CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
CT断层图像重建的新滤波函数
黄亚; 张祥志; 祝江威; 刘海岗; 邰仁忠
2012
Source Publication核电子学与探测技术
ISSN0258-0934
Issue12Pages:1388-1393
Abstract在X射线断层成像(XCT)技术中,卷积反投影(CBP)是CT断层图像重建中一种很重要的方法,滤波是卷积反投影方法的重要环节,而重建图像的质量和滤波函数的好坏直接相关。为了提高重建图像的质量,首次提出先加权平均后线性混合的方法,基于卷积反投影重建算法理论,设计一种新滤波函数。通过仿真实验计算和分析,给投影数据加入不同强度系数的高斯随机噪声,并分别用新滤波函数和传统滤波函数进行重建,发现新滤波函数对所重建图像的质量较传统滤波函数有明显的改善。
Indexed ByCNKI
Language中文
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12703
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
黄亚,张祥志,祝江威,等. CT断层图像重建的新滤波函数[J]. 核电子学与探测技术,2012(12):1388-1393.
APA 黄亚,张祥志,祝江威,刘海岗,&邰仁忠.(2012).CT断层图像重建的新滤波函数.核电子学与探测技术(12),1388-1393.
MLA 黄亚,et al."CT断层图像重建的新滤波函数".核电子学与探测技术 .12(2012):1388-1393.
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