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The available camera self-calibration is based on the image of the dual absolute quadric, but its elements have so large differences in magnitude that solutions are extremely sensitive to noise.

现有的自定标技术一般都是基于对偶绝对二次曲面像,由于对偶绝对二次曲面像元素在数量级上相差较大,在求解时必然会导致鲁棒性较差。

A differential equation is introduced to construct canonical dual function. The corresponding perfect duality theory is established to show the relationship between the KKT points of the primal problem and the canonical dual problem.

通过引入常微分方程和构造Canonical对偶函数的局部形式,引入了相应的对偶定理,勾勒出了原问题的KKT点和对偶问题的KKT点两者之间的关系。

A special kind of prime dual ideals are defined in a lattice implication algebra, then their structures and properties are discussed. It is proved that the implication operation on this lattice implication algebra is determined by these prime dual ideals, and all of these prime dual ideals compose a lattice implication algebra which is lattice implication isomorphic to the former lattice implication algebra.

在格蕴涵代数中定义了一类特殊的素对偶理想,讨论了它们的结构和性质,证明了该格蕴涵代数中的蕴涵运算可以由这些特殊的素对偶理想所确定,并且这些特殊的素对偶理想全体自然地构成一个格蕴涵代数,它和原格蕴涵代数具有格蕴涵代数同构关系。

Explicitly, they are consist of three classes: If H is semisimple, then H k* for some finite group; If H is not semisimple and the characteristic of k is zero, then H is isomorphic the dual of the cross product between one so called Andruskiewitsch-Schneider algebra and a group algebra; If H is not semisimple and the characteristic of k is not zero, then H is isomorphic the dual of the cross product between one special algebra and a group algebra.

具体地讲,它们共分三类:①如果H是半单的,则H同构与一个群代数的对偶;②如果H是非半单的并且基础域的特征是0的话,则H同构一个所谓Andruskiewitsch-Schneider代数与一个群代数交差积的对偶;③如果H是非半单的并且基础域的特征不是0的话,则H同构于某个特定代数与一个群代数交差积的对偶。

This implies the existence of a polynomially bounded algorithm to find a shortest contractible cycle, a shortest separating cycle, and shortest cycle in an embedded graph in the projective plane and answers the open problems raised by Mohar and Thomassen in the case of projective plane embedded graph.

另一方面,通过定义嵌入图的几何对偶图及其相应的嵌入系统,得到几何对偶图中的可分离圈就对应于原图中的割;反之,若几何对偶图中的割在原图中对应于一个圈,那么该圈一定可分离。

Firstly, this paper definited pseudometric d for n -foldproduct of σ-algebra A of subsets of a given set X , and definited indicator function ; secondly, gave the concept of differentiable of set function at S° and concept of partial derivative at S° with respect to the ith argument Si through indicator function, and defound the weak efficient solution of and optimality necessary condition; Finally, obtained three weak duality results and strong duality results under generalized convexity conditions.

首先,对已知集X的子集的σ-代数A的n-折积A^n,定义了伪度量d,给出了相应的特征函数〈h,Is〉;其次,通过特征函数给出了集函数在S 可微的定义及集函数在S 关于第i个变量Si的偏导数定义;给出了多目标规划问题的弱有效解概念及的最优性必要条件;最后,分别在目标函数和约束函数的3种较弱凸性条件下,研究n-集函数多目标规划问题的对偶问题,获得了3个弱对偶结果和强对偶结果。

We introduce the notion of characteristic pairs and give the definition of dual characteristic pairs of Dirac structures on Lie bialgebroids. Using the dual characteristic pairs, we give the if and only if conditions for which a maximally isotropic subbundle of the double of a Lie bialgebroid is a Dirac structure.

本文在李双代数胚上,引入了Dirac结构的特征对并给出对偶特征对的概念,利用对偶特征对,给出李双代数胚double的极大迷向子丛是Dirac结构的充要条件;其次,分别利用特征对与对偶特征对,将可约Dirac结构分为第一类可约与第二类可约,在此基础上,建立Poisson流形的两类对应约化定理。

The TST was applied to multi-scaling vector to increase it's approximation order, and with PR condition, the dual of transformed multi-scaling vector was obtained. Then the special TST was taken for this dual, the dual of original multi-scaling vector with higher approximation order obtained, finally the multi-wavelet function with higher vanishing moment maybe constructed.

我们先对已知的尺度向量进行双尺度相似变换,以提高其逼近阶,再求出变换后的尺度向量的对偶,对这个对偶再进行特定的双尺度相似变换,就可得到原尺度向量的有高逼近阶的对偶,从而可能得到具有高阶消失矩的多小波函数。

Explicitly, they are consist of three classes: If H is semisimple, then H k* for some finite group; If H is not semisimple and the characteristic of k is zero, then H is isomorphic the dual of the cross product between one so called Andruskiewitsch-Schneider algebra and a group algebra; If H is not semisimple and the characteristic of k is not zero, then H is isomorphic the dual of the cross product between one special algebra and a group algebra.

具体地讲,它们共(来源:5fbfA02BC论文网www.abclunwen.com)分三类:①如果H是半单的,则H同构与一个群代数的对偶;②如果H是非半单的并且基础域的特征是0的话,则H同构一个所谓Andruskiewitsch-Schneider代数与一个群代数交差积的对偶;③如果H是非半单的并且基础域的特征不是0的话,则H同构于某个特定代数与一个群代数交差积的对偶。

Increase of the regularity of interpolating scaling functions efficiently improves the approximation power of systems, moreover, that of dual scaling functions markedly enhances the smoothness of duals and improves the frequency characteristics of analysis filters in passband and stopband.

内插尺度函数正则度的增加有效提高了系统的逼近能力,对偶正则度的提高显著增加了对偶尺度函数、对偶小波的光滑性,改善了分析滤波器组的通带、阻带特性。冗余度在一定意义下制约了小波系统的性能。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。