This paper firstly study the background of face automatic recognition system and methods of face recognition, secondly bring forward a method of face recognition based on wavelet transform, principal component analysis and artificial neural network.
本文首先研究了人脸自动识别技术的历史与现状及人脸识别的主要方法，然后提出了一种基于小波变换、主成份分析和人工神经网络的人脸识别方法。
参考来源 - 人脸自动识别系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
用主成份分析法和聚类技术提炼这些运动学片段的特征。
Principal component analysis and cluster analysis are performed to refine the features of these sequences.
本文运用主成份法对115个强地震运动资料进行了分析。
In this paper, using principal component method 115 strong-motion earthquake records are analysed.
由相关系数和主成份分析，选择铁和铝作为沉积物中痕量金属浓度的均一化元素。
Based on correlation coefficients and principal component analysis, fe and al were selected as the concentration normalizer for the different trace metals.
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