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 …

Regularization strategies in statistical image reconstruction of low‐dose x‐ray CT: A review

H Zhang, J Wang, D Zeng, X Tao, J Ma - Medical physics, 2018 - Wiley Online Library
Statistical image reconstruction (SIR) methods have shown potential to substantially improve
the image quality of low‐dose x‐ray computed tomography (CT) as compared to the …

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 …

Artifact correction in low‐dose dental CT imaging using Wasserstein generative adversarial networks

Z Hu, C Jiang, F Sun, Q Zhang, Y Ge, Y Yang… - Medical …, 2019 - Wiley Online Library
Purpose In recent years, health risks concerning high‐dose x‐ray radiation have become a
major concern in dental computed tomography (CT) examinations. Therefore, adopting low …

CCN-CL: A content-noise complementary network with contrastive learning for low-dose computed tomography denoising

Y Tang, Q Du, J Wang, Z Wu, Y Li, M Li, X Yang… - Computers in Biology …, 2022 - Elsevier
In recent years, low-dose computed tomography (LDCT) has played an increasingly
important role in the diagnosis CT to reduce the potential adverse effects of x-ray radiation …

Deep cascade residual networks (DCRNs): optimizing an encoder–decoder convolutional neural network for low-dose CT imaging

Z Huang, Z Chen, G Quan, Y Du, Y Yang… - … on Radiation and …, 2022 - ieeexplore.ieee.org
To suppress noise and artifacts caused by the reduced radiation exposure in low-dose
computed tomography, several deep learning (DL)-based image restoration methods have …

Segmentation-guided denoising network for low-dose CT imaging

Z Huang, Z Liu, P He, Y Ren, S Li, Y Lei, D Luo… - Computer Methods and …, 2022 - Elsevier
Background: To reduce radiation exposure and improve diagnosis in low-dose computed
tomography, several deep learning (DL)-based image denoising methods have been …

A self-supervised guided knowledge distillation framework for unpaired low-dose CT image denoising

J Wang, Y Tang, Z Wu, Q Du, L Yao, X Yang… - … medical imaging and …, 2023 - Elsevier
Low-dose computed tomography (LDCT) can significantly reduce the damage of X-ray to the
human body, but the reduction of CT dose will produce images with severe noise and …

Nonlocal low-rank and sparse matrix decomposition for spectral CT reconstruction

S Niu, G Yu, J Ma, J Wang - Inverse problems, 2018 - iopscience.iop.org
Spectral computed tomography (CT) has been a promising technique in research and clinics
because of its ability to produce improved energy resolution images with narrow energy …