置乱，是指将图像的信息次序打乱，使其变换成杂乱无章难以辨认的图像。
n. scrambling
vt. scramble
关键词 ：脆弱水印；自嵌入；混沌；置乱 [gap=1105]Key words: fragile watermarking; self-embedding; chaos; scramble
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图像置乱 image scramble ; permuted image
频带置乱 band scrambling
语音置乱 speech scrambling ; eech scrambling
频带置乱器 bandscrambler
置乱器 Scrambler
置乱度 scrambling degree
置乱变换 scrambling transformation ; scramble transform ; permutation transform
光纤置乱器 fiber optic scrambler
像素置乱 pixel permutations ; Pixel Scrambling
We scramble the watermark to ensure the higher security and the robustness to cropping.
先将水印进行置乱,提高安全性和抗剪切的鲁棒性。
参考来源 - 一种基于小波分块的自适应数字水印In this paper, the application of shuffling techniques within watermarking and present criterion measure on shuffling degree is extensively studied. 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。
参考来源 - 置乱技术在数字水印中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
为保证水印的安全性，在嵌入之前先对水印图像作置乱处理，再将水印图像位扩展为原始图像的两倍大小。
To ensure the security of wartermark, the wartermark image was scrambled beforeembedding and then expanded to the twifold size of the original image.
提出了一种新的基于魔方的混沌图像置乱算法。
In this paper, a new algorithm is proposed for image scrambling based on magic cube and chaotic.
第四章介绍了水印的纠错编码和随机置乱技术。
In chapter four, I introduced the technology of ECC and random permutation.
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