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affine space相关的网络例句

查询词典 affine space

与 affine space 相关的网络例句 [注:此内容来源于网络,仅供参考]

Firstly, affine covariant neighborhoods of visual words are used to verify the spatial consistency. Secondly, a set of affine transformation matrices between the corresponding covariant regions is calculated, and the matrix with the most inliers is chosen as the best matching affine transformation matrix. In this step, only a single pair of corresponding affine covariant regions is used to calculate the 6 degree of freedom affine transformation for acceleration. In the last step, the spatial consistency is verified by the BMATM.

首先通过视觉关键词仿射协变的空间邻近特征集进行初步空间关系一致性匹配;然后计算对应仿射协变区块的多组可能的仿射变换矩阵,并选择满足区块匹配最多的变换矩阵作为对象与图像之间最终仿射变换矩阵,其中,仅利用一对协变区块来计算自由度为6的仿射变换的算法有效地提高了计算速度和鲁棒性;最后通过计算出的仿射变换矩阵来精确验证对象与图像之间的空间位置关系是否一致。

This paper integrates linear affine transformation and nonlinear affine transforma-tion"s approach ability. Integrated affine transformation not only inherits the linear affine transformation"s low bit rate merit,but also inherits the nonlinear affine transformations approach ability.The method proposed in this paper is a new method, and never be proposed in other papers.

本硕士论文综合了线性仿射变换和非线性仿射变换的逼近能力,采用混合型的仿射变换既能发扬线性仿射变换的低比特率的优点,又能发扬非线性仿射变换的相似逼近能力,提高重建质量,本算法是一种新型的算法,文献中尚未提及。

Proves by matrix technique and ways that affine Unitary groups have double transition on the affine maximal and deseribes the total isotropic subspaces over affine Unitary geometry and their orbits and the use of affine maximal and total isotropic subspaces to construct several classes association scheme and PBIB designs, and the calculation of all parameters as well.

利用矩阵的技巧和方法,证明了仿射酉群双可迁地作用在仿射酉几何中的仿射极大全迷向子空间上,并且给出了轨道的明确表示。作为该理论的一个应用,利用仿射酉几何中的极大全迷向子空间的全体作为处理集构作了一个多个结合类的结合方案和PBIB设计,并计算了所有的参数。

For example, U-space is uniformly regular and which makes it has fixed point property, U-space is uniformly non-square and thus super-reflexive, uniformly convex space and uniformly smooth space are U-spaces, and an Banach space is an U-space iff its dual space is U-space, etc. In1990s, a lot of work had been done on U-space theory, e.g., Tingfu Wang and Donghai Ji introduced the concepts of pre U-property and nearly U-property. Under the structure of Orlicz space, they made systematic investigation of these properties, and gave the criteria for an Orlicz space to have U-property.

U-空间具有一致正规结构进而具有不动点性质;U-空间是一致非方的,进而也是超自反的;一致凸空间和一致光滑空间是U-空间;Banach 空间为U-空间的充要条件是其对偶空间为U-空间,等等。20世纪90年代,国内外学者对U-空间理论做了很多工作,王廷辅,计东海等人先后引入了准U-性质与似U-性质的概念,并在Orlicz空间框架下对有关性质进行了系统研究,完整给出了Orlicz空间具有各种U-性质的判据。

By describing Pythagorean theorem, the first time-space view explain the plane-line thought which impacts human's thinking manner; the second time-space view is absolute time-space theory of Newton and three-dimensions space-time view intersected by space-time; the third space-time view is curve space-time view which is generated from Einsteinian relative theory. The fourth space-time view is the directional, irreversible entropy time-space thought; the fifth time-space view is dense time-space view of cracked fractal generated from chaos-fractal theory.

第一时空观是通过对勾股定理的描述来说明影响人们思维方式的平直时空观;第二时空观是牛顿的绝对时空理论,是时空分割的立体三维时空观;第三时空观是爱因斯坦的相对论理论所带来的弯曲时空观;第四时空观是具有方向不可逆的熵时空观;第五时空观是混沌与分形理论所带来的破碎分形的稠时空观。

Compared with the invariant features of single parameter group, entirely global affine invariant features are more applicable, and chapter 4 introduces a new global affine invariant feature extraction method called EC-ARC, which is based on the invariance in affine geometry.

然后,提出了扩展质心(Extended Centroid, EC)和仿射区域划分(Affine Region Cutting, ARC)的新概念,并在EC和ARC的基础上,结合仿射几何性质,提出了构造具有完全仿射不变性的特征提取方法EC-ARC。

Thismethod adopted affine transformation model and a Lie derivative-based analytical algorithm.We introduced the process and characters in extracting information of biological visionsystem, studied the feasibility of the generalized Gabor function used as receptive fieldfunction in extracting information and analyzed affine transformation group and Liederivatives. Finally, we deduced the mathematical denotation for Lie derivatives, i.e. theinfinitesimal generator of the geometric distortion in affine transformation.

