[HTML][HTML] The evolution of image reconstruction for CT—from filtered back projection to artificial intelligence

MJ Willemink, PB Noël - European radiology, 2019 - Springer
The first CT scanners in the early 1970s already used iterative reconstruction algorithms;
however, lack of computational power prevented their clinical use. In fact, it took until 2009 …

A review of GPU-based medical image reconstruction

P Després, X Jia - Physica Medica, 2017 - Elsevier
Tomographic image reconstruction is a computationally demanding task, even more so
when advanced models are used to describe a more complete and accurate picture of the …

Domain progressive 3D residual convolution network to improve low-dose CT imaging

X Yin, Q Zhao, J Liu, W Yang, J Yang… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
The wide applications of X-ray computed tomography (CT) bring low-dose CT (LDCT) into a
clinical prerequisite, but reducing the radiation exposure in CT often leads to significantly …

Discriminative feature representation to improve projection data inconsistency for low dose CT imaging

J Liu, J Ma, Y Zhang, Y Chen, J Yang… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
In low dose computed tomography (LDCT) imaging, the data inconsistency of measured
noisy projections can significantly deteriorate reconstruction images. To deal with this …

Self-supervised dynamic CT perfusion image denoising with deep neural networks

D Wu, H Ren, Q Li - IEEE Transactions on Radiation and …, 2020 - ieeexplore.ieee.org
Dynamic computed tomography perfusion (CTP) imaging is a promising approach for acute
ischemic stroke diagnosis and evaluation. Hemodynamic parametric maps of cerebral …

Image quality and dose characteristics for an O‐arm intraoperative imaging system with model‐based image reconstruction

A Uneri, X Zhang, T Yi, JW Stayman, PA Helm… - Medical …, 2018 - Wiley Online Library
Purpose To assess the imaging performance and radiation dose characteristics of the O‐
arm CBCT imaging system (Medtronic Inc., Littleton MA) and demonstrate the potential for …

Regularization analysis and design for prior-image-based X-ray CT reconstruction

H Zhang, GJ Gang, H Dang… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Prior-image-based reconstruction (PIBR) methods have demonstrated great potential for
radiation dose reduction in computed tomography applications. PIBR methods take …

Assessment of prior image induced nonlocal means regularization for low‐dose CT reconstruction: change in anatomy

H Zhang, J Ma, J Wang, W Moore, Z Liang - Medical physics, 2017 - Wiley Online Library
Purpose Repeated computed tomography (CT) scans are prescribed for some clinical
applications such as lung nodule surveillance. Several studies have demonstrated that …

Low-dose CT reconstruction method based on prior information of normal-dose image

Z Chen, Q Zhang, C Zhou, M Zhang… - Journal of X-ray …, 2020 - content.iospress.com
BACKGROUND: Radiation risk from computed tomography (CT) is always an issue for
patients, especially those in clinical conditions in which repeated CT scanning is required …

Low-dose CT perfusion of the liver using reconstruction of difference

S Seyyedi, E Liapi, T Lasser, R Ivkov… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Liver CT perfusion (CTP) is used in the detection, staging, and treatment response analysis
of hepatic diseases. Unfortunately, CTP radiation exposures are significant, limiting more …