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 …

Spectral prior image constrained compressed sensing (spectral PICCS) for photon-counting computed tomography

Z Yu, S Leng, Z Li, CH McCollough - Physics in Medicine & …, 2016 - iopscience.iop.org
Photon-counting computed tomography (PCCT) is an emerging imaging technique that
enables multi-energy imaging with only a single scan acquisition. To enable multi-energy …

Learned Tensor Neural Network Texture Prior for Photon-Counting CT Reconstruction

Y Shi, Y Gao, Q Xu, Y Li, C Zhang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Photon-counting computed tomography (PCCT) reconstructs multiple energy-channel
images to describe the same object, where there exists a strong correlation among different …

Ultra-high resolution photon-counting detector CT reconstruction using spectral prior image constrained compressed-sensing (UHR-SPICCS)

K Rajendran, S Tao, D Abdurakhimova… - … 2018: Physics of …, 2018 - spiedigitallibrary.org
Photon-counting detector based CT (PCD-CT) enables dose efficient high resolution
imaging, in addition to providing multi-energy information. This allows better delineation of …

Low-dose spectral CT reconstruction based on image-gradient L0-norm and adaptive spectral PICCS

S Wang, W Wu, J Feng, F Liu, H Yu - Physics in Medicine & …, 2020 - iopscience.iop.org
The photon-counting detector based spectral computed tomography (CT) is promising for
lesion detection, tissue characterization, and material decomposition. However, the lower …

Statistical iterative material image reconstruction with patch based enhanced 3DTV regularization for photon counting CT

D Li, S Li, D Zeng, Z Bian… - 15th International Meeting …, 2019 - spiedigitallibrary.org
Photon counting computed tomography (PCCT) can simultaneously acquire measurements
from multiple energies, and is able to differentiate material. However, material …

A multichannel block‐matching denoising algorithm for spectral photon‐counting CT images

AP Harrison, Z Xu, A Pourmorteza… - Medical …, 2017 - Wiley Online Library
Purpose We present a denoising algorithm designed for a whole‐body prototype photon‐
counting computed tomography (PCCT) scanner with up to 4 energy thresholds and …

Spectral CT reconstruction via low-rank representation and region-specific texture preserving Markov random field regularization

Y Shi, Y Gao, Y Zhang, J Sun, X Mou… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Photon-counting spectral computed tomography (CT) is capable of material characterization
and can improve diagnostic performance over traditional clinical CT. However, it suffers from …

[HTML][HTML] Multi-energy CT reconstruction using tensor nonlocal similarity and spatial sparsity regularization

W Zhang, N Liang, Z Wang, A Cai, L Wang… - … Imaging in Medicine …, 2020 - ncbi.nlm.nih.gov
Background Multi-energy computed tomography (MECT) based on a photon-counting
detector is an emerging imaging modality that collects projections at several energy bins …

Photon-counting CT reconstruction with a learned forward operator

E Ström, M Persson, A Eguizabal… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Photon-Counting CT is an emerging imaging technology that promises higher spatial
resolution and the possibility for material decomposition in the reconstruction. A major …