查询词典 simultaneous invariant

RAHD is invariant to translation,scale, and rotation and the retrieved shapes are very perceptually acceptable due to the capturing of shape features in both radial and angular directions in spatial domain.

虽然目前文献上有很多种图像形状描述子，但是可以归分为两大类：基于轮廓的形状描述子和基于区域的形状描述子。

This paper proposes a novel algorithm of Feature Match Based on Corner Affine Invariant. It selects corners as extracting feature of the image matching, and these corners are characterized by their orientation and angular width.

该方法是使用角作为图像匹配选取的特征，通过仿射不变处理来消除图像缩放、扭曲、旋转和平移产生的影响，实验表明，该算法具有良好的匹配性能，可以对差异较大的图像对进行特征匹配

People have proposed lots of feature extraction and classification algorithms and achieved great successful in the last few years, but there are also many disadvantages that restrict the applications to some extent. Rotation invariant and antinoise texture classification is a topic to be researched deeply.

近年来，人们提出了各种纹理分类算法，并取得了丰硕的成果，但是，目前大多数分类算法仍存在很多缺陷，在一定程度上制约了这些算法的应用，旋转不变和具有抗噪性的纹理分类更是有待深入研究的重要课题。

The question then arises: Can application programs and terminal activities remain invariant as indices come and go?

于是衍生问题：终端和应用程序可以保持不变，作为活动指数出没？

Secondly,we give a class of invariant differential operators forCartan domain R of dimension n:If the Bergman metric of R is?

其次，我们对维数为n 的Cartan 域R，给出了一类不变微分算子：若R 的Bergman 度量为ds~2=？

In theory, the proposed Blue-estimator is akin to the best invariant quadratic unbiased estimator.

理论上，本文所介绍的估计式(Blue-estimator)雷同於最佳不变二次无偏估计式。

Robust best invariant unbiased estimator, quadratical form, variance/covariance components

稳健最优不变二次无偏估计，二次型，方差和协方差分量

In this paper, three robust estimators: robust best invariant quadratic unbiased estimator, robust minimum norm quadratic unbiased estimator and robust Helmert estimator have been designed. Finally, this paper states that these three classical estimators are particular cases of the RBIQUE.

导出了稳健最优不变二次无偏估计、稳健最小范数二次无偏估计、稳健Helmert估计，并说明了最优不变二次无偏估计、最小范数二次无偏估计以及Helmert估计等均是稳健最优不变二次无偏估计的特例。

We have classified all types of the solvable Lie algebras with nondegenerate invariant bilinear form.

我们给出了带有非退化不变对称双线性型的可解李代数的完全分类。

All real simple Malcev algebra,are classified according to whether or not they have a compatible complex structure and simultaneously we give all the invariant bilinear forms by the killing form of the real simple Malcev algebra or the killing form of it s complexification .

研究实单Malcev代数上的不变双线性型，仿照李代数的情形给出实Malcev代数上的容许复结构、实Malcev代数的复化以及Malcev代数上的不变双线性型等概念，并通过对实单Malcev代数上容许复结构的讨论，将实单Malcev代数上的不变双线性型分为两种情形。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。