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浙江大学学报(工学版)
J4  2011, Vol. 45 Issue (2): 253-258    DOI: 10.3785/j.issn.1008-973X.2011.02.010
计算机技术     
基于彩色图像的皮肤色素浓度提取算法
徐舒畅1, 张三元2, 张引2
1.杭州师范大学 信息科学与工程学院, 浙江 杭州 310036; 2.浙江大学 计算机学院,浙江 杭州 310027
Robust algorithm for extracting skin pigment concentration
from color image
Xu Shu-chang1, ZHANG San-yuan2, ZHANG Yin2
1.Department of Information Science & Engineering, Hangzhou Normal University, Hangzhou 310036, China;
2. Department of Computer Science, Zhejiang University, Hangzhou 310027, China
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摘要：

为了研究人体皮肤中最重要的2种色素:黑色素与血色素,提出一种基于光密度空间的图像通道差的算法,从单张彩色图像中自动提取黑色素与血色素的浓度分布.该算法以皮肤的结构和光学属性为理论基础,构建色素与图像的数学模型.整个算法先将输入图像分为若干个子区域.在每个子区域利用独立成份分析ICA技术计算分离向量,根据归纳的原则对分离向量进行合理性验证.将所有合理的分离向量重组,生成新的向量,从中找出偏差最小的作为最终的全局分离向量,并以此计算色素浓度分布图.结果表明,该算法获得了理想的效果,并具有很好的鲁棒性.
Abstract:

To investigate the two most important pigments of human, melanin and hemoglobin, an image-channel-difference of optical density space based algorithm was proposed for automatically extracting melanin and hemoglobin concentration distribution map from single color image. The algorithm built mathematic model between pigment and digital image based on theoretical foundation of skin structure and its optical property. The input image firstly was divided into several sub-regions. Independent component analysis (ICA) technology was performed in every sub-region to calculate Separation Vector, which is successively verified by specified rules. All the valid Separation Vectors were then re-combined to form new vectors, from which the final separation vector with minimal deviation is selected. The pigment concentration distribution maps were displayed after obtaining the final global separation vector. The experiments show the effectiveness and great robustness of the proposed algorithm.
出版日期: 2011-03-17
:  TP 391.4  
基金资助:

浙江省科技计划资助项目（2009C31034）;浙江省自然科学基金项目（Y1100557）;浙江省重大科技基金资助项目（2008C01048-2）.
通讯作者: 徐舒畅, 男,讲师.     E-mail: philous@163.com
作者简介: 徐舒畅(1979—),男,浙江兰溪人,讲师,从事模式识别、计算机图形图像处理的研究.E-mail:philous@163.com
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引用本文:

徐舒畅, 张三元, 张引. 基于彩色图像的皮肤色素浓度提取算法[J]. J4, 2011, 45(2): 253-258.

Xu Shu-chang, ZHANG San-yuan, ZHANG Yin. Robust algorithm for extracting skin pigment concentration
from color image. J4, 2011, 45(2): 253-258.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2011.02.010    或    http://www.zjujournals.com/eng/CN/Y2011/V45/I2/253

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