Orientation analysis for rotated human face detection

被引：15

作者：

Zhou, J

Lu, XG

Zhang, D ^{[1
]}

Wu, CY

机构：

[1] Hong Kong Polytech Univ, Biometr Technol Ctr, Dept Comp, Hung Hum Kowloon, Hong Kong, Peoples R China

[2] Tsinghua Univ, Dept Automat, Beijing 100084, Peoples R China

来源：

IMAGE AND VISION COMPUTING | 2002年 / 20卷 / 04期

基金：

中国国家自然科学基金;

关键词：

pattern recognition; orientation analysis; human face detection; orientation histogram;

D O I：

10.1016/S0262-8856(02)00018-5

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

In this paper, we present a framework of orientation analysis for rotated human face detection. A novel orientation histogram is constructed for statistical analysis of face images, which can show a proper symmetry with respect to the orientation of the principal axis and a local peak at its orthogonal orientation. By analyzing the orientation histogram, we can easily find the principal axis' orientation of the rotated face. Then an upright frontal face detector based on orientation analysis and other knowledge is designed to verify the given face. The experimental results illustrate the effectiveness of our framework. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：257 / 264

页数：8

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