Tomographic image reconstruction via estimation of sparse unidirectional gradients
Since computed tomography (CT) was developed over 35 years ago, new mathematical
ideas and computational algorithms have been continuingly elaborated to improve the …
ideas and computational algorithms have been continuingly elaborated to improve the …
Investigation of maximum a posteriori probability expectation-maximization for image-based weighting spectral X-ray CT image reconstruction
Z Zhou, R Xin, S Guan, J Li, J Tu - Journal of X-Ray Science …, 2018 - content.iospress.com
Abstract Development of spectral X-ray computer tomography (CT) equipped with photon
counting detector has been recently attracting great research interest. This work aims to …
counting detector has been recently attracting great research interest. This work aims to …
[PDF][PDF] Improved metal artifact reduction via image quality metric optimization
M Manhart, M Psychogios, N Amelung… - … meeting on fully …, 2017 - onlinelibrary.fully3d.org
Cone-beam CT images acquired with C-arm systems are frequently disturbed by metal
artifacts. Recently, correction algorithms based on the normalized metal artifact reduction …
artifacts. Recently, correction algorithms based on the normalized metal artifact reduction …
定步长压缩感知锥束CT 重建算法
张晓梦， 杨宏成， 张涛 - 计算机应用, 2014 - joca.cn
针对锥束CT 成像系统中投影数据不完全的图像重建问题, 提出了一种定步长压缩感知锥束CT
重建算法. 首先将锥束CT 重建问题归结为投影数据均方误差作为数据保真项 …
重建算法. 首先将锥束CT 重建问题归结为投影数据均方误差作为数据保真项 …
Multiband signal reconstruction for random equivalent sampling
YJ Zhao, CJ Liu - Review of Scientific Instruments, 2014 - pubs.aip.org
The random equivalent sampling (RES) is a sampling approach that can be applied to
capture high speed repetitive signals with a sampling rate that is much lower than the …
capture high speed repetitive signals with a sampling rate that is much lower than the …
FBP initialized few-view CT reconstruction algorithm using similar prior image constraint
Few-view CT reconstruction attracts wide attention in the purpose of radiation dose
reduction. For analytical algorithm filtered back projection (FBP), the reconstructed image …
reduction. For analytical algorithm filtered back projection (FBP), the reconstructed image …
Make the Most of Time Temporal Extension of the iTV Algorithm for 4D Cardiac C-Arm CT
Gated 4D cardiac imaging with C-arm CT scanners suffers from insufficient image quality
due to strong angular undersampling. To deal with this problem, we suggest an iterative …
due to strong angular undersampling. To deal with this problem, we suggest an iterative …
Fast non-uniform Fourier transform based regularization for sparse-view large-size CT reconstruction
Z Wang - STEM Education, 2022 - aimsciences.org
Spare-view CT imaging is advantageous to decrease the radiation exposure, acquisition
time and computational cost, but suffers from severe streak noise in reconstruction if the …
time and computational cost, but suffers from severe streak noise in reconstruction if the …