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 …

Tensor-based dictionary learning for spectral CT reconstruction

Y Zhang, X Mou, G Wang, H Yu - IEEE transactions on medical …, 2016 - ieeexplore.ieee.org
Spectral computed tomography (CT) produces an energy-discriminative attenuation map of
an object, extending a conventional image volume with a spectral dimension. In spectral CT …

Spectral CT reconstruction with image sparsity and spectral mean

Y Zhang, Y **, Q Yang, W Cong… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Photon-counting detectors can acquire x-ray intensity data in different energy bins. The
signal-to-noise ratio of resultant raw data in each energy bin is generally low due to the …

Non-local low-rank cube-based tensor factorization for spectral CT reconstruction

W Wu, F Liu, Y Zhang, Q Wang… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Spectral computed tomography (CT) reconstructs material-dependent attenuation images
from the projections of multiple narrow energy windows, which is meaningful for material …

Iterative material decomposition for spectral CT using self-supervised Noise2Noise prior

W Fang, D Wu, K Kim, MK Kalra… - Physics in medicine & …, 2021 - iopscience.iop.org
Compared to conventional computed tomography (CT), spectral CT can provide the
capability of material decomposition, which can be used in many clinical diagnosis …

Spectral CT reconstruction—ASSIST: Aided by self-similarity in image-spectral tensors

W **a, W Wu, S Niu, F Liu, J Zhou, H Yu… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Spectral computed tomography (CT) reconstructs multienergy images from data in different
energy bins. However, these reconstructed images can be contaminated by noise due to the …

A dynamic material discrimination algorithm for dual MV energy X-ray digital radiography

L Li, R Li, S Zhang, T Zhao, Z Chen - Applied Radiation and Isotopes, 2016 - Elsevier
Dual-energy X-ray radiography has become a well-established technique in medical,
industrial, and security applications, because of its material or tissue discrimination …

FONT-SIR: Fourth-order nonlocal tensor decomposition model for spectral CT image reconstruction

X Chen, W **a, Y Liu, H Chen, J Zhou… - … on Medical Imaging, 2022 - ieeexplore.ieee.org
Spectral computed tomography (CT) reconstructs images from different spectral data
through photon counting detectors (PCDs). However, due to the limited number of photons …

Robust multimaterial decomposition of spectral CT using convolutional neural networks

Z Chen, L Li - Optical Engineering, 2019 - spiedigitallibrary.org
Spectral computed tomography (CT) can reconstruct scanned objects at different energy-
bins and thus solve the multimaterial decomposition (MMD) problem. Because the linear …

Image‐domain multimaterial decomposition for dual‐energy CT based on prior information of material images

Q Ding, T Niu, X Zhang, Y Long - Medical physics, 2018 - Wiley Online Library
Purpose Dual‐Energy Computed Tomography (DECT) is of great interest in medical
imaging, security inspection, and nondestructive testing. Most DECT reconstruction methods …