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요약정보
基于肤色学习的多人脸前景抽取方法 / Multi-face foreground extraction method based on skin color learning
Resource Type
Academic Journal
Authors
戴嫣然
;
戴国庆
;
袁玉波
;
DAI Yanran
;
DAI Guoqing
;
YUAN Yubo
Source
计算机应用 / Journal of Computer Applications
. 41(6):1659-1666
Subject
人脸前景
肤色学习
聚类分析
人脸范围
遗传机制
Language
Chinese
ISSN
1001-9081
Online Access
Find it @ DONGA
초록
针对多人脸场景下快速准确提取人脸内容的问题,提出了基于肤色学习的多人脸前景抽取方法.首先,给出了基于肤色学习的肤色前景分割模型.根据肤色专家的论文结果,采集了著名的SPA数据库的1200张人脸进行肤色抽样,建立学习模型以得到每个人种在颜色空间的肤色参数,据此进行肤色图像分割,得到肤色前景.其次,利用人脸特征点学习算法,以常见人脸68个特征点为目标,结合肤色前景信息分割出人脸种子区域;并计算人脸中心点,来构建人脸椭圆边界模型以及确定遗传范围.最后,建立了有效抽取算法,在人脸椭圆边界内利用遗传机制进行人脸再生,从而抽取得到有效人脸区域.以三类不同数据库为基础,收集了100张有代表性的多人脸图像,实验结果表明所提方法对这些图像的多人脸抽取的结果准确率达到98.4%以上,且该方法对中密度人群的人脸内容抽取有显著效果,并为人脸识别算法的准确性和可用性提供了基础.
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