Limited parameter denoising for low‐dose X‐ray computed tomography using deep reinforcement learning

M Patwari, R Gutjahr, R Raupach, A Maier - Medical Physics, 2022 - Wiley Online Library
Background The use of deep learning has successfully solved several problems in the field
of medical imaging. Deep learning has been applied to the CT denoising problem …

Denoising computed tomography images with 3D-convolution based neural networks

S Moilanen - 2021 - oulurepo.oulu.fi
Low-dose computed tomography (CT) is an imaging technique used in imaging cross-
sectional images of the body that minimizes the radiation dose of the patient. Low-dose CT …

Unpaired image denoising using a generative adversarial network in X-ray CT

HS Park, J Baek, SK You, JK Choi, JK Seo - IEEE Access, 2019 - ieeexplore.ieee.org
This paper proposes a deep learning-based denoising method for noisy low-dose
computerized tomography (CT) images in the absence of paired training data. The proposed …

Toward iterative reconstruction in clinical CT: increased sharpness-to-noise and significant dose reduction owing to a new class of regularization priors

H Bruder, R Raupach, M Sedlmair… - … 2010: Physics of …, 2010 - spiedigitallibrary.org
In this paper, a novel regularization approach for (non-statistical) iterative reconstruction is
developed. In our implementation, the update equation of iterative reconstruction is based …

Probabilistic self‐learning framework for low‐dose CT denoising

T Bai, B Wang, D Nguyen, S Jiang - Medical physics, 2021 - Wiley Online Library
Purpose Despite the indispensable role of x‐ray computed tomography (CT) in diagnostic
medicine, the associated harmful ionizing radiation dose is a major concern, as it may cause …

Multi-stage Deep Learning Artifact Reduction for Computed Tomography

J Shi, DM Pelt, KJ Batenburg - arXiv preprint arXiv:2309.00494, 2023 - arxiv.org
In Computed Tomography (CT), an image of the interior structure of an object is computed
from a set of acquired projection images. The quality of these reconstructed images is …

[HTML][HTML] Low-cost probabilistic 3D denoising with applications for ultra-low-radiation computed tomography

I Horenko, L Pospíšil, E Vecchi, S Albrecht, A Gerber… - Journal of …, 2022 - mdpi.com
We propose a pipeline for synthetic generation of personalized Computer Tomography (CT)
images, with a radiation exposure evaluation and a lifetime attributable risk (LAR) …

Ascon: Anatomy-aware supervised contrastive learning framework for low-dose ct denoising

Z Chen, Q Gao, Y Zhang, H Shan - International Conference on Medical …, 2023 - Springer
While various deep learning methods have been proposed for low-dose computed
tomography (CT) denoising, most of them leverage the normal-dose CT images as the …

Gradient extraction based multiscale dense cross network for LDCT denoising

J Kang, Y Liu, H Shu, N Guo, Q Zhang, Y Zhou… - Nuclear Instruments and …, 2023 - Elsevier
Low-dose computed tomography (LDCT) reduces the damage caused by ionizing radiation
by reducing the X-ray dose. However, CT images reconstructed from low-dose X-rays …

Low dose CT image denoising using deep convolutional neural networks with extended receptive fields

N Thanh-Trung, DH Trinh, N Linh-Trung, M Luong - Authorea Preprints, 2023 - techrxiv.org
How to reduce dose radiation while preserving the image quality as when using standard
dose is one of the most important topics in the Computed Tomography (CT) imaging domain …