Mar, 2017
PWLS-ULTRA:低剂量 3D CT 图像重建的高效聚类和学习方法
PWLS-ULTRA: An Efficient Clustering and Learning-Based Approach for Low-Dose 3D CT Image Reconstruction
Xuehang Zheng, Saiprasad Ravishankar, Yong Long, Jeffrey A. Fessler
TL;DR本文提出了一种基于 Union of Learned TRAnsforms 的惩罚加权最小二乘(PWLS)重建方法,可以提高低剂量计算机断层扫描图像的质量,同时减少患者的辐射剂量。