feature extraction methods的意思|示意

Classical feature extraction methods include: Principle Component Analysis, Singular Value Decomposition, Projection Pursuit, Self-Organizing Map, and so on.

传统的特征提取方法主要有：主分量分析、奇异值分解、投影追踪、自组织映射等。

This paper was a review of the methods of feature extraction and feature selection for spam image identification.

对垃圾图像判别问题中的特征提取和特征选择研究现状进行了总结。

Recently, many methods of linear feature extraction were proposed.

近年来，人们已经提出许多种线特征提取的方法。

The key algorithms of facial expression recognition are studied in this paper and we focus our attention on the research of methods for feature extraction.

本文在研究表情识别关键算法的基础上，将重点放在特征提取方法的研究。

Compared to other methods, the feature extraction of a truncation set needs fewer samples and has higher recognition rate, which plays an important role in radar clutter recognition.

截集特征提取雷达杂波识别方法所需样本数目少，识别率高，在雷达杂波识别领域具有重要应用。

Other preprocessing methods such as discrete curvature estimation and feature point extraction are also studied, and a section-feature recognition algorithm, based on curve fitting, is proposed.

研究了用圆弧曲率估算截面数据离散曲率的方法和特征点提取方法，提出了基于曲线拟合的截面特征识别方法。