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 …

DIRECT‐Net: A unified mutual‐domain material decomposition network for quantitative dual‐energy CT imaging

T Su, X Sun, J Yang, D Mi, Y Zhang, H Wu… - Medical …, 2022 - Wiley Online Library
Purpose The purpose of this paper is to present an end‐to‐end deep convolutional neural
network to improve the dual‐energy CT (DECT) material decomposition performance …

Deep learning‐based virtual noncalcium imaging in multiple myeloma using dual‐energy CT

H Gong, FI Baffour, KN Glazebrook… - Medical …, 2022 - Wiley Online Library
Background Dual‐energy CT with virtual noncalcium (VNCa) images allows the evaluation
of focal intramedullary bone marrow involvement in patients with multiple myeloma …

Learning-based synthetic dual energy CT imaging from single energy CT for stopping power ratio calculation in proton radiation therapy

S Charyyev, T Wang, Y Lei, B Ghavidel… - The British Journal of …, 2022 - academic.oup.com
Objective: Dual energy CT (DECT) has been shown to estimate stopping power ratio (SPR)
map with a higher accuracy than conventional single energy CT (SECT) by obtaining the …

[HTML][HTML] One half-scan dual-energy CT imaging using the Dual-domain Dual-way Estimated Network (DoDa-Net) model

Y Wang, A Cai, N Liang, X Yu, X Zhong… - Quantitative Imaging in …, 2022 - ncbi.nlm.nih.gov
Background Compared with single-energy computed tomography (CT), dual-energy CT
(DECT) can distinguish materials better. However, most DECT reconstruction theories …

Single Scan Dual-energy Cone-beam CT Using Static Detector Modulation: A Phantom Study

J Peng - arXiv preprint arXiv:2205.11188, 2022 - arxiv.org
Cone-beam CT (CBCT) is installed in the treatment room to facilitate online clinical
applications, including image guidance in radiation and surgery. Half-fan and short-can are …

Small animal photon counting cone-beam CT on a preclinical radiation research platform to improve radiation dose calculation accuracy

X Hu, Y Zhong, Y Lai, C Shen, K Yang… - Physics in Medicine & …, 2022 - iopscience.iop.org
Objective. Cone beam CT (CBCT) in preclinical small animal irradiation platforms provides
essential information for image guidance and radiation dose calculation for experiment …

A generalized simultaneous algebraic reconstruction technique (GSART) for dual-energy X-ray computed tomography

D Lee, S Yun, J Soh, S Lim, H Kim… - Journal of X-Ray …, 2022 - content.iospress.com
BACKGROUND: Dual-energy computed tomography (DECT) is a widely used and actively
researched imaging modality that can estimate the physical properties of an object more …

From spectral decomposition through SVD to quantitative description of monochromatic CT images: a phantom study

S Vrbaski, R Longo, A Contillo - Medical Imaging 2022 …, 2022 - spiedigitallibrary.org
In this work, we applied the singular value decomposition (SVD) method to a set of
monochromatic images to extract the dominant physical contributions to image formation …