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 …

MAGIC: Manifold and graph integrative convolutional network for low-dose CT reconstruction

W Xia, Z Lu, Y Huang, Z Shi, Y Liu… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Low-dose computed tomography (LDCT) scans, which can effectively alleviate the radiation
problem, will degrade the imaging quality. In this paper, we propose a novel LDCT …

CT reconstruction with PDF: Parameter-dependent framework for data from multiple geometries and dose levels

W Xia, Z Lu, Y Huang, Y Liu, H Chen… - … on Medical Imaging, 2021 - ieeexplore.ieee.org
The current mainstream computed tomography (CT) reconstruction methods based on deep
learning usually need to fix the scanning geometry and dose level, which significantly …

PWLS-ULTRA: An efficient clustering and learning-based approach for low-dose 3D CT image reconstruction

X Zheng, S Ravishankar, Y Long… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
The development of computed tomography (CT) image reconstruction methods that
significantly reduce patient radiation exposure, while maintaining high image quality is an …

Convergent regularization in inverse problems and linear plug-and-play denoisers

A Hauptmann, S Mukherjee, CB Schönlieb… - Foundations of …, 2024 - Springer
Regularization is necessary when solving inverse problems to ensure the well-posedness of
the solution map. Additionally, it is desired that the chosen regularization strategy is …

Physics-/model-based and data-driven methods for low-dose computed tomography: A survey

W Xia, H Shan, G Wang, Y Zhang - IEEE signal processing …, 2023 - ieeexplore.ieee.org
Since 2016, deep learning (DL) has advanced tomographic imaging with remarkable
successes, especially in low-dose computed tomography (LDCT) imaging. Despite being …

Patch-based denoising diffusion probabilistic model for sparse-view CT reconstruction

W Xia, W Cong, G Wang - arXiv preprint arXiv:2211.10388, 2022 - arxiv.org
Sparse-view computed tomography (CT) can be used to reduce radiation dose greatly but is
suffers from severe image artifacts. Recently, the deep learning based method for sparse …

Generative modeling in sinogram domain for sparse-view CT reconstruction

B Guan, C Yang, L Zhang, S Niu… - … on Radiation and …, 2023 - ieeexplore.ieee.org
The radiation dose in computed tomography (CT) examinations is harmful for patients but
can be significantly reduced by intuitively decreasing the number of projection views …

Convolutional analysis operator learning: Acceleration and convergence

IY Chun, JA Fessler - IEEE Transactions on Image Processing, 2019 - ieeexplore.ieee.org
Convolutional operator learning is gaining attention in many signal processing and
computer vision applications. Learning kernels has mostly relied on so-called patch-domain …

Sparse-view cone beam CT reconstruction using data-consistent supervised and adversarial learning from scarce training data

A Lahiri, G Maliakal, ML Klasky… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Reconstruction of CT images from a limited set of projections through an object is important
in several applications ranging from medical imaging to industrial settings. As the number of …