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Improved dual-energy material discrimination for dual-source CT by means of additional spectral filtration.
The use of additional spectral filtration for dual-energy (DE) imaging using a dual-source CT (DSCT) system was investigated and its effect on the material-specific DE(ratio) was evaluated forExpand
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An evaluation of three commercially available metal artifact reduction methods for CT imaging.
  • J. Huang, J. Kerns, +7 authors S. Kry
  • Materials Science, Medicine
  • Physics in medicine and biology
  • 7 February 2015
Three commercial metal artifact reduction methods were evaluated for use in computed tomography (CT) imaging in the presence of clinically realistic metal implants: Philips O-MAR, GE's monochromaticExpand
  • 142
  • 5
A dual-energy subtraction technique for microcalcification imaging in digital mammography--a signal-to-noise analysis.
A theoretical framework for calculating the (quantum) noise in the dual-energy subtraction signals in the subtraction images is developed and the numerical computations are described. Expand
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  • 5
Comparison of an amorphous silicon/cesium iodide flat-panel digital chest radiography system with screen/film and computed radiography systems--a contrast-detail phantom study.
Flat-panel (FP) based digital radiography systems have recently been introduced as a new and improved digital radiography technology; it is important to evaluate and compare this new technology withExpand
  • 97
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A post-reconstruction method to correct cupping artifacts in cone beam breast computed tomography.
In cone beam breast computed tomography (CT), scattered radiation leads to nonuniform biasing of CT numbers known as a cupping artifact. Besides being visual distractions, cupping artifacts appear asExpand
  • 64
  • 1
Optimization of MTF and DQE in magnification radiography: a theoretical analysis
MTFs and focal spot intensity profiles were modeled as Gaussian functions. Expand
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  • 1
Spatial resolution properties in cone beam CT: a simulation study.
This work is intended to investigate the spatial resolution properties in cone beam CT by estimating the point spread functions (PSFs) in the reconstructed 3D images through simulation. The pointExpand
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  • 1
Radiation doses in cone-beam breast computed tomography: a Monte Carlo simulation study.
PURPOSE In this article, we describe a method to estimate the spatial dose variation, average dose and mean glandular dose (MGD) for a real breast using Monte Carlo simulation based on cone beamExpand
  • 21
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Performance evaluation of iterative reconstruction algorithms for achieving CT radiation dose reduction — a phantom study
  • C. Dodge, E. Tamm, +5 authors X. Rong
  • Mathematics, Medicine
  • Journal of applied clinical medical physics
  • 1 March 2016
The purpose of this study was to characterize image quality and dose performance with GE CT iterative reconstruction techniques, adaptive statistical iterative reconstruction (ASiR), and model‐basedExpand
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  • PDF
Scatter rejection and low-contrast performance of a slot-scan digital chest radiography system with electronic aft-collimation: a chest phantom study.
Anti-scatter grids have been widely used to reject scatter and increase the perceptibility of low-contrast object in chest radiography; however they also attenuate the primary x-rays, resulting in aExpand
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