Feasibility study of three-material decomposition in dual-energy cone-beam CT imaging with deep learning

J Zhu, T Su, X Zhang, J Yang, D Mi… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. In this work, a dedicated end-to-end deep convolutional neural network, named
as Triple-CBCT, is proposed to demonstrate the feasibility of reconstructing three different …

Spectral CT image-domain material decomposition via sparsity residual prior and dictionary learning

T Zhang, H Yu, Y Xi, S Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
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 …

Advancing Low-Rank and Local Low-Rank Matrix Approximation in Medical Imaging: A Systematic Literature Review and Future Directions

S Hamlomo, M Atemkeng, Y Brima… - arXiv preprint arXiv …, 2024 - arxiv.org
The large volume and complexity of medical imaging datasets are bottlenecks for storage,
transmission, and processing. To tackle these challenges, the application of low-rank matrix …

Multi-step material decomposition for spectral computed tomography

NR Fredette, A Kavuri, M Das - Physics in Medicine & Biology, 2019 - iopscience.iop.org
Spectral images from photon counting detectors are being explored for material
decomposition applications such as for obtaining quantitative maps of tissue types and …

Image formation in spectral computed tomography

S Rit, C Mory, PB Noël - Spectral, Photon Counting Computed …, 2020 - taylorfrancis.com
Spectral Computed Tomography (CT) aims at measuring the energy-resolved three-
dimensional (3D) distribution of the x-ray attenuation coefficients of a scanned object. It is …

Fast and effective single‐scan dual‐energy cone‐beam CT reconstruction and decomposition denoising based on dual‐energy vectorization

X Jiang, C Fang, P Hu, H Cui, L Zhu, Y Yang - Medical physics, 2021 - Wiley Online Library
Purpose Flat‐panel detector (FPD) based dual‐energy cone‐beam computed tomography
(DE‐CBCT) is a promising imaging technique for dedicated clinical applications. In this …

Model-based three-material decomposition in dual-energy CT using the volume conservation constraint

SZ Liu, M Tivnan, GM Osgood… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. We develop a model-based optimization algorithm for'one-step'dual-energy (DE)
CT decomposition of three materials directly from projection measurements. Approach …

Multi-material decomposition for single energy CT using material sparsity constraint

Y Xue, W Qin, C Luo, P Yang, Y Jiang… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Multi-material decomposition (MMD) decomposes CT images into basis material images,
and is a promising technique in clinical diagnostic CT to identify material compositions …

IMD-MTFC: Image-domain material decomposition via material-image tensor factorization and clustering for spectral CT

S Wang, A Cai, W Wu, T Zhang, F Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Spectral computed tomography (CT) provides multispectral X-ray information that can be
used for quantitative material-specific imaging compared to the conventional CT. However …

Noise suppression in image-domain multi-material decomposition for dual-energy CT

Y Jiang, Y Xue, Q Lyu, L Xu, C Luo… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Objective: Dual-energy CT (DECT) strengthens the material characterization and
quantification due to its capability of material discrimination. The image-domain multi …