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引入视觉掩蔽模型的广义乘性水印
  • ISSN号：1007-2861
  • 期刊名称：上海大学学报(自然科学版)
  • 时间：0
  • 页码：113-116
  • 语言：中文
  • 分类：TP309[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]上海大学通信与信息工程学院,上海200072
  • 相关基金：国家自然科学基金资助项目（60832010,60773079）
  • 相关项目：感知稳健的词典式结构图像Hash
作者： 冯国瑞|王朔中|应昊明|
关键词： 广义乘性水印, 人类视觉系统, 最大可容忍失真, generalized multiplicative watermarking, human visual system（HVS）, just noticeable distortion（JND）
中文摘要：

广义乘性水印方法不仅能根据载体内容自适应调节水印嵌入量,而且能结合载体干扰消除技术提高水印检测率.提出一种引入视觉掩蔽模型的广义乘性水印方法,该方法考虑到JPEG压缩对离散余弦变换（discrete cosinetransform,DCT）系数的影响,利用最大可容忍失真控制每个DCT系数上的水印嵌入强度,避免了在图像细节丰富和对象边缘等部位出现可察觉的失真,保证了水印的不可见性.实验结果表明,在经过JPEG压缩后水印依然具有较好的检测性能.

英文摘要：

Generalized multiplicative watermarking can suit local contents in the host signal,and has a good performance in host-interference rejection.We propose an improved scheme of generalized multiplicative watermarking that incorporates the human visual system（HVS）.We explore the maximum watermark carrying capability of each DCT coefficient in JPEG compression in terms of the just noticeable distortion（JND）.This way,the watermarked image maintains a good visual quality without perceptible distortion in texture and edge areas to assure transparency.Experiments show satisfactory performance of watermark detection after the marked image is JPEG-compressed.

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感知稳健的词典式结构图像Hash
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期刊信息
  • 《上海大学学报：自然科学版》
  • 中国科技核心期刊
  • 主管单位:上海市教育委员会
  • 主办单位:上海大学
  • 主编：孙晋良
  • 地址：上海市宝山区上大路99号126信箱
  • 邮编：200444
  • 邮箱：xuebao@mail.shu.edu.cn
  • 电话：021-66135508
  • 国际标准刊号：ISSN：1007-2861
  • 国内统一刊号：ISSN：31-1718/N
  • 邮发代号:
  • 获奖情况:
  • 1996年获得第二届上海市优秀科技期刊二等奖,1999年获得上海市高等学校优秀自然科学学报二等奖,1999年获得全国优秀高校自然科学学报及教育部优秀...,2000年获得《CAJ-CD规范》执行优秀奖,2004年获得全国高校优秀科技期刊二等奖,2004年和2006年获上海市科技期刊编校质量优秀奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,美国数学评论（网络版）,德国数学文摘,美国剑桥科学文摘,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:6234