Hilbert

代码说明：

  使用Hilbert变换的隐形标志水印，通过置乱变换对水印，使得水印的鲁棒性和透明性增强(Stealth watermark, which uses Hilbert transform, improves the robustness and transparency of the watermark by scrambling the watermark to the watermark.)

文件列表：

Hilbert
Hilbert\Hilbertmatrix.m, 365, 2008-05-15
Hilbert\hilbertreplace.m, 842, 2008-06-01
Hilbert\leftright.m, 104, 2008-05-15
Hilbert\updown.m, 94, 2008-05-15