[1]唐超颖.一种基于近红外-可见光映射的快捷静脉提取算法[J].东南大学学报(自然科学版),2016,46(1):35-41.[doi:10.3969/j.issn.1001-0505.2016.01.007]
 Tang Chaoying.A fast vein detection algorithm based on near infrared-visible light mapping[J].Journal of Southeast University (Natural Science Edition),2016,46(1):35-41.[doi:10.3969/j.issn.1001-0505.2016.01.007]
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一种基于近红外-可见光映射的快捷静脉提取算法()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
46
期数:
2016年第1期
页码:
35-41
栏目:
计算机科学与工程
出版日期:
2016-01-20

文章信息/Info

Title:
A fast vein detection algorithm based on near infrared-visible light mapping
作者:
唐超颖
南京航空航天大学自动化学院, 南京 210016
Author(s):
Tang Chaoying
College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
关键词:
静脉提取 可见光图像 近红外图像 神经网络 Gabor滤波器
Keywords:
vein detection visible image near infrared image neural network Gabor filter
分类号:
TP391.41
DOI:
10.3969/j.issn.1001-0505.2016.01.007
摘要:
针对可见光图像开发了一种快捷的静脉提取算法.采用可见光-近红外同步相机拍摄一组皮肤图像,利用限制对比度自适应直方图均衡化方法调整近红外图像的对比度.采用Gabor滤波器自动提取其中的静脉信息,在此基础上获取可见光-近红外图像中静脉及普通皮肤的对应像素值.以此作为样本,训练一个三层前向神经网络,模拟可见光到近红外像素值的映射关系,实现对可见光图像中静脉的提取.针对入射光强度变化对可见光图像中像素值的影响,提出一种图像亮度自适应调节算法.实验结果表明,该方法对于不同条件下拍摄的图像具有良好的鲁棒性,对于不同时间拍摄的图像也具有较好的稳定性.运算过程简单快捷,有助于开发应用于医疗的低成本便携式静脉显像仪.
Abstract:
A fast vein detection algorithm is proposed for visible images. Pairs of skin images are captured by using a visible-near infrared(NIR)synchronized camera. The contrast of the NIR images is adjusted by the contrast limited adaptive histogram equalization method. Gabor filters are adopted to automatically detect veins information. Based on it, the corresponding pixel values of veins and general skin are exacted from the visible-NIR images and used as samples to train a three-layered feed-forward neural network, which approximates the mapping from RGB(red, green and blue)values to NIR intensities. Veins can be observed from the mapped images. To eliminate the influence of illumination variations on pixel values in visible images, an image intensity adjustment algorithm is proposed. The experimental results show that the proposed algorithm is robust to images taken from different people under different illumination and camera conditions. It also has a stable performance on images taken at different times. The computation is simple and fast, and it is helpful to develop low-cost portable vein imaging device for medical treatment.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2015-07-15.
作者简介: 唐超颖(1979—),女,博士,讲师,cytang@nuaa.edu.cn.
基金项目: 国家自然科学基金资助项目(61403196)、教育部博士点基金资助项目(20133218120018)、江苏省自然科学基金资助项目(BK20140837).
引用本文: 唐超颖.一种基于近红外-可见光映射的快捷静脉提取算法[J].东南大学学报(自然科学版),2016,46(1):35-41. DOI:10.3969/j.issn.1001-0505.2016.01.007.
更新日期/Last Update: 2016-01-20