基于矩不变量的易碎图像水印(英文)

doi:10.7523/j.issn.2095-6134.2004.1.016

摘要/Abstract

摘要：

为了能够在没有额外密码或图像索引的情况下,使VQ攻击无法执行,一种基于矩不变量的易碎图像水印算法被提出。图像矩不变量被提取出来作为图像的索引,来生成依赖于原始图像的、攻击者不知道且不同图像不同的水印。嵌入水印时,图像块的最高信息位MSB位流数据被加密后,作为Hash函数的输入,Hash函数的输出与生成的水印相互处理后,嵌入到图像块的LSB上。实验结果证明,该算法可以很好地定位检测图像发生的任何细小的改动,而且可以在没有任何额外的特有密码或图像索引的情况下,成功地抵抗VQ攻击。

关键词: 易碎水印, VQ攻击, 矩不变量

Abstract:

To make vector quantization (VQ)attack impossible without the need of any unique keys or image indexes, a moment invariants based fragile image w aterm irking scheme is proposed.Image moment invariants are extracted as the index to generate the image-

Key words: fragile water marking, VQ attack, moment invariants

中图分类号:

TP391.41

刘飞龙, 王阳生. 基于矩不变量的易碎图像水印(英文)[J]. 中国科学院大学学报, 2004, 21(1): 101-107.

Liu Fei-long, Wang Yang-sheng. Moment Invariants Based Fragile Image Watermarking[J]. , 2004, 21(1): 101-107.

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