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基于HOG/PCA/SVM的跨年龄人脸识别算法
引用本文:彭思江,戴厚平,周成富,刘倩.基于HOG/PCA/SVM的跨年龄人脸识别算法[J].吉首大学学报(自然科学版),2018,39(5):24.
作者姓名:彭思江  戴厚平  周成富  刘倩
作者单位:(吉首大学数学与统计学院,湖南 吉首 416000)
基金项目:湖南省大学生研究性学习和创新性实验计划项目(湘教通〔2016〕283号)
摘    要:为了实现跨年龄的人脸识别,通过梯度幅值和梯度方向这2个重要的图像特征测量图像相似度,建立了一种方向梯度直方图 (HOG)、主成分分析 (PCA)和支持向量机(SVM)相结合的人脸识别算法.首先对从FG-NET数据库中选取的人脸图像作预处理,然后用HOG算法提取特征值,用PCA方法降维特征值,最后将样本输入到SVM中进行训练,人脸识别匹配度最高可达90.91%.实验结果验证了算法的有效性.


Cross-Age Face Recognition Based on HOG/PCA/SVM
PENG Sijiang,DAI Houping,ZHOU Chengfu,LIU Qian.Cross-Age Face Recognition Based on HOG/PCA/SVM[J].Journal of Jishou University(Natural Science Edition),2018,39(5):24.
Authors:PENG Sijiang  DAI Houping  ZHOU Chengfu  LIU Qian
Institution:(College of Mathematics and Statistics,Jishou University,Jishou 416000,Hunan China)
Abstract:To realize face recognition of different age groups,gradient magnitude and gradient direction are used to measure the image similarity.Firstly,face images from database FG-NET are preprocessed.The HOG algorithm is used to extract the feature values,and then the PCA method is used to reduce the feature values.Finally,the samples are input into the SVM for training,and the face recognition is matched.The matching degree is up to 90.91%.The experimental results verify the effectiveness of the algorithm.
Keywords:face recognition                                                                                                                        image preprocessing                                                                                                                        histogram of oriented gradient                                                                                                                        principal component analysis                                                                                                                        support vector machine
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