Applications of nonlocal means algorithm in low‐dose X‐ray CT image processing and reconstruction: a review

H Zhang, D Zeng, H Zhang, J Wang, Z Liang… - Medical …, 2017 - Wiley Online Library
Low‐dose X‐ray computed tomography (LDCT) imaging is highly recommended for use in
the clinic because of growing concerns over excessive radiation exposure. However, the CT …

Sharpness-aware low-dose CT denoising using conditional generative adversarial network

X Yi, P Babyn - Journal of digital imaging, 2018 - Springer
Low-dose computed tomography (LDCT) has offered tremendous benefits in radiation-
restricted applications, but the quantum noise as resulted by the insufficient number of …

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 …

Low-dose CT denoising via sinogram inner-structure transformer

L Yang, Z Li, R Ge, J Zhao, H Si… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Low-Dose Computed Tomography (LDCT) technique, which reduces the radiation harm to
human bodies, is now attracting increasing interest in the medical imaging field. As the …

Deep iterative reconstruction estimation (DIRE): approximate iterative reconstruction estimation for low dose CT imaging

J Liu, Y Zhang, Q Zhao, T Lv, W Wu, N Cai… - Physics in Medicine …, 2019 - iopscience.iop.org
The image quality in low dose computed tomography (LDCT) can be severely degraded by
amplified mottle noise and streak artifacts. Although the iterative reconstruction (IR) …

An adaptive self-guided wavelet convolutional neural network with compound loss for low-dose CT denoising

S Li, Q Li, R Li, W Wu, J Zhao, Y Qiang… - … Signal Processing and …, 2022 - Elsevier
Computed Tomography (CT) is an imaging method widely used in clinical, industrial, and
other applications. Furthermore, it is one of the common methods of modern clinical medical …

Mm-net: Multiframe and multimask-based unsupervised deep denoising for low-dose computed tomography

SY Jeon, W Kim, JH Choi - IEEE Transactions on Radiation …, 2022 - ieeexplore.ieee.org
Low-dose computed tomography (LDCT) is crucial due to the risk of radiation exposure to
patients. However, the high noise level in LDCT images may reduce the image quality …

A feasibility study of extracting tissue textures from a previous full-dose CT database as prior knowledge for Bayesian reconstruction of current low-dose CT images

Y Gao, Z Liang, W Moore, H Zhang… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Markov random field (MRF) has been widely used to incorporate a priori knowledge as
penalty or regularizer to preserve edge sharpness while smoothing the region enclosed by …

Efficient low-dose CT denoising by locally-consistent non-local means (LC-NLM)

M Green, EM Marom, N Kiryati, E Konen… - Medical Image Computing …, 2016 - Springer
The never-ending quest for lower radiation exposure is a major challenge to the image
quality of advanced CT scans. Post-processing algorithms have been recently proposed to …

[PDF][PDF] Low-dose CT streak artifacts removal using deep residual neural network

H Li, K Mueller - Proceedings of Fully 3D conference, 2017 - onlinelibrary.fully3d.org
In order to effectively reduce the risk of radiation exposure, low-dose CT using fewer
projection views is becoming more and more preferred recently although it suffers …