Coefficient difference based watermark detector in nonsubsampled contourlet transform domain

Xiang-Yang Wang, Si-yu Zhang, Tao-tao Wen, Hong-Ying Yang, Pan-Pan Niu. Coefficient difference based watermark detector in nonsubsampled contourlet transform domain. Inf. Sci., 503:274-290, 2019. [doi]

Abstract

Abstract is missing.