Efficient correction for CT image artifacts caused by objects extending outside the scan field of view
B Ohnesorge, T Flohr, K Schwarz, JP Heiken… - Medical …, 2000 - Wiley Online Library
The purpose of this paper is to develop a method of eliminating CT image artifacts
generated by objects extending outside the scan field of view, such as obese or …
generated by objects extending outside the scan field of view, such as obese or …
Tiny a priori knowledge solves the interior problem in computed tomography
Based on the concept of differentiated backprojection (DBP)(Noo et al 2004 Phys. Med. Biol.
49 3903, Pan et al 2005 Med. Phys. 32 673, Defrise et al 2006 Inverse Problems 22 1037) …
49 3903, Pan et al 2005 Med. Phys. 32 673, Defrise et al 2006 Inverse Problems 22 1037) …
[HTML][HTML] Image reconstruction for sparse-view CT and interior CT—introduction to compressed sensing and differentiated backprojection
New designs of future computed tomography (CT) scanners called sparse-view CT and
interior CT have been considered in the CT community. Since these CTs measure only …
interior CT have been considered in the CT community. Since these CTs measure only …
Tomographic reconstruction in the 21st century
R Clackdoyle, M Defrise - IEEE Signal Processing Magazine, 2010 - ieeexplore.ieee.org
Image reconstruction from projections is the field that lays the foundations for computed
tomography (CT). For several decades, the established principles were applied not only to …
tomography (CT). For several decades, the established principles were applied not only to …
Algorithms for limited-view computed tomography: an annotated bibliography and a challenge
In many applications of computed tomography, it may not be possible to acquire projection
data at all angles, as required by the most commonly used algorithm of convolution …
data at all angles, as required by the most commonly used algorithm of convolution …
Region‐of‐interest tomography using filtered backprojection: assessing the practical limits
A Kyrieleis, V Titarenko, M Ibison… - Journal of …, 2011 - Wiley Online Library
There are many cases where it is desirable to reconstruct at high resolution a small volume
from a larger sample. Here we describe the outcomes of a reconstruction trial based on real …
from a larger sample. Here we describe the outcomes of a reconstruction trial based on real …
Body composition assessment with limited field-of-view computed tomography: A semantic image extension perspective
Abstract Field-of-view (FOV) tissue truncation beyond the lungs is common in routine lung
screening computed tomography (CT). This poses limitations for opportunistic CT-based …
screening computed tomography (CT). This poses limitations for opportunistic CT-based …
Sinogram recovery with the method of convex projections for limited-data reconstruction in computed tomography
H Kudo, T Saito - JOSA A, 1991 - opg.optica.org
Image reconstruction from incomplete projection data is strongly required in widespread
applications of computed tomography. This problem can be formulated as a sinogram …
applications of computed tomography. This problem can be formulated as a sinogram …
Attenuation correction in cardiac positron emission tomography and single-photon emission computed tomography
SL Bacharach, I Buvat - Journal of Nuclear Cardiology, 1995 - Springer
Quantitation in cardiac positron emission tomography (PET) and single-photon emission
computed tomography (SPECT) depends on being able to correct for several physical …
computed tomography (SPECT) depends on being able to correct for several physical …
Time-resolved cardiac interventional cone-beam CT reconstruction from fully truncated projections using the prior image constrained compressed sensing (PICCS) …
C-arm cone-beam CT could replace preoperative multi-detector CT scans in the cardiac
interventional setting. However, cardiac gating results in view angle undersampling and the …
interventional setting. However, cardiac gating results in view angle undersampling and the …