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Issue:
Human Face Feature Extraction and Recognition Algorithm Based on DDCT and TCSVD
Author(s):
XIE Yong-hua
,
LIU Chuan-cai
,
YANG Jing-yu
Pages:
4
-
6
Year:
2008
Issue:
9
Journal:
COMPUTER ENGINEERING
Keyword:
人脸分割
;
分块离散余弦变换
;
奇异值分解阈值压缩
;
特征提取
;
Abstract:
提出一种基于分块离散余弦变换(DCT)与奇异值分解阂值压缩(TCSVD)的人脸特征提取与识别算法.该算法对人脸图像进行分块DCT变换,根据图像块位置和能量分布选择不同的DCT高低频分量构建特征矩阵,通过对每个图像块的特征矩阵进行SVD阈值压缩和特征组合来构建人脸鉴别特征,并利用分类器进行特征分类与识别.AR人脸库上的实验结果验证了该算法的有效性.
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