Monte Carlo Approach for Estimating Density and Atomic Number From Dual‐Energy Computed Tomography Images of Carbonate Rocks
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jb014408
Abstract: We develop a new Monte Carlo-based inversion method for estimating electron density and effective atomic number from 3D dual-energy computed tomography (CT) core scans. The method accounts for uncertainties in X-ray attenuation coefficients resulting from… read more here.
Keywords: monte carlo; density; number dual; atomic number ... See more keywords
Contrast thresholds for detection of various iodine concentrations in subtraction CT and dual‐energy CT systems
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13834
Abstract: Abstract Objective To estimate the minimum iodine concentrations detectable in simulated vessels of various diameters for both subtraction computed tomography (CT) and dual‐energy CT systems. Methods Fillable tubes (diameters: 1, 3, and 5 mm) were… read more here.
Keywords: dual energy; contrast thresholds; concentration; sct ... See more keywords
Estimating resting energy expenditure from dual‐energy X‐ray absorptiometry: A cross‐sectional study in healthy young adults
Sign Up to like & getrecommendations! Published in 2020 at "American Journal of Human Biology"
DOI: 10.1002/ajhb.23466
Abstract: To qualify a 3C approach model of dual‐energy X‐ray absorptiometry (DXA) to estimate multicomponent resting energy expenditure (REE) referenced by indirect calorimetry (IC). read more here.
Keywords: energy expenditure; energy; energy ray; resting energy ... See more keywords
Evaluation of dual‐energy X‐ray absorptiometry compared to magnetic resonance imaging for collecting measurements of the human bony pelvis
Sign Up to like & getrecommendations! Published in 2022 at "American Journal of Human Biology"
DOI: 10.1002/ajhb.23753
Abstract: Imaging methods to measure the human pelvis in vivo provide opportunities to better understand pelvic variation and adaptation. Magnetic resonance imaging (MRI) provides high‐resolution images, but is more expensive than dual‐energy X‐ray absorptiometry (DXA). We… read more here.
Keywords: magnetic resonance; dual energy; ray absorptiometry; resonance imaging ... See more keywords
The clinical value of dual‐energy computed tomography and diffusion‐weighted imaging in the context of liver cancer: A narrative review
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Clinical Ultrasound"
DOI: 10.1002/jcu.23197
Abstract: The dual‐energy computed tomography (DECT) and diffusion‐weighted magnetic resonance imaging (DWI‐MRI) are used to diagnose liver cancer. The clinical value of these two examination methods needs to be further summarized. We collected and summarized relevant… read more here.
Keywords: dual energy; computed tomography; energy computed; dwi mri ... See more keywords
Technical Note: Insertion of digital lesions in the projection domain for dual‐source, dual‐energy CT
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12185
Abstract: Purpose To compare algorithms performing material decomposition and classification in dual‐energy CT, it is desirable to know the ground truth of the lesion to be analyzed in real patient data. In this work, we developed… read more here.
Keywords: energy; dual source; projection; dual energy ... See more keywords
Adaptive Weighted Log Subtraction based on Neural Networks for Markerless Tumor Tracking using Dual-Energy Fluoroscopy.
Sign Up to like & getrecommendations! Published in 2019 at "Medical physics"
DOI: 10.1002/mp.13941
Abstract: PURPOSE To present a novel method, based on convolution neural networks (CNN), to automate weighted log subtraction (WLS) for dual-energy (DE) fluoroscopy to be used in conjunction with markerless tumor tracking (MTT). METHODS A CNN… read more here.
Keywords: subtraction; soft tissue; fluoroscopy; dual energy ... See more keywords
A feasibility study on deep-neural-network-based dose-neutral dual-energy digital breast tomosynthesis.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.16071
Abstract: BACKGROUND Diagnostic performance based on X-ray breast imaging is subject to breast density. Although digital breast tomosynthesis (DBT) is reported to outperform conventional mammography in denser breasts, mass detection and malignancy characterization are often considered… read more here.
Keywords: neural network; dual energy; deep neural; breast ... See more keywords
Validity of dual‐energy x‐ray absorptiometry for estimation of visceral adipose tissue and visceral adipose tissue change after surgery‐induced weight loss in women with severe obesity
Sign Up to like & getrecommendations! Published in 2022 at "Obesity"
DOI: 10.1002/oby.23415
Abstract: Reliable and simple methods to quantify visceral adipose tissue (VAT) and VAT changes are needed. This study investigated the validity of dual‐energy x‐ray absorptiometry (DXA) compared with magnetic resonance imaging (MRI) for estimating VAT cross… read more here.
Keywords: dual energy; validity dual; adipose tissue; obesity ... See more keywords
Dual-energy X-ray absorptiometry and fracture prediction in patients with spinal cord injuries and disorders: methodological issues
Sign Up to like & getrecommendations! Published in 2017 at "Osteoporosis International"
DOI: 10.1007/s00198-017-3990-7
Abstract: Dear Editor, I was interested to read the paper by Abderhalden and colleagues published in the March 2017 issue of Osteoporosis International [1]. Persons with a spinal cord injury (SCI) have substantial morbidity and mortality… read more here.
Keywords: energy ray; prediction; ray absorptiometry; dual energy ... See more keywords
Peripheral quantitative computed tomography (pQCT)–based finite element analysis provides enhanced diagnostic performance in identifying non-vertebral fracture patients compared with dual-energy X-ray absorptiometry
Sign Up to like & getrecommendations! Published in 2019 at "Osteoporosis International"
DOI: 10.1007/s00198-019-05213-1
Abstract: Summary Due to limitations of the predominant clinical method for diagnosing osteoporosis, an engineering model based on a dedicated CT scanner for bone density and structure was applied in fracture patients and controls. Improved diagnostic… read more here.
Keywords: fracture patients; diagnostic performance; fracture; pqct ... See more keywords