Using the sensitivity to the initial conditions and parameters of mixed-optical bistable chaotic sequence, we have a new scrambling algorithm about watermarking image.
利用混合光学双稳混沌序列的伪随机性和初值敏感性,提出一种用于数字水印中的水印图像置乱算法。
Firstly, it can be obtained 2-value watermark image by PDF417 coding to watermark information and chaotic sequence scrambling.
首先将水印信息进行PDF417编码,并在密钥控制下进行混沌序列置乱后得到二值水印图像;
Based on the analysis of the defect of the traditional iterated image scrambling, a new image scrambling algorithm was proposed based on chaotic sequence and bit exchange.
在分析传统迭代型图像置乱方法不足的基础上,提出一种新的基于混沌序列和位交换的图像置乱算法。
Chapter six studies characteristics and implementations of pseudo-random sequence generator and data scrambling, and fulfills the de-scrambling function with ASIC.
第六章讨论了伪随机序列和数据扰码的特点,并给出了其ASIC实现方案。
Can be used to solve this problem sequence of m source sequence "scrambling" to deal with, so that source of random sequences.
解决这个问题可用M序列对信源序列进行“加扰”处理,以使信源序列随机化。
Can be used to solve this problem sequence of m source sequence "scrambling" to deal with, so that source of random sequences.
解决这个问题可用M序列对信源序列进行“加扰”处理,以使信源序列随机化。
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