|本期目录/Table of Contents|

[1]王洪涛,荆园园.基于特征点混沌算法的农产品图像数字水印实现[J].江苏农业科学,2017,45(04):179-182.
 Wang Hongtao,et al.Realization of agriculture products image watermarking based on feature and chaos algorithm[J].Jiangsu Agricultural Sciences,2017,45(04):179-182.
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基于特征点混沌算法的农产品图像数字水印实现(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年04期
页码:
179-182
栏目:
农业工程与信息技术
出版日期:
2017-02-20

文章信息/Info

Title:
Realization of agriculture products image watermarking based on feature and chaos algorithm
作者:
王洪涛荆园园
河南牧业经济学院,河南郑州 450044
Author(s):
Wang Hongtaoet al
关键词:
农产品仿真图像特征点混沌图像水印邻域像素梯度鲁棒性仿真试验信噪比
Keywords:
-
分类号:
S126
DOI:
-
文献标志码:
A
摘要:
针对当前农产品图像数字水印易受到几何变形等攻击破坏、不可感知性差、鲁棒性不高等问题,提出特征点混沌算法。通过特征窗内部的最小像素差的平方和确定特征点,且过滤掉低对比度侯选极值点;利用特征点邻域像素的梯度方向分布特性,为每个特征点指定方向参数,利用Tent混沌序列对图像进行置乱,通过相关性函数进行水印检测。仿真试验结果显示,本研究算法在提取猕猴桃和葡萄的数字水印过程中,注重特征点信息以及周围的信息,提取的水印效果清晰,且原始图像没有被破坏;在透明性测试指标中本研究算法的信噪比最大,嵌入后具有较好的不可见性;本研究算法的鲁棒性评价指标中最小,噪声攻击测试后本研究算法的相关系数下降速度最慢。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-12-25
基金项目:河南省政府决策研究招标课题(编号:2013B156)。
作者简介:王洪涛(1978—),男,湖北仙桃人,硕士,讲师,主要从事计算机应用研究。E-mail:fisher1978@qq.com。
更新日期/Last Update: 2017-02-20