音频数字水印SVD_DWTAudioMark

音频数字水印SVD_DWTAudioMark

function wa=arnold（wwrowkey）
wa=w;
for k=1:key
    for x=1:wrow
        for y=1:wrow
             x1=x+y;
             y1=x+2*y;
             if x1>wrow
                 x1=mod（x1wrow）;
             end
             if y1>wrow
                 y1=mod（y1wrow）;
             end
             if x1==0
                 x1=wrow;
             end
             if y1==0
                 y1=wrow;
             end
             wa（x1y1）=w（xy）;
        end
    end
     w=wa;
end
    

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-10-12 21:37  SVD_DWTAudioMark\
     文件     1049654  2009-11-08 14:42  SVD_DWTAudioMark\Markedwave.bmp
     文件       81210  2016-10-12 21:39  SVD_DWTAudioMark\Markedwave.wav
     文件         505  2009-03-23 12:19  SVD_DWTAudioMark\arnold.m
     文件         256  2009-11-02 19:54  SVD_DWTAudioMark\check_arnold.m
     文件       66614  2009-11-13 15:09  SVD_DWTAudioMark\dwt_watermarked.bmp
     文件         845  2009-11-07 18:59  SVD_DWTAudioMark\extract.m
     文件       81209  2009-11-07 09:39  SVD_DWTAudioMark\laile.wav
     文件      263222  2009-08-10 20:44  SVD_DWTAudioMark\lena.bmp
     文件      497692  2009-11-05 20:28  SVD_DWTAudioMark\lenovo.wav
     文件         223  2009-11-06 20:37  SVD_DWTAudioMark\nc.m
     文件         650  2009-11-04 16:21  SVD_DWTAudioMark\psnr.m
     文件         574  2009-11-05 20:58  SVD_DWTAudioMark\suda64.bmp
     文件        2970  2009-11-10 09:54  SVD_DWTAudioMark\svddwt.m
     文件        5174  2009-11-13 15:09  SVD_DWTAudioMark\watermark_r.bmp
     文件      169644  2009-11-07 09:37  SVD_DWTAudioMark\xiyangyang.wav
     文件        5174  2009-11-13 15:49  SVD_DWTAudioMark\zl.bmp