1) grey level scrambling
灰度置乱
1.
This paper proposes a digital image grey level scrambling algorithm based on the classical Vigenère coding theory,and presents the detailed process of this algorithm.
该文基于经典的Vigenère密码理论,提出一种数字图像灰度置乱方法,给出利用这种方法进行数字图像置乱的算法流程。
2) gray scrambling factor
灰度置乱因子
1.
The problem on scoring the image scrambling extent objectively for still gray-level images is studied,and the image scrambling extent can be expressed by the DSF(distance scrambling factor) and GSF(gray scrambling factor) is proposed.
对如何客观评价静止灰度图像的置乱度问题,提出了置乱度Ds可用距离置乱因子和灰度置乱因子表示,给出了置乱度的具体计算公式,并计算了几种常用置乱方法的置乱度值。
3) gray disturbing
灰度扰乱
1.
Chaotic sequences are one-to-one and high-stochastically transformed to image pixel address by using variable modular arithmetic and technique of indirect address image,realizing position scrambling and gray disturbing for image encryption.
该算法采用可变模运算和间接地址映射技术,将混沌序列一对一、高度随机地转换为图像像素地址,实现图像的位置置乱和灰度扰乱加密。
4) disorder degree
置乱度
1.
The disorder degrees are computed and are compared with well-known Ar- nold method.
基于素数的性质,提出了两类新的图像置乱算法:双密钥算法和单密钥算法,计算其置乱度并与Arnold算法进行比较。
5) scrambling degree
置乱程度
1.
An evaluation method of image scrambling degree based on correlation;
基于相关性的图像置乱程度衡量方法
2.
Image scrambling degree evaluation method based on GRA
基于灰色关联分析的图像置乱程度评价方法
6) image scrambling degree
置乱程度
1.
Effective evaluation method of image scrambling degree
一种有效的图像置乱程度衡量方法
2.
By unifying the cross-entropy and the image optimal block processing, a digital image scrambling degree evaluation method based on block cross-entropy is proposed.
将交叉熵与图像的最优分块处理相结合,提出了一种基于分块交叉熵的数字图像置乱程度的评价方法。
3.
In the context of information hiding and digital watermarking,it is important to evaluate the image scrambling degree.
数字图像置乱在信息隐藏和数字水印中具有广泛的应用,对图像置乱程度的评价尤为重要。
补充资料:二风诗·乱风诗五篇·至乱
【诗文】:
嘻乎王家,曾有凶王,中世失国,岂非骄荒。复复之难,
令则可忘。
嘻乎乱王,王心何思?暴淫虐惑,无思不为;生人冤怨,
言何极之。
【注释】:
【出处】:
全唐诗:卷240_7
嘻乎王家,曾有凶王,中世失国,岂非骄荒。复复之难,
令则可忘。
嘻乎乱王,王心何思?暴淫虐惑,无思不为;生人冤怨,
言何极之。
【注释】:
【出处】:
全唐诗:卷240_7
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条