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- A novel fragile watermarking based on image singular value was proposed to overcome the security problems of fragile watermarking with precise localization. 针对精确定位型脆弱水印算法的安全性问题,提出一种基于图像奇异值的脆弱水印方案。
- image singular value 图像奇异值
- The problem of image matching and target tracking based on singular value decomposition (SVD) was discussed. 摘要 研究了基于奇异值分解的图像匹配和目标跟踪问题。
- Taking Time Frequency Distribution (TFD) of the radar signal as an image, the method uses image processing algorithm for extracting its singular value. 该方法把雷达信号的时频分布作为一幅图像进行处理，利用图像处理算法提取其奇异值特征。
- Using the discrete image degradation model, a block-based SVD filter scheme was applied for the image denoising with an automatically determined singular value rank. 从图像的退化离散模型出发，对图像进行逐层分块奇异值分解，并自动选取奇异值重组阶数以减少噪声对估计的影响。
- At first, the road image is divided into some sub-images.The algebra feature vectors of all sub-images are extracted using Singular Value Decomposition (SVD) method. 首先将图像分割成若干子图像，然后分别对子图像进行奇异值分解，提取子图像的代数特征向量。
- The SVD had robust performance that was invariant to image disturbance and it made the singular value credible to represent the image as an algebraic feature. 由于图像的奇异值特征具有良好的稳定性，可以将奇异值当作一种有效的代数特征来描述并表征图像。
- Methods The color Doppler data including intraventricular pressure gradients(IVPG) and color singular value(CSV) were collected with the two-dimensional color Doppler image analyzing system. 方法使用自制左室流入彩色多普勒图像分析系统,自动计算舒张早期沿左室流入彩色多普勒血流的色阶差数据,计算左室流入血流的平均压力阶差(IVPG)与彩色血流色阶奇异值(color singularvalue,CSV)。
- A novel watermarking algorithm for digital image based on DCT and SVD is proposed in this paper, which combines both merits of discrete cosine transform (DCT) and singular value decomposition (SVD). 摘要结合奇异值分解(SVD)和离散余弦变换(DCT)的特点，提出了一种基于离散余弦变换与奇异值分解的数字图像水印算法。
- According to some properties, of SVD, each singular value (SV) specifies the luminance of the SVD image layer, whereas the respective pair of singular vectors specifies image geometry. 图像奇异值分解（SVD）有以下性质：分解后图像矩阵的奇异值集中反映了图像的“亮度”（能量）特性，而对应的奇异矩阵只反映了图像的“几何”特性。
- Numerical method is presented by using singular value decomposition and an example is given. 应用奇异值分解，给出了结构模型修正的数值方法，并进行了数值实验。
- By applying the multiple quotient singular value decomposition QQQQQ-SVD, We prove a conjecture appeared in SIAM J. 我们通过使用六个矩阵的广义奇异值分解QQQQQ-SVD，证明了1998年发表在SIAM J.
- The method of the singular value decomposition (SVD) of matrixes reflects the inwardness and essence character of the images, so it has wide application in the image processing. 摘要由于矩阵的SVD分解方法反映了图像的内在属性和本质特征，在图像处理中得到了广泛应用。
- Low-rank estimation used the frequency correlation of the channel and singular value decomposition method. 低秩估计方法利用信道的频域(/时域)关性以及奇异值分解技术。
- An approach of suppressing the transient interference based on Singular Value Decomposition (SVD) is presented in this paper. 该文提出了基于矩阵奇异值分解的高频雷达瞬态干扰抑制方法。
- Due to its ability to calculate the extremum，the semi singular value decomposition will be more useful in many applications. 因为该算法有求极值的能力，所以它将在应用领域中发挥更大的作用。
- In this paper, a kind of mono-lead FECG based on PC is introduced, which extracts FECG by way of singular value decomposition. 介绍了一种单导胎儿心电记录仪。系统以PC机为核心,采用奇异值分解方法提取胎儿心电信号。
- By decomposing a matrix into one diagonalizable matrix and two orthogonal matrixes，singular value decomposition has very good properties. 摘要 奇异值分解是将一矩阵分解为一个对角矩阵和两个正交矩阵，奇异值分解有着非常好的性质。
- Theoretically, canonical truncated singular value decomposition (TSVD) is considered a good regularization method in solving ill-posed problems. 摘要典则TSVD方法是求解线性不适定问题的一种很好的正则化方法。
- First, for the input matrix, the method adopts Jacobi singular value decomposition to get the singular value vector as the speech enhancement filter. 该方法首先对输入矩阵进行雅克比奇异值分解，用得到的奇异值矢量构造语音增强滤波器；
