Why do commercial CT scanners still employ traditional, filtered back-projection for image reconstruction?

X Pan, EY Sidky, M Vannier - Inverse problems, 2009 - iopscience.iop.org
Despite major advances in x-ray sources, detector arrays, gantry mechanical design and
especially computer performance, one component of computed tomography (CT) scanners …

An outlook on x‐ray CT research and development

G Wang, H Yu, B De Man - Medical physics, 2008 - Wiley Online Library
Over the past decade, computed tomography (CT) theory, techniques and applications have
undergone a rapid development. Since CT is so practical and useful, undoubtedly CT …

Algorithm-enabled low-dose micro-CT imaging

X Han, J Bian, DR Eaker, TL Kline… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
Micro-computed tomography (micro-CT) is an important tool in biomedical research and
preclinical applications that can provide visual inspection of and quantitative information …

The meaning of interior tomography

G Wang, H Yu - Physics in Medicine & biology, 2013 - iopscience.iop.org
The classic imaging geometry for computed tomography is for the collection of un-truncated
projections and the reconstruction of a global image, with the Fourier transform as the …

Region of interest reconstruction from truncated data in circular cone-beam CT

L Yu, Y Zou, EY Sidky, CA Pelizzari… - IEEE transactions on …, 2006 - ieeexplore.ieee.org
The circular scanning trajectory is one of the most widely adopted data-acquisition
configurations in computed tomography (CT). The Feldkamp, Davis, Kress (FDK) algorithm …

Optimization-based image reconstruction from sparse-view data in offset-detector CBCT

J Bian, J Wang, X Han, EY Sidky… - Physics in Medicine & …, 2012 - iopscience.iop.org
The field of view (FOV) of a cone-beam computed tomography (CBCT) unit in a single-
photon emission computed tomography (SPECT)/CBCT system can be increased by …

Dose reduction for kilovotage cone-beam computed tomography in radiation therapy

J Wang, T Li, Z Liang, L **ng - Physics in Medicine & Biology, 2008 - iopscience.iop.org
Kilovotage cone-beam computed tomography (kV-CBCT) has shown potentials to improve
the accuracy of a patient setup in radiotherapy. However, daily and repeated use of CBCT …

Approximate and exact cone-beam reconstruction with standard and non-standard spiral scanning

G Wang, Y Ye, H Yu - Physics in medicine & biology, 2007 - iopscience.iop.org
The long object problem is practically important and theoretically challenging. To solve the
long object problem, spiral cone-beam CT was first proposed in 1991, and has been …

Exact interior reconstruction with cone‐beam CT

Y Ye, H Yu, G Wang - International journal of biomedical …, 2007 - Wiley Online Library
Using the backprojection filtration (BPF) and filtered backprojection (FBP) approaches,
respectively, we prove that with cone‐beam CT the interior problem can be exactly solved by …

A compressed sensing-based iterative algorithm for CT reconstruction and its possible application to phase contrast imaging

X Li, S Luo - Biomedical engineering online, 2011 - Springer
Abstract Background Computed Tomography (CT) is a technology that obtains the
tomogram of the observed objects. In real-world applications, especially the biomedical …