Ultra-low-dose spectral CT based on a multi-level wavelet convolutional neural network

M Lee, H Kim, HM Cho, HJ Kim - Journal of Digital Imaging, 2021 - Springer
Spectral computed tomography (CT) based on a photon-counting detector (PCD) is a
promising technique with the potential to improve lesion detection, tissue characterization …

[PDF][PDF] Learned experts' assessment-based reconstruction network (” learn”) for sparse-data ct,”

H Chen, Y Zhang, W Zhang, H Sun, P Liao… - arXiv preprint arXiv …, 2017 - researchgate.net
Compressive sensing (CS) has proved effective for tomographic reconstruction from
sparsely collected data or under-sampled measurements, which are practically important for …

Improving the quality of sparse-view cone-beam computed tomography via reconstruction-friendly interpolation network

Y Wang, L Chao, W Shan, H Zhang… - Proceedings of the …, 2022 - openaccess.thecvf.com
Reconstructing cone-beam computed tomography (CBCT) typically utilizes a Feldkamp-
Davis-Kress (FDK) algorithm to'translate'hundreds of 2D X-ray projections on different …

A U-Nets cascade for sparse view computed tomography

A Kofler, M Haltmeier, C Kolbitsch, M Kachelrieß… - Machine Learning for …, 2018 - Springer
We propose a new convolutional neural network architecture for image reconstruction in
sparse view computed tomography. The proposed network consists of a cascade of U-nets …

[HTML][HTML] A deep learning reconstruction framework for X-ray computed tomography with incomplete data

J Dong, J Fu, Z He - PloS one, 2019 - journals.plos.org
As a powerful imaging tool, X-ray computed tomography (CT) allows us to investigate the
inner structures of specimens in a quantitative and nondestructive way. Limited by the …

A deep convolutional neural network using directional wavelets for low‐dose X‐ray CT reconstruction

E Kang, J Min, JC Ye - Medical physics, 2017 - Wiley Online Library
Purpose Due to the potential risk of inducing cancer, radiation exposure by X‐ray CT
devices should be reduced for routine patient scanning. However, in low‐dose X‐ray CT …

Snaf: Sparse-view cbct reconstruction with neural attenuation fields

Y Fang, L Mei, C Li, Y Liu, W Wang, Z Cui… - arXiv preprint arXiv …, 2022 - arxiv.org
Cone beam computed tomography (CBCT) has been widely used in clinical practice,
especially in dental clinics, while the radiation dose of X-rays when capturing has been a …

LEARN: Learned experts' assessment-based reconstruction network for sparse-data CT

H Chen, Y Zhang, Y Chen, J Zhang… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Compressive sensing (CS) has proved effective for tomographic reconstruction from
sparsely collected data or under-sampled measurements, which are practically important for …

Robust X-ray sparse-view phase tomography via hierarchical synthesis convolutional neural networks

Z Wu, A Alorf, T Yang, L Li, Y Zhu - arXiv preprint arXiv:1901.10644, 2019 - arxiv.org
Convolutional Neural Networks (CNN) based image reconstruction methods have been
intensely used for X-ray computed tomography (CT) reconstruction applications. Despite …

CNN-based projected gradient descent for consistent CT image reconstruction

H Gupta, KH Jin, HQ Nguyen… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
We present a new image reconstruction method that replaces the projector in a projected
gradient descent (PGD) with a convolutional neural network (CNN). Recently, CNNs trained …