基于基元模式信息统计的虹膜卷缩轮提取
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摘要
人眼虹膜表面纹理特征变化能够体现身体健康状况,为了利用虹膜卷缩轮的变化间接反映人体肠部功能,提出一种基于模糊纹理统计的虹膜卷缩轮提取算法.首先利用纹理基元统计出纹理变化规律;然后定义边界模式与非边界模式,在窗口内统计这2种模式出现的频数;最后通过频数的变化规律找出包含卷缩轮的窗口,以此提取卷缩轮.实验结果表明,该算法可以有效地提取具有模糊纹理的虹膜卷缩轮,为基于虹膜的计算机辅助诊断提供有利的依据.
Change of human iris texture may reflect the physical conditions.Iris collarette change indirectly reflects the human bowel function.This paper presents a novel approach to analyze the collarette information based on fuzzy textures and statistics,using texture primitive to count rhythmicity of texture variation,then counting the frequency modes in the windows by defining the boundary and non-boundary mode,and finally identifying the specified window which contains the collarette round to extract collarette by frequency variation.Experimental results indicate that extraction with fuzzy textures which can effectively turn the iris collarette,provide a favorable basis for iris-based computer-aided diagnosis.
Change of human iris texture may reflect the physical conditions.Iris collarette change indirectly reflects the human bowel function.This paper presents a novel approach to analyze the collarette information based on fuzzy textures and statistics,using texture primitive to count rhythmicity of texture variation,then counting the frequency modes in the windows by defining the boundary and non-boundary mode,and finally identifying the specified window which contains the collarette round to extract collarette by frequency variation.Experimental results indicate that extraction with fuzzy textures which can effectively turn the iris collarette,provide a favorable basis for iris-based computer-aided diagnosis.
引文
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[10]Yuan Weiqi,Zhang Kaiying,Yang Ranran,et al.Iris recognition algorithm based on extracting stable feature points of sequence images[J].Chinese Journal of Scientific Instrument,2011,32(5):1069-1076(in Chinese)(苑玮琦,张开营,杨冉冉,等.基于序列图像提取稳定特征点的虹膜识别算法[J].仪器仪表学报,2011,32(5):1069-1076)
[11]Sang Haifeng,Ma Shimeng,Huang Jing.Touch-less low resolution palmprint recognition under open environment[J].Chinese Journal of Scientific Instrument,2013,34(8):1802-1808(in Chinese)(桑海峰,马诗朦,黄静.开放式环境非接触低分辨率采集下的掌纹识别[J].仪器仪表学报,2013,34(8):1802-1808)
[2]Wang Ling.Known health by iris observation:illustration of holographic iridology[M].Shenyang:Liaoning Science and Technology Publishing House,2010(in Chinese)(王龄.观虹膜知健康:虹膜全息诊断图谱[M].沈阳:辽宁科学技术出版社,2010)
[3]Jiang Fan,Jiang Ning.Interpretation of the iris visible subhealth[M].Beijing:China Citic Press,2010(in Chinese)(江帆,江宁.解读虹膜——看得见的亚健康[M].北京:中信出版社,2010)
[4]Li Fengming.System of ophthalmology[M].Beijing:People's Medical Publishing House,1996(in Chinese)(李凤鸣.眼科全书[M].北京:人民卫生出版社,1996)
[5]Colton J,Colton S.Iridology:health analysis and treatments from the iris of the eye[M].Shaftesburg:Element Books,Incorporated,1996
[6]Xin Guodong,Wang Wei.Study on collarette extraction[J].Computer Engineering and Design,2008,29(9):2290-2292(in Chinese)(辛国栋,王巍.虹膜卷缩轮提取方法研究[J].计算机工程与设计,2008,29(9):2290-2292)
[7]Ma Lin,Wang Kuanquan,Han Yunxin,et al.Study on computational system of diagnosis[C]//Proceedings of the7th Conference on Four Diagnostic Methods Based on Integrative of Chinese and Modern Medicine.Beijing:Chinese Association of Integrative Medicine,2004:121-124(in Chinese)(马琳,王宽全,韩蕴新,等.计算机自动虹膜诊病系统研究[C]//第七次全国中西医结合四诊研究学术会议论文汇编.北京:中国中西医结合学会,2004:121-124)
[8]Yu Li,Wang Kuanquan,Li Naimin,et al.Texture feature extraction for iris diagnosis[C]//Proceedings of Computer Application and Study in Diagnosis.Beijing:Chinese Association of Integrative Medicine,2005:110-114(in Chinese)(于力,王宽全,李乃民,等.虹膜诊断中的纹理结构特征提取研究[C]//计算机在诊法中的应用与研究论文汇编.北京:中国中西医结合学会,2005:110-114)
[9]Yu L,Wang K Q,Zhang D.Extracting the autonomic nerve wreath of iris based on an improved snake approach[J].Neurocomputing,2007,70(4-6):743-748
[10]Yuan Weiqi,Zhang Kaiying,Yang Ranran,et al.Iris recognition algorithm based on extracting stable feature points of sequence images[J].Chinese Journal of Scientific Instrument,2011,32(5):1069-1076(in Chinese)(苑玮琦,张开营,杨冉冉,等.基于序列图像提取稳定特征点的虹膜识别算法[J].仪器仪表学报,2011,32(5):1069-1076)
[11]Sang Haifeng,Ma Shimeng,Huang Jing.Touch-less low resolution palmprint recognition under open environment[J].Chinese Journal of Scientific Instrument,2013,34(8):1802-1808(in Chinese)(桑海峰,马诗朦,黄静.开放式环境非接触低分辨率采集下的掌纹识别[J].仪器仪表学报,2013,34(8):1802-1808)