图形分类 meaning in English
pattern classification
Examples
- Superclass provides abstract encapsulation for categories of 2d graphs
超类提供2d图形分类的抽象封装。 - By graphics icon category
图形分类索引。 - In section 4 . 2 we analyze its main idea and algorithm in detail , two relevant theorems included ; section 4 . 3 provides plenty instances so to explain its nonlinear dimension reduction ability , section 4 . 4 propose a combined method that integrates the advantage of various methods . in section 4 . 5 we analyze some significant problems in lle , including the locality of manifold representation , the choice of the neighborhood , the intrinsic dimension estimation and the parametric representation of mapping . in section 4 . 6 we design an algorithm for estimating the intrinsic dimension in the base of locally linear approximation and discuss the choice of its parameters
第四章是本文的重点内容，研究一种全新的非线性降维方法? ?局部线性嵌入方法，对它的思想和算法进行了详细的分析，给出算法两个相关定理的证明；第三节对比主成分分析，通过实例说明局部线性嵌入方法的非线性降维特征；第四节在此基础上提出了旨在结合两者优势的组合降维方法；第五节提出了局部线性嵌入方法中存在的若干关键性问题，包括流形的局部性、邻点的选择、本征维数的估计和降维映射的表示，第六节基于局部线性近似的思想提出了一种本征维数的估计方法，设计了实用算法，结合实例对算法中参数的选取进行了讨论；最后一节提出了一种基于局部线性重构的图形分类和识别方法，将其应用于手写体数字的图像分类识别实验，实验得到的分类准确率达96 . 67 。