4.2 PCA 算法的功能实现 .............................................................................................17
4.2.1 人脸空间的建立 ..........................................................................................17
4.2.2 特征向量的选取 ........................................................................................17
4.2.3 人脸识别 ......................................................................................................17
4.3 主成分分析法的计算 ..............................................................................................18
4.4 特征脸算法..............................................................................................................20
第 5 章 图像的特征提取与分析 ..........................................................................................22
5.1 概述..........................................................................................................................22
5.1.1 特征提取 ......................................................................................................22
5.1.2 特征选择 ......................................................................................................22
5.2 颜色视觉和色度图 ..................................................................................................22
5.3 颜色模型..................................................................................................................23
5.3.1 RGB 模型 .......................................................................................................23
5.3.2 CMY 模型 .......................................................................................................24
5.3.3 HSI 模型 .......................................................................................................25
5.4 形状特征描述..........................................................................................................25
5.4.1 像素的邻域 ..................................................................................................25
5.4.2 像素的连接 ..................................................................................................25
5.4.3 区域内部的空间域分析 ..............................................................................26
5.5 图形的预处理..........................................................................................................27
5.5.1 膨胀与腐蚀 ..................................................................................................27
5.5.2 骨架化和边缘检测 ......................................................................................27
第 6 章 人脸识别..................................................................................................................30
6.1 人脸库的建立..........................................................................................................29
6.2 采集人脸特征的多元信息 ......................................................................................30
6.3 人脸的识别..............................................................................................................31
6.4 人脸识别的总结 ......................................................................................................33
