Sparse-view and limited-angle CT reconstruction with untrained networks and deep image prior

Z Shu, A Entezari - Computer Methods and Programs in Biomedicine, 2022 - Elsevier
Background and objective: Neural network based image reconstruction methods are
becoming increasingly popular. However, limited training data and the lack of theoretical …

RBP-DIP: Residual back projection with deep image prior for ill-posed CT reconstruction

Z Shu, A Entezari - Neural Networks, 2024 - Elsevier
The success of deep image prior (DIP) in a number of image processing tasks has motivated
their application in image reconstruction problems in computed tomography (CT). In this …

Real space iterative reconstruction for vector tomography (RESIRE-V)

M Pham, X Lu, A Rana, S Osher, J Miao - Scientific Reports, 2024 - nature.com
Tomography has had an important impact on the physical, biological, and medical sciences.
To date, most tomographic applications have been focused on 3D scalar reconstructions …

Rbp-dip: High-quality ct reconstruction using an untrained neural network with residual back projection and deep image prior

Z Shu, A Entezari - arXiv preprint arXiv:2210.14416, 2022 - arxiv.org
Neural network related methods, due to their unprecedented success in image processing,
have emerged as a new set of tools in CT reconstruction with the potential to change the …

Fast Backprojection Filtration Algorithm in Circular Cone‐Beam Computed Tomography

X Wang, Y Zhang, X Hong… - International Journal of …, 2023 - Wiley Online Library
In order to meet the heavy backprojection calculation of the backprojection filtration (BPF)
algorithm in circular cone‐beam computed tomography (CT), a fast backprojection method is …

A Global Constraint to Improve CT Reconstruction Under Non-Ideal Conditions

Z Shu, A Entezari - arXiv preprint arXiv:2212.09654, 2022 - arxiv.org
Background and Objective: The strong demand for medical imaging applications leads to
the popularity of the CT reconstruction problem. Researchers proposed multiple constraints …

A nonlocal prior in iterative CT reconstruction

Z Shu, A Entezari - Medical Physics - Wiley Online Library
Background Computed tomography (CT) reconstruction problems are always framed as
inverse problems, where the attenuation map of an imaged object is reconstructed from the …

Residual Back Projection with Untrained Neural Networks

Z Shu, A Entezari - Available at SSRN 4583936 - papers.ssrn.com
Abstract Background and Objective: The success of neural networks in a number of image
processing tasks has motivated their application in image reconstruction problems in …