对生物视觉信息提取的过程及特点进行了介绍,其中主要研究了广义Gabor函数作为感受野函数提取初级视觉信息的可行性;对仿射变换作为外界图像信息在视觉成像系统上的投影模型的原理进行了初步讨论;对Lie变换群微分算子用于提取仿射变换不变量的分析方法作了剖析,并推导了该方法中关键部分——仿射变换Lie微分算子的具体表达式,也就是几何变形无限小微分算子的计算表达式,使下一步编程实现该方法成为可能。

SIFT(Scale Invariant Feature Transform) local feature is chosen because of its scale invariance and the property of accurate key-point localization.The Euclidean distance between different SIFT feature vectors is defined as the measure of similarity to get the pre-matched key-point pairs.The affine transform model is used to realize the registration.In order to get the accurate affine transform parameter,the principal of affine transform error is used to get rid of mismatched key-point pairs from the pre-matched pairs.

该方法选取具有良好尺度、旋转不变性以及精确特征点定位能力的SIFT局部特征,使用其特征向量间的欧氏距离作为相似性度量进行特征点匹配,并依据仿射变换误差准则去除奇异匹配特征点对,采用仿射变换的几何模型,实现了遥感图像的快速自动配准。

In Brunn-Minkowski-Firey theory, we establish two extremum properties of the new ellipsoid; Then we generalize Petty\'s affine projection inequality and monotonicity results related to affine surface area to L_p—affine surface area; We establish the Brunn-Minkowski type inequalities for the volume of the L_p centroid body and its polar body with respect to the normalized L_p radial addition. At last, we introduce the minimal L_p—mean width of a convex body and generalize the minimal mean width to the Brunn-Minkowski-Firey theory.

在L_p-Brunn-Minkowski理论中,我们首先给出了两个关于新椭球的极值性质;然后研究了L_p仿射表面积,将Petty仿射投影不等式和Winterniz单调性问题推广到L_p仿射表面积;建立了L_p质心体和其极体的Brunn-Minkowski型不等式;研究了凸体的最小L_p平均宽度,给(来源:3bABbeC论文网www.abclunwen.com)出凸体K具有最小L_p平均宽度的充分必要条件,最后给出了凸体L_p平均宽度位置的稳定性。

In the fourth chapter, firstly it introduces the Boolean functions algebraic expressions of the 2-value clock-controlled stop-and-go generator and Gunther generator. It reveals the balanced property of the two kinds of Boolean functions, and studies the Walsh cycle spectrum and the autocorrelation function. It also obtains the coincidence rate of their output sequences with affine sum of some bits of input sequences, and analyzes their ability of resisting the best affine approximation cryptanalysis and differential cryptanalysis. Secondly, we properly present a new definition of the Best Affine Approximation, namely BAA on the Boolean vector functions, followed by the spectral characteristic of such defined BAA attacks through using the decomposition formula of the union distribution for random variables. A lower bound of such BAA attacks is proposed. Finally, we also study the spectral characteristic of the second kind of nonlinearity of Boolean vector functions, followed by a higher bound of such nonlinearity. Furthermore, the limited relationship between the second kind of nonlinearity of Boolean vector functions and the linear structure of the linear combination of every component is analyzed.

在第四章中,首先给出了2值密钥流"停走生成器"和"衮特生成器"中实际存在的布尔函数的代数表示,揭示了这两类布尔函数的平衡性,随后研究了它们的Walsh循环谱和自相关函数等,得到了它们的输出序列与输入序列中的某些bit的仿射项的符合率,分析了它们抵抗最佳仿射逼近攻击和差分攻击的能力;其次,我们合理地给出了布尔向量函数最佳仿射逼近的新定义,利用布尔随机变量联合分布的分解式考察了相应的谱特征,并给出了布尔向量函数与其最佳仿射逼近的符合率的一个下界;最后,我们还考察了布尔向量函数第二类非线性度的谱特征,给出了布尔向量函数第二类非线性度的一个上界,并揭示了布尔向量函数第二类非线性度与其各个分量的线性和的线性结构之间存在的制约关系。

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The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度,既是社会信用体系的建设者,同时也是社会信用的捍卫者,在诚信中有其特殊的价值和功能。

"He'll never love you as much as you love him," Ben pronounced.

"他永远不会像你爱他那样爱你。"本说。