Assessment of candidate elements for development of spectral photon-counting CT specific contrast agents

J Kim, D Bar-Ness, S Si-Mohamed, P Coulon, I Blevis… - Scientific reports, 2018 - nature.com
Spectral photon-counting computed tomography (SPCCT) is a rapidly emerging imaging
modality that provides energy-dependent information on individual x-ray photons, leading to …

Comparison of five one-step reconstruction algorithms for spectral CT

C Mory, B Sixou, S Si-Mohamed… - Physics in Medicine & …, 2018 - iopscience.iop.org
Over the last decade, dual-energy CT scanners have gone from prototypes to clinically
available machines, and spectral photon counting CT scanners are following. They require a …

Material decomposition with prior knowledge aware iterative denoising (MD-PKAID)

S Tao, K Rajendran, CH McCollough… - Physics in Medicine & …, 2018 - iopscience.iop.org
Dual-or multi-energy CT, also known as spectral CT, obtains x-ray attenuation
measurements at two or more energy spectra, allowing quantification of materials with …

Image decomposition algorithm for dual‐energy computed tomography via fully convolutional network

Y Xu, B Yan, J Zhang, J Chen, L Zeng… - … methods in medicine, 2018 - Wiley Online Library
Background. Dual‐energy computed tomography (DECT) has been widely used due to
improved substances identification from additional spectral information. The quality of …

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 …

A unified material decomposition framework for quantitative dual‐and triple‐energy CT imaging

W Zhao, D Vernekohl, F Han, B Han, H Peng… - Medical …, 2018 - Wiley Online Library
Purpose Many clinical applications depend critically on the accurate differentiation and
classification of different types of materials in patient anatomy. This work introduces a unified …

Single-scan dual-energy CT using primary modulation

M Petrongolo, L Zhu - IEEE transactions on medical imaging, 2018 - ieeexplore.ieee.org
Compared with conventional computed tomography (CT), dual-energy CT (DECT) provides
better material differentiation but requires projection data acquired with two different effective …

Accurate iterative FBP reconstruction method for material decomposition of dual energy CT

M Li, Y Zhao, P Zhang - IEEE transactions on medical imaging, 2018 - ieeexplore.ieee.org
Compared with traditional CT, dual energy CT (DECT) has the capability to improve material
differentiation and reduce beam hardening artifacts, and thus has wide prospects of …

Iterative reconstruction for photon-counting CT using prior image constrained total generalized variation

S Niu, Y Zhang, Y Zhong, G Liu, S Lu, X Zhang… - Computers in biology …, 2018 - Elsevier
In this paper, we present an iterative reconstruction for photon-counting CT using prior
image constrained total generalized variation (PICTGV). This work aims to exploit structural …

Adaptive nonlocal means method for denoising basis material images from dual-energy computed tomography

Y Yuan, Y Zhang, H Yu - Journal of computer assisted tomography, 2018 - journals.lww.com
We propose an adaptive nonlocal means approach for image-domain material
decomposition in low-dose dual-energy micro–computed tomography. The key idea is to …