Systematic review on learning-based spectral CT

A Bousse, VSS Kandarpa, S Rit… - … on Radiation and …, 2023 - ieeexplore.ieee.org
Spectral computed tomography (CT) has recently emerged as an advanced version of
medical CT and significantly improves conventional (single-energy) CT. Spectral CT has two …

Material decomposition of spectral CT images via attention-based global convolutional generative adversarial network

X Guo, P He, X Lv, X Ren, Y Li, Y Liu, X Lei… - Nuclear Science and …, 2023 - Springer
Spectral computed tomography (CT) based on photon counting detectors can resolve the
energy of every single photon interacting with the sensor layer and be used to analyze …

Characterization of breast tissues in density and effective atomic number basis via spectral X-ray computed tomography

S Vrbaški, LMA Peña, L Brombal… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. Differentiation of breast tissues is challenging in X-ray imaging because tissues
might share similar or even the same linear attenuation coefficients μ. Spectral computed …

A generalizable new figure of merit for dose optimization in dual energy cone beam CT scanning protocols

C Li, L Zhou, J Deng, H Wu, R Wang… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. This study proposes and evaluates a new figure of merit (FOMn) for dose
optimization of Dual-energy cone-beam CT (DE-CBCT) scanning protocols based on size …

Exploring dual-energy CT spectral information for machine learning-driven lesion diagnosis in pre-log domain

S Chang, Y Gao, MJ Pomeroy, T Bai… - IEEE transactions on …, 2023 - ieeexplore.ieee.org
In this study, we proposed a computer-aided diagnosis (CADx) framework under dual-
energy spectral CT (DECT), which operates directly on the transmission data in the pre-log …

An improved iterative neural network for high‐quality image‐domain material decomposition in dual‐energy CT

Z Li, Y Long, IY Chun - Medical physics, 2023 - Wiley Online Library
Purpose Dual‐energy computed tomography (DECT) has widely been used in many
applications that need material decomposition. Image‐domain methods directly decompose …

Super resolution dual-energy cone-beam CT imaging with dual-layer flat-panel detector

T Su, J Zhu, X Zhang, Y Tan, H Cui… - … on Medical Imaging, 2023 - ieeexplore.ieee.org
In flat-panel detector (FPD) based cone-beam computed tomography (CBCT) imaging, the
native receptor array is usually binned into a smaller matrix size. By doing so, the signal …

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 …

Material decomposition using dual-energy CT with unsupervised learning

HY Chang, CK Liu, HM Huang - Physical and Engineering Sciences in …, 2023 - Springer
Material decomposition (MD) is an application of dual-energy computed tomography (DECT)
that decomposes DECT images into specific material images. However, the direct inversion …

Fast iterative reconstruction for multi-spectral ct by a schmidt orthogonal modification algorithm (soma)

H Pan, S Zhao, W Zhang, H Zhang, X Zhao - Inverse Problems, 2023 - iopscience.iop.org
Multi-spectral CT (MSCT) is increasingly used in industrial non-destructive testing and
medical diagnosis because of its outstanding performance like material distinguishability …