将全变分正则化引入滤波反投影算法
医学物理
2017-11-15 v1 仪器与探测器
摘要
本文将最先进的滤波反投影（FBP）方法加以扩展，引入全变分正则化的概念。我们将新算法的性能与 FBP 图像重建中最常见的通过加窗函数进行正则化的形式进行比较。使用标准 Derenzo 型体模，以重建图像与放射性示踪剂真实分布之间的互相关系数为指标对方法进行了验证。我们证明，相对于标准 FBP 方法，所提方法可获得更高的互相关系数。
关键词
引用
@article{arxiv.1711.00365,
title = {Introduction of total variation regularization into filtered backprojection algorithm},
author = {L. Raczyński and W. Wiślicki and K. Klimaszewski and W. Krzemień and P. Kowalski and R. Shopa and P. Białas and C. Curceanu and E. Czerwiński and K. Dulski and A. Gajos and B. Głowacz and M. Gorgol and B. Hiesmayr and B. Jasińska and D. Kisielewska-Kamińska and G. Korcyl and T. Kozik and N. Krawczyk and E. Kubicz and M. Mohammed and M. Pawlik-Niedźwiecka and S. Niedźwiecki and M. Pałka and Z. Rudy and N. G. Sharma and S. Sharma and M. Silarski and M. Skurzok and A. Wieczorek and B. Zgardzińska and M. Zieliński and P. Moskal},
journal= {arXiv preprint arXiv:1711.00365},
year = {2017}
}
备注
Presented at the 2nd Jagiellonian Symposium on Fundamental and Applied Subatomic Physics, Krak\'ow, Poland, June 4-9, 2017. To be published in Acta Phys. Pol. B