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US08638978B2 Digital watermarking of low bit rate video 有权
低比特率视频的数字水印

Digital watermarking of low bit rate video
Abstract:
Methods for embedding digital watermarks in compressed video include perceptual adapting a digital watermark in predicted and non-predicted data based on block activity derived from the compressed video stream, embedding in predicted objects in a video stream having separately compressed video objects, and bit rate control of watermarked video.
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