Iterative reconstruction for low dose CT using Plug-and-Play alternating direction method of multipliers (ADMM) framework

Q Lyu, D Ruan, J Hoffman, R Neph… - Medical Imaging …, 2019 - spiedigitallibrary.org
Concerns over the risks of radiation dose from diagnostic CT motivated the utilization of low
dose CT (LdCT). However, due to the extremely low X-ray photon statistics in LdCT, the …

Accelerated 3D image reconstruction with a morphological pyramid and noise-power convergence criterion

A Sisniega, JW Stayman, S Capostagno… - Physics in Medicine …, 2021 - iopscience.iop.org
Abstract Model-based iterative reconstruction (MBIR) for cone-beam CT (CBCT) offers better
noise-resolution tradeoff and image quality than analytical methods for acquisition protocols …

New GPU implementation of Separable Footprint (SF) Projector and Backprojector: first results

C Chapdelaine, N Gac, AM Djafari… - The Fifth International …, 2018 - hal.science
—Model-based iterative reconstruction methods enable to improve the quality of
reconstruction in 3D X-ray Computed Tomography (CT). The main computational burden of …

High-level synthesis (HLS) on FPGA for inverse problems: application to tomography and radioastronomy

D Diakité - 2022 - theses.hal.science
The increasing need for computing power imposed by the complexity of processing
algorithms and the size of problems requires using hardware accelerators to meet time and …

Block axial checkerboarding: A distributed algorithm for helical X-ray CT reconstruction

N Murthy, JA Fessler - 2020 IEEE 17th International …, 2020 - ieeexplore.ieee.org
Model-Based Iterative Reconstruction (MBIR) methods for X-ray CT provide improved image
quality compared to conventional techniques like filtered backprojection (FBP), but their …

Systems and methods for reprojection and backprojection via homographic resampling transform

C Riddell, M Savanier, E Chouzenoux… - US Patent …, 2023 - Google Patents
2020-07-31 Assigned to GE Precision Healthcare LLC reassignment GE Precision
Healthcare LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …

[图书][B] Single and dual-energy computed tomography guided radiation therapy

Q Lyu - 2021 - search.proquest.com
Purpose: Conformal dose and precise imaging are key to radiation therapy. Here we
introduce a series of integrated optimization frameworks to improve computed tomography …

Model-based iterative reconstruction for X-ray computed tomography using attenuation and propagation-based phase contrast

L Hehn - 2020 - mediatum.ub.tum.de
This work is focused on the development of reconstruction algorithms for different X-ray
imaging modalities to improve image quality. To enhance propagation-based phase …

Multi-streaming and multi-GPU optimization for a matched pair of Projector and Backprojector

N Georgin, C Chapdelaine, N Gac… - … Meeting on Fully …, 2019 - spiedigitallibrary.org
Iterative reconstruction methods are used in X-ray Computed Tomography in order to
improve the quality of reconstruction compared to filtered backprojection methods. However …

Implementation and Analysis of 3-D Tomographic Reconstructions from Space-Based Imaging Platforms

GW Hinton - 2021 - search.proquest.com
Imaging satellites that look nadir face a variety of obstacles. In addition to designing the
system for the intense environment that the satellite will be experiencing, there are other …