Based on the analysis of conventional phase difference detection method,a new algorithm of phase difference detection is presented according to Fourier series decomposition method and the characteristic that inner product of two orthogonal vectors in a linear space is zero.
在分析现有相位差检测算法的基础上,应用Fourier级数分解方法与线性空间中正交向量内积为零的特性,推导出了一种新的相位差检测算法。
The main methods include:1) Invariant local feature regions are generated using locally most stable feature points of images;2) An approach is proposed to rapidly find the best image regular geometric flow in these local feature regions;and 3) An orthogonal vector is designed to extract the watermark blindly.
采取的主要方法有:1)利用图像中的局部最稳定特征点生成具有几何不变性的局部特征区域;2)在局部特征分块中快速寻找最佳几何流方向,近似最佳逼近效果;3)设计了一种正交向量盲提取水印。
This paper presents a new perceptual digital watermarking scheme based on human vision system,discrete wavelet transform and orthogonal vector.
提出一种基于人眼视觉模型、小波变换和正交向量的数字水印方案。
We utilized the strategy of vector orthogonality (SVO) and a kind of variable linking (VL) to transfer the N dimensional problem to 3 D one.
为研究多维函数图形的可视化问题 ,利用科学可视化概念和向量正交性的特点 ,将多维函数通过某种链化方式转化为三维函数 ,提出了函数可视化的一种新方法。
This paper intends to give a method expanding a group of linear independent vectors to a base in linear space R n and the methods expanding the orthogonal vectors to orthogonal base in R n.
给出在线性空间Rn 中把一组线性无关的向量扩充成Rn 中的一组基以及把欧氏空间Rn中的正交向量组扩充成正交基的一些方
The concepts concerned with the sub orthogonality of the vector,the sub orthogonal vector group,etc.
给出了向量的次正交与次正交向量组等有关概念及性质。
The concepts concerned with the sub orthogonality of the vector,the sub orthogonal vector group,etc.
给出了向量的次正交与次正交向量组等有关概念及性质。
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