用于水印目的的MPEG-4 AVC重新编码

International Workshop on Systems, Signal Processing and their Applications, WOSSPA Pub Date : 2011-05-09 DOI:10.1109/WOSSPA.2011.5931501

R. Ganji, M. Belhaj, M. Mitrea, F. Prêteux

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引用次数: 0

摘要

本文研究了MPEG-4 AVC域的鲁棒透明视频水印。它重新考虑并扩展了作者之前提出的插入技术，以提高其整体性能(透明度和对重新编码攻击的鲁棒性)。在这方面，对MPEG-4 AVC(迭代)解码/重编码引起的误差的实际影响进行了客观的研究。实验在中世纪语料库上进行(超过1小时的视频)。结果表明，该方法可使PSNR提高约1.3dB，使BER降低约10%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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MPEG-4 AVC re-encoding for watermarking purposes

The present paper deals with robust and transparent video watermarking in the MPEG-4 AVC domain. It reconsiders and extends an insertion technique previously presented by the authors in order to increase its overall performances (transparency and robustness against re-encoding attacks). In this respect, an objective study on the practical impact of the errors induced by the MPEG-4 AVC (iterative) decoding/re-encoding is carried out. The experiments are performed on the MEDIEVALS corpus (more than 1h of video). The results show an increase of the PSNR of about 1.3dB and a decrease of the BER by about 10%.

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International Workshop on Systems, Signal Processing and their Applications, WOSSPA

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