Low frequency coefficients of the image embedded with visible watermark are selected to embed invisible watermark using quantization method byappropriate quantifying step size.
对嵌入可见水印图像的低频小波系数进行量化,并将合适的量化步长嵌入不可见水印。
参考来源 - 基于小波变换的多功能数字水印 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
应用推荐