Facial Feature Localization Algorithm Based on A Modified Active Shape Model

被引：0
|
作者：
Wang, Min [1 ]
Wen, Yi-ling [1 ]
Sun, Wei-ping [1 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Informat & Control Engn, Xian, Shannxi Provinc, Peoples R China
来源：
2ND INTERNATIONAL SYMPOSIUM ON COMPUTER NETWORK AND MULTIMEDIA TECHNOLOGY (CNMT 2010), VOLS 1 AND 2 | 2010年
关键词：
ASM; feature points; texture feature; multi-resolution; TRACKING;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A modified active shape model is proposed after deeply researching the original algorithm. The proposed algorithm includes the following four aspects. Firstly, edge information is strengthened before being marked in training images. Secondly, this paper proposes to extract 2D gradient feature on the highest level and the higher level of multi-resolution pyramid images, and use Gabor wavelet transformation to extract the lowest level's 2D texture feature. Thirdly, pyramid images are got by wavelet transformation. Finally, the length of 2D profile searching rectangle is changed according to different pyramid levels. Experimental results show great performance improvements both in localization accuracy and in computational speed are made by the proposed algorithm.
引用
收藏
页码：93 / 96
页数：4
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