发明授权
- 专利标题: Hybrid digital watermarking for video authentication
- 专利标题(中): 用于视频认证的混合数字水印
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申请号: US10717069申请日: 2003-11-19
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公开(公告)号: US07409556B2公开(公告)日: 2008-08-05
- 发明人: Zhenyu Wu , Xiao-Hong Yan
- 申请人: Zhenyu Wu , Xiao-Hong Yan
- 申请人地址: US NJ Princeton
- 专利权人: MY EZ Communications, LLC
- 当前专利权人: MY EZ Communications, LLC
- 当前专利权人地址: US NJ Princeton
- 代理机构: F. Chau & Associates, LLC
- 主分类号: H04L9/00
- IPC分类号: H04L9/00
摘要:
A hybrid digital watermarking system for video authentication includes an authenticated acquisition subsystem for digitally watermarking video data and a video management subsystem in signal communication with the authenticated acquisition subsystem for verifying the digitally watermarked video data, where the authenticated acquisition subsystem may include a watermarking device for applying each of an identity signature and a control signature to the video data within a hybrid digital watermark, and the hybrid digital watermark may achieve progressively varying robustness by means of error-correcting signature coding and/or rate-distortion guided bit embedding.
公开/授权文献
- US20040131184A1 Hybrid digital watermarking for video authentication 公开/授权日:2004-07-08
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