This paper focuses on the principal problems in symmetry detection such as the selection of the symmetric points in image and the location of reflectional symmetry axes and deeply research in them.

本论文针对视觉描述中的对称性特征检测的重要问题：图像中的具有对称性特征的点集提取，镜像对称图像的对称轴的定位等问题进行了深入研究。

youdao

In this paper we prove a theorem for the critical points of symmetric functionals through which we research the multiple solutions of nonlinear elliptic PDE.

本文证明了关于对称泛函临界点的一个定理并用以研究非线性椭园型偏微分方程的多重解。

youdao

From the theory and examples, the article points out why in the symmetric block the calculation of the double integral is easy to go wrong and offers some methods to avoid errors.

从理论和实例两个方面，指出了对称区域上二重积分计算中易出现问题的原因，并给出了避免错误的方法。

youdao