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一种图像自嵌入方法 被引量：12

A Method of Image Self-Embedding
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摘要 描述了一种图像的自嵌入保护方法,将图像分成8×8的子块,每个子块的压缩编码与偏移子块的认证信息嵌入到偏移子块中.数据嵌入时,最多只改变原图像子块最低位数据的一半,对原图像影响相对较小,当原图像有缺损或被篡改时,可较准确地确定其位置,并可较好地恢复原图像. This paper presents a method of image protection using self-embedding. The image is divided into 8× 8 block , compressed codes of each block and authentication information of the block offset are embedded into the block offset. When data is embedded, only no more than half of the data on the least significant bits need to be modified, and relatively the influence to the original image is on the small side. Changes to the image can be detected, located and corrected with this method.
作者 钱振兴 程义民 王以孝 田源
机构地区 中国科学技术大学电子科学与技术系
出处 《电子学报》 EI CAS CSCD 北大核心 2006年第7期1347-1350,共4页 Acta Electronica Sinica
关键词 自嵌入 定位 恢复 脆弱水印 self-embedding tamper locating image recovery fragile watermark
分类号 TP391 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献8

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  • 4张鸿宾,杨成.图像的自嵌入及窜改的检测和恢复算法[J].电子学报,2004,32(2):196-199. 被引量：49
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二级参考文献19

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共引文献62

同被引文献150

引证文献12

二级引证文献12

电子学报
2006年 第7期

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