New Real-time Watermarking Algorithm for Compressed Video in VLC Domain.
出版社：
- 会议名称：IEEE International Conference on Image Processing (ICIP 2004)
- 举办地点：Singapore,Singapore
- 举办日期：October 2004
- 页数：2171-2174
摘要内容：
As a main method for copyright protection of digital video data, video watermarking has been proposed and investigated. However, unlike still image, vidco watermarking tcchnology must meet the real-time requirement. In this paper a new real-time watermarking, differential number watermarking (DNW), which can hedirectly performed in the VLC domain, will he proposed. The label bits arc cmhcddcd in a pattern of number differences betwccn two subregions by selectively removing high frcqucncy components. The DNW algorithm has only half the complexity of other VLCdomain watermarking algorithms. And comparing with theDEW algorithm, it doesn’t need quantization step. The experimental results show that the DNW algorithm performs better on watermark’s visual quality impact,capacity and robustness than the DEW algorithm.
