A New Watermarking Algorithm Based on Entropy Concept

被引：7
|
作者：
Mokhtari, Zouhir [1 ]
Melkemi, Khaled [1 ]
机构：
[1] Univ Biskra, Appl Math Lab, Biskra Dz 7000, Algeria
来源：
ACTA APPLICANDAE MATHEMATICAE | 2011年 / 116卷 / 01期
关键词：
Watermarking; Gray scale images; Discrete cosine transform; Entropy;
D O I：
10.1007/s10440-011-9629-3
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
This paper presents an alternative semi-blind watermarking algorithm in gray scale images. The new watermarking system changes the coefficients of discrete cosine transform in homogeneous manner. This algorithm is based on the modification of the base using the concept of the norm or the distance. Experimental results introduced at the end of this paper, demonstrates the robustness of the proposed strategy against different attacks.
引用
收藏
页码：65 / 69
页数：5
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