State of the art: iterative CT reconstruction techniques
LL Geyer, UJ Schoepf, FG Meinel, JW Nance Jr… - Radiology, 2015 - pubs.rsna.org
Owing to recent advances in computing power, iterative reconstruction (IR) algorithms have
become a clinically viable option in computed tomographic (CT) imaging. Substantial …
become a clinically viable option in computed tomographic (CT) imaging. Substantial …
Dose reduction with iterative reconstruction for coronary CT angiography: a systematic review and meta-analysis
AM Den Harder, MJ Willemink… - The British journal of …, 2016 - academic.oup.com
Objective: To investigate the achievable radiation dose reduction for coronary CT
angiography (CCTA) with iterative reconstruction (IR) in adults and the effects on image …
angiography (CCTA) with iterative reconstruction (IR) in adults and the effects on image …
Effect of radiation dose reduction and reconstruction algorithm on image noise, contrast, resolution, and detectability of subtle hypoattenuating liver lesions at …
Purpose To determine the effect of radiation dose and iterative reconstruction (IR) on noise,
contrast, resolution, and observer-based detectability of subtle hypoattenuating liver lesions …
contrast, resolution, and observer-based detectability of subtle hypoattenuating liver lesions …
Unenhanced third-generation dual-source chest CT using a tin filter for spectral shaping at 100 kVp
H Haubenreisser, M Meyer, S Sudarski… - European journal of …, 2015 - Elsevier
Objective To prospectively investigate image quality and radiation dose of 100 kVp spectral
shaping chest CT using a dedicated tin filter on a 3rd generation dual-source CT (DSCT) in …
shaping chest CT using a dedicated tin filter on a 3rd generation dual-source CT (DSCT) in …
Reducing CT radiation dose with iterative reconstruction algorithms: the influence of scan and reconstruction parameters on image quality and CTDIvol
T Klink, V Obmann, J Heverhagen, A Stork… - European journal of …, 2014 - Elsevier
Objectives In this phantom CT study, we investigated whether images reconstructed using
filtered back projection (FBP) and iterative reconstruction (IR) with reduced tube voltage and …
filtered back projection (FBP) and iterative reconstruction (IR) with reduced tube voltage and …
Physical characterization of a new CT iterative reconstruction method operating in sinogram space
C Ghetti, F Palleri, G Serreli… - Journal of applied …, 2013 - Wiley Online Library
Recently a new iterative reconstruction algorithm named Sinogram Affirmed Iterative
Reconstruction (SAFIRE) has been released by Siemens. This algorithm works in the raw …
Reconstruction (SAFIRE) has been released by Siemens. This algorithm works in the raw …
Low-dose abdominal computed tomography for detection of urinary stone disease− Impact of additional spectral shaping of the X-ray beam on image quality and dose …
P Dewes, C Frellesen, JE Scholtz, S Fischer… - European journal of …, 2016 - Elsevier
Objectives To evaluate a novel tin filter-based abdominal CT protocol for urolithiasis in terms
of image quality and CT dose parameters. Methods 130 consecutive patients with suspected …
of image quality and CT dose parameters. Methods 130 consecutive patients with suspected …
Low Dose and Low Contrast Medium Coronary CT Angiography Using Dual-Layer Spectral Detector CT Low keV versus Low kVp
Y Yi, XM Zhao, RZ Wu, Y Wang, M Vembar… - International heart …, 2019 - jstage.jst.go.jp
The aim of the present study was to investigate the performance of low keV mono-energetic
reconstructions in spectral coronary computed tomography angiography (CCTA) using …
reconstructions in spectral coronary computed tomography angiography (CCTA) using …
Estimating detectability index in vivo: development and validation of an automated methodology
This study's purpose was to develop and validate a method to estimate patient-specific
detectability indices directly from patients' CT images (ie, in vivo). The method extracts noise …
detectability indices directly from patients' CT images (ie, in vivo). The method extracts noise …
Computational and human observer image quality evaluation of low dose, knowledge‐based CT iterative reconstruction
Purpose: Aims in this study are to (1) develop a computational model observer which
reliably tracks the detectability of human observers in low dose computed tomography (CT) …
reliably tracks the detectability of human observers in low dose computed tomography (CT) …