By the layers based on bit planes, this algorithm complement the embedding of two different types of watermarks: the two-valued sign image and the pseudorandom sequence according to N(O, 1).
本文的算法实现了两种不同形式水印的分层嵌入:标志图像的水印和满足正态分布的伪随机序列的水印。
参考来源 - 数字图像水印技术的研究The watermark consists of a pseudorandom sequence and its strength is modulated according to the local image characteristics.
水印为二值伪随机序列,其强度可通过局部图像特征来调节。
参考来源 - 基于小波变换和HVS的数字图像水印技术·2,447,543篇论文数据,部分数据来源于NoteExpress
This paper presents a method of layout plan of large area pseudorandom sequence diffusers to cut down the diffuse peaks and to meet user's demand.
为了消除这些旁瓣,并得到符合使用者要求的扩散声压响应曲线,本文提出一种实现伪随机序列扩散体群大面积最佳布置方案的布置方法。
The cyclic code based on pseudorandom sequence, and its decoding can take advantage of the nice characteristic of pseudorandom sequence's correlation.
构造一类具有伪随机序列性质的循环码,并利用良好的伪随机序列的相关特性,对循环码进行相关译码。
Audio information hiding algorithm based on spread spectrum is generally detected by correlation threshold but the orthogonal of pseudorandom sequence is always destroyed by perception reshaping.
基于扩频的音频隐藏算法一般都采用阈值相关法进行检测,但感知整形过程往往会破坏伪随机序列的正交性。
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