Quantification of spinal bone marrow fat fraction using three-material decomposition technique on dual-energy CT: A phantom study.
Sign Up to like & getrecommendations! Published in 2023 at "Medical physics"
DOI: 10.1002/mp.16442
Abstract: BACKGROUND Two-material decomposition is insufficient to quantify the fat fraction of spinal bone marrow, which is comprised of a mixture of bone minerals, water, and yellow marrow (fat). PURPOSE To develop an accurate three-material decomposition-based… read more here.
Keywords: bone marrow; bone; marrow; material decomposition ... See more keywords
Evaluation of material decomposition for pulmonary function test in spectral computed tomography: A Monte Carlo simulation study
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.08.093
Abstract: Abstract Due to various factors, the number of chronic obstructive pulmonary disease (COPD) patients continues to grow. In addition, the mortality from COPD is increasing because of the difficult in the early detection of COPD.… read more here.
Keywords: pulmonary function; decomposition; material decomposition; test ... See more keywords
Dynamic-dual-energy spectral CT for improving multi-material decomposition in image-domain.
Sign Up to like & getrecommendations! Published in 2019 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab196d
Abstract: Dual-energy CT, as well as spectral CT, has a great potential in material decomposition. However, dual-energy CT is difficult to apply to multi-material decomposition because the number of energy bins is limited to two. Current… read more here.
Keywords: dynamic dual; energy; dual energy; multi material ... See more keywords
Multi-step material decomposition for spectral computed tomography.
Sign Up to like & getrecommendations! Published in 2019 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab2b0e
Abstract: Spectral images from photon counting spectral detectors are being explored for material decomposition applications such as for obtaining quantitative maps of tissue types and contrast agents. While these detectors allow acquisition of multi-energy data in… read more here.
Keywords: step material; multi step; step; decomposition spectral ... See more keywords
Image domain multi-material decomposition using single energy CT.
Sign Up to like & getrecommendations! Published in 2020 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab7503
Abstract: Multi-material decomposition (MMD) technique decomposes the CT images into basis material images and has been promising in clinical practice for material composition quantification within the human body. MMD could be implemented using the image data… read more here.
Keywords: image; energy; method; multi material ... See more keywords
Spectral CT Image-Domain Material Decomposition via Sparsity Residual Prior and Dictionary Learning
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3221120
Abstract: The spectral computed tomography (CT) system based on a photon-counting detector (PCD) can quantitatively analyze the material composition of the inspected object by material decomposition. Nonetheless, the raw projection of spectral CT is frequently disturbed… read more here.
Keywords: image domain; domain material; decomposition; material decomposition ... See more keywords
Spectral Angiography Material Decomposition Using an Empirical Forward Model and a Dictionary-Based Regularization
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Medical Imaging"
DOI: 10.1109/tmi.2018.2840841
Abstract: By resolving the energy of the incident X-ray photons, spectral X-ray imaging with photon counting detectors offers additional material-specific information compared to conventional X-ray imaging. This additional information can be used to improve clinical diagnosis… read more here.
Keywords: decomposition; angiography; model; dictionary based ... See more keywords
PMS-GAN: Parallel Multi-Stream Generative Adversarial Network for Multi-Material Decomposition in Spectral Computed Tomography
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Medical Imaging"
DOI: 10.1109/tmi.2020.3031617
Abstract: Spectral computed tomography is able to provide quantitative information on the scanned object and enables material decomposition. Traditional projection-based material decomposition methods suffer from the nonlinearity of the imaging system, which limits the decomposition accuracy.… read more here.
Keywords: adversarial network; spectral computed; decomposition; material decomposition ... See more keywords
Design Optimization of Spatial-Spectral Filters for Cone-Beam CT Material Decomposition
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Medical Imaging"
DOI: 10.1109/tmi.2022.3164568
Abstract: Spectral CT has shown promise for high-sensitivity quantitative imaging and material decomposition. This work presents a new device called a spatial-spectral filter (SSF) which consists of a tiled array of filter materials positioned near the… read more here.
Keywords: material decomposition; spatial spectral; design optimization; material ... See more keywords
Measuring Identification and Quantification Errors in Spectral CT Material Decomposition
Sign Up to like & getrecommendations! Published in 2018 at "Applied Sciences"
DOI: 10.3390/app8030467
Abstract: Material decomposition methods are used to identify and quantify multiple tissue components in spectral CT but there is no published method to quantify the misidentification of materials. This paper describes a new method for assessing… read more here.
Keywords: gadolinium; decomposition; material decomposition; identification quantification ... See more keywords