电脑开发与应用
電腦開髮與應用
전뇌개발여응용
COMPUTER DEVELOPMENT & APPLICATIONS
2014年
9期
70-72
,共3页
主成分分析%最小二乘法%支持向量机%人脸识别
主成分分析%最小二乘法%支持嚮量機%人臉識彆
주성분분석%최소이승법%지지향량궤%인검식별
PCA%least squares%SVM%face recognition
人脸识别是模式识别的一个重要分支,主要由特征提取和分类识别两个阶段决定,由于其小样本,高维数的特点,传统的分类器容易导致过学习问题,首先使用主成分分析法对人脸图像进行降维表示,然后将最小二乘支持向量机用于识别阶段,仿真实验显示的方法取得了较好的识别效果和识别效率。
人臉識彆是模式識彆的一箇重要分支,主要由特徵提取和分類識彆兩箇階段決定,由于其小樣本,高維數的特點,傳統的分類器容易導緻過學習問題,首先使用主成分分析法對人臉圖像進行降維錶示,然後將最小二乘支持嚮量機用于識彆階段,倣真實驗顯示的方法取得瞭較好的識彆效果和識彆效率。
인검식별시모식식별적일개중요분지,주요유특정제취화분류식별량개계단결정,유우기소양본,고유수적특점,전통적분류기용역도치과학습문제,수선사용주성분분석법대인검도상진행강유표시,연후장최소이승지지향량궤용우식별계단,방진실험현시적방법취득료교호적식별효과화식별효솔。
Face recognition is an important branch in pattern recognition , its effect is mainly decided by the two stages of feature extraction and classification method. Because of the small sample, high dimension, the traditional classifier can easily lead to overfitting problem,this paper uses principal component analysis to reduce the dimensionality of face image, then the least squares support vector machine is used for the recognition stage. The experimental results show that this method has good recognition effect and the recognition efficiency.