文件名称:论文研究-利用非抽样Contourlet变换的抗旋转攻击水印算法 .pdf
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更新时间:2022-09-07 03:30:33
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利用非抽样Contourlet变换的抗旋转攻击水印算法,赵杰,杨滨峰,The subbands in different scales and directions are obtained by image decomposition using the nonsubsampled Contourlet transform (NSCT). The multidirectional and redundancy of NSCT