| 手指静脉认证系统的算法研究 |
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| 引用本文： | 林春漪,周宇健,陈庆武. 手指静脉认证系统的算法研究[J]. 光电工程, 2011, 38(2): 90-96. DOI: 10.3969/j.issn.1003-501X.2011.02.015 |
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| 作者姓名： | 林春漪 周宇健 陈庆武 |
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| 作者单位： | 林春漪,周宇健,LIN Chun-yi,ZHOU Yu-jian(中山大学生物医学工程系,广州,510080);陈庆武,CHEN Qing-wu(广州市新偲通信息技术有限公司,广州,510060) |
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| 基金项目： | 国家自然科学基金资助项目，广东省自然科学基金资助项目 |
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| 摘 要： | 提出一整套手指静脉认证系统的图像处理和静脉模板匹配算法.算法采用Sobel算子结合首遇跟踪法检测手指边缘,然后采用最小均方误差原则拟合手指边缘并对图像进行旋转校正归一化;基于最大曲率模型的思想,采用四个方向梯度算子提取静脉;为降低拒真率和提高匹配速度,对静脉图像进行膨胀、三值化和两次压缩,建立包含静脉、背景和模糊区的紧...
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| 关 键 词： | 生物图像处理 指静脉识别 旋转校正 模板匹配 最大曲率模型 |
Algorithm Research of Finger Vein Authentication |
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| LIN Chun-yi,ZHOU Yu-jian,CHEN Qing-wu. Algorithm Research of Finger Vein Authentication[J]. Opto-Electronic Engineering, 2011, 38(2): 90-96. DOI: 10.3969/j.issn.1003-501X.2011.02.015 |
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| Authors: | LIN Chun-yi ZHOU Yu-jian CHEN Qing-wu |
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| Affiliation: | LIN Chun-yi1,ZHOU Yu-jian1,CHEN Qing-wu2(1.Department of Biomedical Engineering,Sun Yat-sen University,Guangzhou 510080,China,2.Guangzhou Xinsitong Information Technology Company,Guangzhou 510060,China) |
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| Abstract: | A full set of algorithms on image processing and recognition for finger vein authentication was proposed.A new image normalization algorithm was designed.During normalization,a Sobel operator incorporating the first meet tracing was used to detect finger edges,and then image correction with rotation was done after the finger edges were fitted under the least mean-square error principle.Based on maximum curvature models,finger vein was extracted by using four direction gradient operators.To decrease False Re... |
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| Keywords: | biology image processing finger vein recognition rotation correction pattern matching maximum curvature model |
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