The watermarking embedding arithmetic we chose is to embed the watermark at the chroma DCT field of the I-VOP frame and Motion Vectors in the MPEG-4 bitstream, based on the idea of spread spectrum.

 
  • 采用的数字水印算法为在MPEG-4压缩视频流的IVOP帧色度DCT域和运动矢量中添加数字水印。
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