1) scrambling
[英]['skræmblɪŋ] [美]['skræmblɪŋ]
置乱
1.
Schema for digital image scrambling based on TD-ERCS chaotic sequences;
基于TD-ERCS混沌序列的数字图像置乱方法
2.
Algorithm of image scrambling based on steganography;
基于隐写术的图像置乱算法
3.
Folio Scrambling Algorithm and Degree of Scrambling Analysis;
对折置乱算法及置乱度分析
2) scramble
[英]['skræmbl] [美]['skræmbəl]
置乱
1.
Chaos-based scramble self-embedding watermarking algorithm;
基于混沌置乱的分块自嵌入水印算法
2.
The better image scramble effect could be obtained with simple Arnold calculation.
近年来,图像置乱技术被广泛地应用在数字水印中。
3.
Use the experience sequence of the image to decide the tier scramble of image,and use the tier sequence to decide the row scramble of image.
根据图像的行的遍历顺序来决定的列的置乱顺序,再根据列的遍历顺序来对行进行置乱。
3) permutation
[英][,pɜ:mju'teɪʃn] [美]['pɝmju'teʃən]
置乱
1.
Implementation and improvement of MPEG4 video encryption by ZigZag permutation;
基于ZigZag置乱的MPEG4视频加密方案及改进
2.
Firstly,chaotic sequences are generated based on logisitc mapping and applied to pre-encrypt the image,including improved magic-cube scrambling and pixels permutation;then further processing are used to hide the pre-encrypted image based on bit operation.
首先应用混沌系统产生混沌序列,用此混沌序列对原始图像做预处理加密,即做改进的魔方置乱和像素置换;然后对结果图像做进一步基于位运算的隐藏;最后应用评价指标对隐藏效果和安全性进行分析。
3.
The security of the scheme is effectively improved by using chaotic modulation and permutation to the embedded watermark and making a expansion for the key space.
通过对于嵌入的水印进行混沌调制和置乱,并扩展密钥空间,有效地改进了算法的安全性。
4) shuffle
[英]['ʃʌfl] [美]['ʃʌfḷ]
置乱
1.
It encodes the bitplane of spatial domain image byquadtree encoded, shuffles and selectively encrypts the data according to the structure of quadtree encoding.
对空域图像位平面采用四叉树编码,根据四叉树编码的结构特点对数据进行置乱和选择加密,对加密算法进行加密数据量分析和安全性评估。
2.
The criterion measure is helpful to decide how far to shuffle a image in order to obtain the best robustness.
本文对置乱技术在数字水印中的应用进行了研究并提出了置乱程度的标准测度,这个标准测度能够帮助我们判断为了达到最好的水印鲁棒性对一幅图象应该置乱到什么程度。
5) shuffling
[英]['ʃʌfliŋ] [美]['ʃʌfḷɪŋ]
置乱
1.
Finally, the watermarking data are embed into the lowest bits of the image data after being changed with arnold shuffling techniques .
算法用小波变换提取出图像的低频部分作为水印,然后再用RS纠错编码技术对水印进行编码,再利用置乱技术及加密技术将校验码处理后植入图像的最低有效位。
6) position scrambling
位置置乱
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。
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