基于像素值差分和不确定方程模函数的数据嵌入

Q4 Computer Science
Wang Zhao , Zhang Jie , Liao Xin , Wen Qiaoyan
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引用次数: 37

摘要

提出了一种基于像素值差分(PVD)和模函数(MF)PVD(MF-PVD)的有效数据隐藏方法。王等人提出了MF-PVD方法,其中MF-PVD用于调整两个像素的余数以进行数据嵌入和提取。在所提出的方法中,通过选择适当的参数,定义了一个更通用形式的新余数函数,其中构造了一个不确定方程,并应用最优解来修正像素。与原始方法相比,该策略显著降低了图像失真。实验表明,通过保留原始嵌入容量,该方法比MF-PVD和PVD方法提供了更好的嵌入效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Data embedding based on pixel value differencing and modulus function using indeterminate equation

An effective data hiding method based on pixel value differencing (PVD) and modulus function (MF) PVD (MF-PVD) was proposed. MF-PVD method was derived by Wang et al in which the MF was employed to adjust the remainder of two pixels for data embedding and extraction. In the proposed method, a new remainder function in a more general form is defined by selecting proper parameters, in which an indeterminate equation is constructed and an optimal solution is applied to revise the pixels. This strategy leads to a significant image distortion reduction compared with the original method. The experiment reveals that, by preserving the original embedding capacity, the method provides better embedding efficiency than both MF-PVD and PVD methods.

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来源期刊
CiteScore
0.50
自引率
0.00%
发文量
1878
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