Automatic edge-based localization of facial features from images with complex facial expressions

被引：7

作者：

Gizatdinova, Yulia ^{[1
]}

Surakka, Veikko ^{[1
]}

机构：

[1] Univ Tampere, Res Grp Emot Social & Comp, Dept Comp Sci, Tampere 33014, Finland

来源：

PATTERN RECOGNITION LETTERS | 2010年 / 31卷 / 15期

关键词：

Facial feature localization; Local oriented edge; Edge histogram; Localization error; Accuracy evaluation metrics; Expression; FACE DETECTION; TRACKING;

D O I：

10.1016/j.patrec.2010.07.020

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Automatic localization of facial features is an essential step for many systems of face recognition, facial expression classification and intelligent vision-based human-computer interfaces. In this paper, we present automatic edge-based method of locating regions of prominent facial features from up-right facial images. The proposed localization scheme was tested on several public databases of complex facial expressions. The method demonstrated high localization rates when localization accuracy was evaluated by both a conventional point error measure and a new rectangular error measure that takes into account the location of the feature in the image and the true feature size. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：2436 / 2446

页数：11

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