In accordance with the visual property that human eyes are less sensitive to strong texture, a novel steganographic method based on wavelet and modulus function was presented.
根据人眼对纹理区域噪声不敏感的特性,提出了一种基于小波变换和模算子的密写。
参考来源 - 基于人眼视觉特性的图像密写技术研究In this paper, the cover image is divided into 2×2 nonoverlapping blocks, then the modulus function method is used in horizontal direction and the simple PVD method is used in vertical direction for steganography. The falling-off-boundary problem is solved.
为此，将原始图像分成互不相交的2×2的像素块，在水平和垂直2个方向上分别采用基于模函数的方法和普通PVD的方法进行隐写，并针对2种方法的特点对越界情况进行调整。
参考来源 - 基于像素差和模函数的隐写方法·2,447,543篇论文数据，部分数据来源于NoteExpress
The square modulus of the wave function is proportional to the probability density of finding the system at each point in the configuration space.
波函数的模平方正比于体系处在其位形空间各个点的几率密度。
When is it appropriate to use a simple modulus as a hashing function?
当它是适当的使用一个简单的弹性模量为散列函数？
It can not only increase the bearing capacity of supporting course, but also reduce the deformation modulus of the foundation and accelerate the drainage and consolidation function of the foundation.
它不仅能提高持力层的承载力，减少地基变形量，同时还可以加速地基的排水固结作用。
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