[1]王文颖,尹清波,鲁明羽.基于方向滤波器组的造影图像血管增强方法[J].智能系统学报编辑部,2016,11(1):111-116.[doi:10.11992/tis.201507024]
WANG Wenying,YIN Qingbo,LU Mingyu.Enhancement method for angiogram blood vessel imagesbased on directional filter banks[J].CAAI Transactions on Intelligent Systems,2016,11(1):111-116.[doi:10.11992/tis.201507024]
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WANG Wenying,YIN Qingbo,LU Mingyu.Enhancement method for angiogram blood vessel imagesbased on directional filter banks[J].CAAI Transactions on Intelligent Systems,2016,11(1):111-116.[doi:10.11992/tis.201507024]
基于方向滤波器组的造影图像血管增强方法
《智能系统学报》编辑部[ISSN 1673-4785/CN 23-1538/TP] 卷:
11
期数:
2016年第1期
页码:
111-116
栏目:
学术论文—机器感知与模式识别
出版日期:
2016-02-25
- Title:
- Enhancement method for angiogram blood vessel imagesbased on directional filter banks
- Keywords:
- coronary angiography; enhanced images; vessel enhancement; directional filter bank; directional gradient; Hessian matrix
- 分类号:
- TP391.41
- 摘要:
- 为了便于医生观察冠脉造影图像,更准确地分析患者生病情况,根据冠脉造影图像中血管存在方向性的特点,提出了一种基于方向指数加权的无抽样方向滤波器组的图像合成方法。该方法首先通过使用无抽样方向滤波器组对血管图像进行方向分解,然后对方向图像分别进行基于Hessian矩阵的图像增强,最后将增强后的各方向图像结合生成增强图像。与传统的直接加和方向合成方法相比,改进的重构方法能够更充分地利用血管方向性的特点,增强主方向权重。实验结果表明,与传统的血管增强方法相比,该方法能够得到更为完整的血管树,取得了更好的增强效果。
- Abstract:
- To facilitate the examination of coronary angiogram images and to more accurately analyze patient illnesses with respect to the directivity characteristics of blood vessels in these images, this study proposes a novel image synthesis method for filters with no sampling direction based on directional exponent weighting. The proposed approach incorporates the presentation of line-like directional features in an image extracted by filters with no sampling direction. To achieve coronary angiogram image enhancement, we first use no-sampling-direction filters to decompose the angiogram image into several directions, then we employ the Hessain matrix method for each directional image to enhance the image. Finally, all enhanced directional images are combined to generate the enhanced image. Compared with the traditional synthesis achieved by simply summing directional images, the proposed new synthesis method that is based on the weight of every direction makes better use of the directional feature of blood vessels and enhances the weight of the main direction. Experimental results show that a more complete blood vessel tree can be acquired and a better enhancement effect can be achieved by the proposed method when compared with conventional blood vessel enhancement method.
- 参考文献/References:
-
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备注/Memo
收稿日期:2015-07-23;改回日期:。
基金项目:国家自然科学基金资助项目(61272369,61175053,61300082,61370070);中央高校基本科研业务费项目专项资金资助项目(3132014325,3132013335);中央高校基本科研业务费青年骨干基金资助项目(3132014093,3132014091).
作者简介:王文颖,女,1990年生,硕士研究生,主要研究方向为图像处理;尹清波,男,1975年生,副教授,博士,主要研究方向为信号与图像处理,已发表论文40余篇,其中SCI检索9篇、EI检索20余篇,出版专著1部,获国家发明专利授权5项;鲁明羽,男,1963年生,教授,博士,主要研究方向为机器学习、数据挖掘、数据库与决策支持系统等。发表学术论文120余篇,其中被SCI、EI检索80余篇,参与编写、翻译教材和专著6部。
通讯作者:鲁明羽.E-mail:lumingyu@dlmu.edu.cn.
更新日期/Last Update:
1900-01-01