...特征降维；散度差；KNN分类器 [gap=917]Key words:text classification;feature selection;feature extraction;feature reduction;scatter difference;KNN classifier ..
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non-linear feature reduction 非线性特征降维
feature dimension reduction 特征降维
noise reduction feature 减弱噪音的装置
feature vectors reduction 特征向量简化
feature template reduction 特征模板约简
feature extraction and reduction 特征提取与约简
Feature reduction can generally fall into feature extraction or feature selection.
特征约简可通过特征提取或特征选择实现。
参考来源 - 高光谱遥感数据特征约简技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Therefore, it is necessary to perform feature reduction for every decision of the shot boundary.
因此，有必要对每一个镜头检测决策进行特征约简。
Therefore, it is necessary to perform feature reduction for the decision rules of shot boundary.
因此，有必要对镜头边界检测的规则进行特征约简。
A neural network numeral recognition method based on feature extraction and rough set feature reduction is proposed for numeral recognition of non-pointer instrument dial.
针对无指针式仪表表盘的数字识别问题，提出了一种基于特征提取和粗糙集特征约简的神经网络数字识别方法。
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