Articles with "dual energy" as a keyword



Monte Carlo Approach for Estimating Density and Atomic Number From Dual‐Energy Computed Tomography Images of Carbonate Rocks

Sign Up to like & get
recommendations!
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 & get
recommendations!
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 & get
recommendations!
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 & get
recommendations!
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

Sarcopenia prognosis using dual‐energy X‐ray absorptiometry and prediction model in older patients with heart failure

Sign Up to like & get
recommendations!
Published in 2024 at "ESC Heart Failure"

DOI: 10.1002/ehf2.14667

Abstract: This study aimed to determine whether there is a difference in the prognostic value of sarcopenia diagnosed using dual‐energy X‐ray absorptiometry (DEXA) and that predicted by prediction equations in older patients with heart failure (HF). read more here.

Keywords: heart; dual energy; using dual; energy ray ... 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 & get
recommendations!
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

Diagnostic Value of Dual‐Energy CT Iodine Mapping in Differentiating Malignant and Benign Cervical Lymphadenopathies

Sign Up to like & get
recommendations!
Published in 2025 at "Journal of Clinical Ultrasound"

DOI: 10.1002/jcu.24014

Abstract: To evaluate the diagnostic accuracy of Dual‐Energy Computed Tomography (DECT) in distinguishing malignant from benign cervical lymph nodes in neck carcinoma based on iodine concentration and normalized spectral attenuation (Hounsfield Unit, HU) values. read more here.

Keywords: benign cervical; diagnostic value; value dual; dual energy ... See more keywords

Technical Note: Insertion of digital lesions in the projection domain for dual‐source, dual‐energy CT

Sign Up to like & get
recommendations!
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 & get
recommendations!
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 & get
recommendations!
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

Image‐domain material decomposition for dual‐energy CT using unsupervised learning with data‐fidelity loss

Sign Up to like & get
recommendations!
Published in 2024 at "Medical Physics"

DOI: 10.1002/mp.17255

Abstract: Dual‐energy computed tomography (DECT) and material decomposition play vital roles in quantitative medical imaging. However, the decomposition process may suffer from significant noise amplification, leading to severely degraded image signal‐to‐noise ratios (SNRs). While existing iterative… read more here.

Keywords: image; material decomposition; dual energy; image domain ... See more keywords