub.com/index.php/ijct/article/view/2462. Acesso em: 22 jul. 2024.