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多类水印的同时嵌入

华先胜 石青云

北京大学学报(自然科学版)2001,Vol.37Issue(3):305-314,10.
北京大学学报(自然科学版)2001,Vol.37Issue(3):305-314,10.

多类水印的同时嵌入

To Embed Multiple Watermarks Simultaneously

华先胜 1石青云1

作者信息

  • 1. 北京大学数学科学学院信息科学系,
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摘要

Abstract

It is studied that the problems in embedding multiple watermarks simultaneously,and proposed an image watermarking scheme which embedded fragile and robust watermarks at the same time.This algorithm,which is based on integer wavelet transform,is public watermarking scheme,both of the two kinds of watermarks can be retrieved without knowing the original image.For retrieving the watermarks,the author proposed a “credible bit” method,which could enhance the robustness of the watermarks.Meanwhile,besides telling you whether an image has been tampered,the fragile watermark could as well,reflect the distortion status in both spatial and frequency domain of the image.

关键词

信息隐藏/数字水印/鲁棒水印/易损水印

分类

信息技术与安全科学

引用本文复制引用

华先胜,石青云..多类水印的同时嵌入[J].北京大学学报(自然科学版),2001,37(3):305-314,10.

基金项目

国家自然科学基金(69735020)、国家重点基础研究发展规划(G1998030606)资助项目 (69735020)

北京大学学报(自然科学版)

OA北大核心CSCD

0479-8023

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