A udiow atermarkingt hatm odulatesD C levels hift accordingt o watermark has wonderful low pass and noise resistance performance . When loss of watermarking synchronization occurs, if the shift of synchronization position is trivial, the sign of DC level will not be changed, but if notable, the sign of DC level will be changed, as result watermarking extracting error occurs.
基于1个网页-相关网页
应用推荐