CT noise-reduction methods for lower-dose scanning: strengths and weaknesses of iterative reconstruction algorithms and new techniques

P Mohammadinejad, A Mileto, L Yu, S Leng… - Radiographics, 2021 - pubs.rsna.org
Iterative reconstruction (IR) algorithms are the most widely used CT noise-reduction method
to improve image quality and have greatly facilitated radiation dose reduction within the …

[图书][B] Fundamentals of computerized tomography: image reconstruction from projections

GT Herman - 2009 - books.google.com
This revised and updated second edition–now with two new chapters-is the only book to
give a comprehensive overview of computer algorithms for image reconstruction. It covers …

A modern review of the uncertainties in volumetric imaging of respiratory‐induced target motion in lung radiotherapy

I Vergalasova, J Cai - Medical physics, 2020 - Wiley Online Library
Radiotherapy has become a critical component for the treatment of all stages and types of
lung cancer, often times being the primary gateway to a cure. However, given that radiation …

Quality assurance for image‐guided radiation therapy utilizing CT‐based technologies: a report of the AAPM TG‐179

JP Bissonnette, PA Balter, L Dong, KM Langen… - Medical …, 2012 - Wiley Online Library
Purpose: Commercial CT‐based image‐guided radiotherapy (IGRT) systems allow
widespread management of geometric variations in patient setup and internal organ motion …

[HTML][HTML] Radiation dose reduction in computed tomography: techniques and future perspective

L Yu, X Liu, S Leng, JM Kofler… - Imaging in …, 2009 - ncbi.nlm.nih.gov
Despite universal consensus that computed tomography (CT) overwhelmingly benefits
patients when used for appropriate indications, concerns have been raised regarding the …

Evaluation of sparse-view reconstruction from flat-panel-detector cone-beam CT

J Bian, JH Siewerdsen, X Han, EY Sidky… - Physics in Medicine …, 2010 - iopscience.iop.org
Flat-panel-detector x-ray cone-beam computed tomography (CBCT) is used in a rapidly
increasing host of imaging applications, including image-guided surgery and radiotherapy …

Performance comparison between total variation (TV)-based compressed sensing and statistical iterative reconstruction algorithms

J Tang, BE Nett, GH Chen - Physics in Medicine & Biology, 2009 - iopscience.iop.org
Of all available reconstruction methods, statistical iterative reconstruction algorithms appear
particularly promising since they enable accurate physical noise modeling. The newly …

Compressed sensing based cone‐beam computed tomography reconstruction with a first‐order method a

K Choi, J Wang, L Zhu, TS Suh, S Boyd… - Medical …, 2010 - Wiley Online Library
Purpose: This article considers the problem of reconstructing cone‐beam computed
tomography (CBCT) images from a set of undersampled and potentially noisy projection …

TIMBIR: A method for time-space reconstruction from interlaced views

KA Mohan, SV Venkatakrishnan… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
Synchrotron X-ray computed tomography (SXCT) is increasingly being used for 3-D imaging
of material samples at micron and finer scales. The success of these techniques has …

Cine cone beam CT reconstruction using low-rank matrix factorization: algorithm and a proof-of-principle study

JF Cai, X Jia, H Gao, SB Jiang, Z Shen… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Respiration-correlated CBCT, commonly called 4DCBCT, provides respiratory phase-
resolved CBCT images. A typical 4DCBCT represents averaged patient images over one …