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A robust H.264/AVC video watermarking scheme with drift compensation
Xinghao Jiang1, Tanfeng Sun1, Yue Zhou1
1School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
Thescientificworldjournal
|March 28, 2014
Summary
This study introduces a robust H.264/AVC video watermarking scheme for copyright protection. The method uses motion vector residuals and drift compensation to ensure high accuracy against attacks.
Area of Science:
- Digital video processing
- Copyright protection technologies
- Information security
Background:
- Video watermarking is crucial for copyright protection.
- Existing methods face challenges with robustness and imperceptibility.
- H.264/AVC compression introduces complexities for watermarking.
Purpose of the Study:
- To propose a robust H.264/AVC video watermarking scheme.
- To minimize visual impact and distortion drift.
- To enhance copyright protection with self-adaptive drift compensation.
Main Methods:
- Utilizing motion vector residuals from smallest macroblock partitions.
- Implementing self-adaptive drift compensation.
- Applying Discrete Cosine Transform (DCT) to motion vector residuals for robustness.
Main Results:
- Achieved excellent imperceptibility and low bit-rate increase.
- Demonstrated robustness against various malicious attacks (different QPs, motion estimation algorithms).
- Maintained an average accuracy of 80% after lossy compression.
Conclusions:
- The proposed scheme offers effective copyright protection for H.264/AVC videos.
- The method balances robustness, imperceptibility, and efficiency.
- It provides a reliable solution against intentional video tampering.
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