视频水印提取中的信号组合技术

2002 IEEE Workshop on Multimedia Signal Processing. Pub Date : 2002-12-09 DOI:10.1109/MMSP.2002.1203317

Tiago Rosa Maria Paula Queluz, T. Brandão, A. Rodrigues

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引用次数: 1

摘要

分析了信号组合技术在视频水印提取中的作用。采用扩频类离散余弦变换域(DCT域)水印技术作为嵌入方法，并结合常用的纠错码(BCH、带多级信令的Reed-Solomon码和带维特比译码的二进制卷积码)。除了对信号合并策略进行分析评价外，还对其在MPEG-2视频压缩下的有效性进行了实验评估。

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Signal combining techniques for video watermarking extraction

This paper analyses the effect of signal combining techniques in video watermark extraction. A spread-spectrum like discrete cosine transform domain (DCT domain) watermarking technique is used as embedding method, together with common error correction codes (BCH, Reed-Solomon with multilevel signaling, and binary convolutional codes with Viterbi decoding). Besides an analytical evaluation of the signal combining strategies, its effectiveness is also assessed experimentally under MPEG-2 video compression.

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来源期刊

2002 IEEE Workshop on Multimedia Signal Processing.

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