DIGITAL_WATERMARKING

作品数：67被引量：95H指数：5
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相关作者：张达治孙晓燕邵辰陈立全卢苗更多>>
相关机构：湖南大学华中科技大学华中师范大学吉林大学更多>>
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  • 期刊=The Journal of China Universities of Posts and Telecommunicationsx
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Digital rights management independent of terminals in mobile applications被引量：2
《The Journal of China Universities of Posts and Telecommunications》2007年第1期32-38,共7页ZHANG Li-he KONG Xiang-wei YANG Cheng 
At present, most mobile terminals do not have any functions of fights management, and the cryptology-based method cannot resolve all the copyright problems in the mobile digital distribution service. With the urgent d...
关键词：DRM copyright protection digital watermarking mobile distribution service 
Digital Watermarking Applied To MEPG-2 Coded Video Sequences Exploiting Motion Vector被引量：6
《The Journal of China Universities of Posts and Telecommunications》2004年第2期35-39,共5页DAIYuan-jun ZHANGLi-he YANGYi-xian 
Thisworkwassupportedbythe 973NationalBasicResearchProgramofChinaandtheNationalNaturalScienceFoundationofChina.underresearchgrantnumbers1 9990 3580 4and 90 2 0 4 0 1 7
This paper proposes a video watermarking technology to hide copyright information by a slight modification of the motion vector in MPEG-2 video bitstream. In this method, the watermark is embedded in the motion residu...
关键词：video watermark MPEG motion vector multimedia security 
An Anti-Cutting Watermarking Algorithm Based on Matrix Multiplication Secret Sharing Scheme被引量：2
《The Journal of China Universities of Posts and Telecommunications》2004年第1期90-95,共6页YAOHui-ming ZHANGLi-he SUIAi-fen 
ThisworkissupportedbytheNationalNaturalScienceFoundationofChina (No.60 0 730 4 9) ;andbytheNationalGrandFundamentalResearchProgram"973"ofChina(No.G1 9990 3580 4 ) .
A digital watermarking algorithm based on the matrix multiplication secret sharing scheme is proposed. It partitions the field of the image into n shares, and also partitions the watermark into n shares correspondingl...
关键词：information hiding digital watermarking secret sharing 
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