奇异值
- 网络Singular Value;svd;outlier
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针对图像载体,着重研究了空域(奇异值分解)和变换域(DCT)基于系数关系的的半脆弱数字水印技术,在此运用大量试验和评价参数分析算法有效性,从而有效抵抗恶意篡改。
With the image carrier , focused on airspace ( SVD ) and transform domain ( DCT ) coefficients based on the relationship between the semi-fragile digital watermarking technologies .
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基于混沌和奇异值分解的双层水印方法
Double - Level Watermarking Algorithm Based on Chaos and SVD
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基于奇异值正交分解ECG信号的重建
The Reconstruction of ECG on SVD
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基于奇异值分解和免疫克隆BP网络的隧道围岩变形位移的前推修正模型
Model of deducing onwards and revising displacement of tunnel surrounding rock based on singular value decomposition and immune clone BP network
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提出了一种结合奇异值分解(SVD)和DCT变换的零水印算法。
The paper brings forward a kind of hybrid SVD-DCT zero-watermark algorithm .
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将奇异值作为改进的BP神经网络的输入对神经网络进行训练和故障识别。
The improved BP neural network was trained with singular value as the ideal input and codes of fault states as the ideal output .
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奇异值分解(SVD)理论在同步电机参数辨识中的应用
The SVD Applied to the Identification of the Basic Parameters of Synchronous Machine
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关于加权奇异值分解与QR分解的渐近表达式的证明
A Proof on the Asymptotic Behavior of Scaled Singular Value and QR Decompositions
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进而,以静止图像作为研究对象,重点研究了小波变换域采用奇异值分解(singularvaluedecomposition,SVD)的数字水印技术。
Adopting still images as research objects , the thesis focuses on wavelet transform domain singular value decomposition ( SVD ) - based image watermarking techniques .
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采用奇异值分解方法计算Jacobian矩阵的广义逆;
A generalized inverse matrix of the Jacobian matrix was calculated using SVD method ;
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基于KL投影和奇异值分解相融合的人脸识别方法的研究
Research on Based on Singular Value Decomposition and KL Projection Fusion Decision
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Hong阐明了图像矩阵奇异值具有很多优良特性,也得出了图像矩阵奇异值具有旋转不变性这一结论。
Hong ' article gives many excellent characteristics of the singular values extracted from an image matrix , and reaches the conclusion that the singular values are invariant to rotation .
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并行LanczosSVD(奇异值分解)计算
Parallel Lanczos SVD ( Singular Value Decomposition ) solver
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奇异值分解(SVD)及其在时间序列分析中的应用&算法与问题研究
Singular value decomposition ( svd ) and its applications in time series analysis & algorithms and problems study
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根据文献[1],本介绍利用矩阵奇异值分解(SVD)的多变量系统稳定性判定的程序算法,并以实例说明这种方法的特点和应用。
According to reference [ 1 ] , this paper presents the algorithm and programme of the multi -
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提出以道路图像矩阵的局部奇异值向量作为特征输入,以BP神经网络作为分类器的道路导航方法。
This paper presents a method for road navigation , which takes local singular value vectors of image matrix as the feature input and a BP neural network as the classifier .
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该方法通过奇异值(SVD)分解,根据归一化奇异值得到多项式的有效阶。
The effective order can be acquired according to normalized singular value after singular value decomposition ( SVD ) .
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从分解的多尺度特征出发,提出了基于IMF奇异值分解的虹膜识别方法,降低了编码长度。
From the multi-scale characteristics of decomposition , the iris recognition method based on IMF is proposed in order to reduce the length of the encoding .
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研究一种重要的基于状态空间的系统结构奇异值μ分析方法,克服了标准H∞鲁棒控制对于结构不确定性系统分析的保守性。
The system structured singular value μ analysis method on the base of the state space is studied to solve the conservative of the standard H ∞ robust control to the structured uncertainty system .
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提出了一种利用潮流Jacobian矩阵的最小奇异值δmin选择无功补偿节点的方法。
A method to determine reactive-load compensation nodes by the minimum singular value δ _ ( min ) in Jacobian load current matrix is proposed .
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这种新方法通过信号子空间的奇异值和奇异向量得到CDMA系统的线性最小均方误差(MMSE)多用户检测器。
The proposed detector uses singular values and singular vectors of the signal subspace in a linear MMSE multiuser detector for the DS CDMA system .
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介绍了Zernike拟合的Gram-Schmidt以及奇异值分解两种方法;
Gram-Schmidt method for Zernike polynomials fit and singular value decomposition ( SVD ) are concerned .
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提出了奇异值分解(SVD)和主分量分析(PCA)相结合的人脸识别算法。
A face recognition method based on the fusion of principal component analysis ( PCA ) and singular value decomposition ( SVD ) is presented .
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为此本文采用了一种基于奇异值分解(SVD)的机织物瑕疵检测算法。
We propose a woven fabric defect detection algorithms which based on singular value decomposition ( SVD ) of woven fabric defect detection .
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计算部分奇异值分解的隐式重新启动的双对角化Lanczos方法和精化的双对角化Lanczos方法
Implicitly restarting the Lanczos method and the refined Lanczos method for computing a partial singular value decomposition
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该方法利用Gaussian窗函数的滤波特性,通过选择合适的Gaussian窗函数幂次,来达到降低敏感场矩阵的小奇异值对重建结果造成不稳定的效果,从而获得较好的图像重建结果。
The system uses spectral filtering with the proper power of the spectral filter based on the Gaussian window function , measurement error instabilities and the small singular values of the sensitivity matrix .
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关于正交基法,文中给出了基于奇异值分解的和基于QR分解的两种实现方式。
For orthogonal basis method , two strategies for realization , which are respectively termed SVD-based scheme and QRD-based scheme , have been presented .
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利用奇异值分解方法和求解Lyapunov方程,在一定条件下给出了使不确定广义系统正则、无脉冲且稳定的一个稳定界。
By using singular factorization and solving Lyapunov equation , a robust stable boundary is given such that the uncertain singular system under consideration is regular , impulsive free and stable .
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运用BP网络进行识别,提出了一种基于奇异值特征的神经网络人脸识别新方法。
A new approach for face recognition on singular value features and neural networks is presented , in which singular values of face image matrix are used as features , and Back-Propagation ( BP ) network as recognition .
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针对Zernike拟合时的藕合与混淆,采用先用齐次坐标变换去除刚体位移,再用奇异值分解进行Zernike拟合。
To solve-the coupling and mixture of Zernike polynomials fit method , rigid-body displacement is removed with coordinate transformation and then fitted with Zernike polynomials .