Dose and blending fraction quantification for adaptive statistical iterative reconstruction based on low‐contrast detectability in abdomen CT
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.12813
Abstract: Abstract Purpose The utilization of iterative reconstruction makes it difficult to identify the dose‐noise relationship, resulting in empirical design of scan protocols and inconsistent conclusions on dose reduction for consistent image quality. This study was… read more here.
Keywords: iterative reconstruction; blending fraction; contrast detectability; fraction ... See more keywords
Increasing iterative reconstruction strength at low tube voltage in coronary CT angiography protocols using 3D‐printed and Catphan® 500 phantoms
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.12977
Abstract: Abstract Purpose The purpose of this study was to investigate the effect of increasing iterative reconstruction (IR) algorithm strength at different tube voltages in coronary computed tomography angiography (CCTA) protocols using a three‐dimensional (3D)‐printed and… read more here.
Keywords: iterative reconstruction; image; tube; 500 phantoms ... See more keywords
Applying a CT texture analysis model trained with deep‐learning reconstruction images to iterative reconstruction images in pulmonary nodule diagnosis
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13759
Abstract: Abstract Objective To investigate the feasibility and accuracy of applying a computed tomography (CT) texture analysis model trained with deep‐learning reconstruction images to iterative reconstruction images for classifying pulmonary nodules. Materials and methods CT images… read more here.
Keywords: iterative reconstruction; reconstruction images; texture; reconstruction ... See more keywords
Impact of advanced detector technology and iterative reconstruction on low‐dose quantitative assessment of lung computed tomography density in a biological lung model
Sign Up to like & getrecommendations! Published in 2018 at "Medical Physics"
DOI: 10.1002/mp.13057
Abstract: PURPOSE Quantitative computed tomography (QCT)-derived measures of lung density are valued methods for objectively characterizing lung parenchymal and peripheral airways disease and are being used in a growing number of lung disease focused trials. Detector… read more here.
Keywords: reconstruction; iterative reconstruction; computed tomography; density ... See more keywords
Exact gram filtering and efficient back projection for iterative CT reconstruction.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15547
Abstract: PURPOSE Forward and back-projections are the basis of all model-based iterative reconstruction (MBIR) methods. However, computing these accurately is time consuming. In this paper, we present a method for model-based iterative reconstruction in parallel X-ray… read more here.
Keywords: iterative reconstruction; projection; methodology; back projection ... See more keywords
Pediatric 320-row cardiac computed tomography using electrocardiogram-gated model-based full iterative reconstruction
Sign Up to like & getrecommendations! Published in 2017 at "Pediatric Radiology"
DOI: 10.1007/s00247-017-3901-2
Abstract: BackgroundFull iterative reconstruction algorithm is available, but its diagnostic quality in pediatric cardiac CT is unknown.ObjectiveTo compare the imaging quality of two algorithms, full and hybrid iterative reconstruction, in pediatric cardiac CT.Materials and methodsWe included… read more here.
Keywords: reconstruction; iterative reconstruction; quality; hybrid iterative ... See more keywords
Extent of tube-current reduction using sinogram affirmed iterative reconstruction in pediatric computed tomography: phantom study
Sign Up to like & getrecommendations! Published in 2018 at "Pediatric Radiology"
DOI: 10.1007/s00247-018-4260-3
Abstract: BackgroundIterative image reconstruction techniques can produce diagnostic-quality computed tomography (CT) images with lower radiation dose.ObjectiveTo quantify the reduction in x-ray tube-current setting and optimize pediatric CT scans using different strengths of an iterative reconstruction technique.Materials… read more here.
Keywords: reconstruction; tube current; iterative reconstruction; current reduction ... See more keywords
Intra-patient comparison of reduced-dose model-based iterative reconstruction with standard-dose adaptive statistical iterative reconstruction in the CT diagnosis and follow-up of urolithiasis
Sign Up to like & getrecommendations! Published in 2017 at "European Radiology"
DOI: 10.1007/s00330-017-4783-2
Abstract: AbstractObjectivesTo evaluate the accuracy of reduced-dose CT scans reconstructed using a new generation of model-based iterative reconstruction (MBIR) in the imaging of urinary tract stone disease, compared with a standard-dose CT using 30% adaptive statistical… read more here.
Keywords: reconstruction; model based; iterative reconstruction; reduced dose ... See more keywords
Accelerating iterative CT reconstruction algorithms using Tensor Cores
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Real-time Image Processing"
DOI: 10.1007/s11554-020-01069-5
Abstract: Tensor Cores are specialized hardware units added to recent NVIDIA GPUs to speed up matrix multiplication-related tasks, such as convolutions and densely connected layers in neural networks. Due to their specific hardware implementation and programming… read more here.
Keywords: reconstruction; tensor; real time; iterative reconstruction ... See more keywords
Improved Estimation of Coronary Plaque and Luminal Attenuation Using a Vendor-specific Model-based Iterative Reconstruction Algorithm in Contrast-enhanced CT Coronary Angiography.
Sign Up to like & getrecommendations! Published in 2017 at "Academic radiology"
DOI: 10.1016/j.acra.2017.02.006
Abstract: RATIONALE AND OBJECTIVES To investigate the stabilities of plaque attenuation and coronary lumen for different plaque types, stenotic degrees, lumen densities, and reconstruction methods using coronary vessel phantoms and the visualization of coronary plaques in… read more here.
Keywords: model based; iterative reconstruction; contrast; based iterative ... See more keywords
Diagnosis of lumbar spinal fractures in emergency department: low-dose versus standard-dose CT using model-based iterative reconstruction.
Sign Up to like & getrecommendations! Published in 2018 at "Clinical imaging"
DOI: 10.1016/j.clinimag.2018.04.007
Abstract: PURPOSE To compared the diagnostic performance of low-dose (LD) lumbar-spine (L-spine) CT with that of standard-dose (SD) L-spine CT. METHODS Patients who underwent SD (n = 76) or LD (n = 68) L-spine CT using model-based iterative reconstruction were… read more here.
Keywords: model based; iterative reconstruction; low dose; based iterative ... See more keywords