Self-supervised dynamic CT perfusion image denoising with deep neural networks

D Wu, H Ren, Q Li - IEEE Transactions on Radiation and …, 2020 - ieeexplore.ieee.org
Dynamic computed tomography perfusion (CTP) imaging is a promising approach for acute
ischemic stroke diagnosis and evaluation. Hemodynamic parametric maps of cerebral …

An efficient iterative cerebral perfusion CT reconstruction via low-rank tensor decomposition with spatial–temporal total variation regularization

S Li, D Zeng, J Peng, Z Bian, H Zhang… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Cerebrovascular diseases, ie, acute stroke, are a common cause of serious long-term
disability. Cerebral perfusion computed tomography (CPCT) can provide rapid, high …

Value of Immediate Flat Panel Perfusion Imaging after Endovascular Therapy (AFTERMATH): a Proof of Concept Study

A Mujanovic, CC Kurmann, M Manhart… - American Journal …, 2024 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Potential utility of flat panel CT perfusion imaging (FPCT-
PI) performed immediately after mechanical thrombectomy (MT) is unknown. We aimed to …

Low-dose cerebral perfusion computed tomography image restoration via low-rank and total variation regularizations

S Niu, S Zhang, J Huang, Z Bian, W Chen, G Yu… - Neurocomputing, 2016 - Elsevier
Cerebral perfusion X-ray computed tomography (PCT) is an important functional imaging
modality for evaluating cerebrovascular diseases and has been widely used in clinics over …

Low-dose dynamic cerebral perfusion computed tomography reconstruction via Kronecker-basis-representation tensor sparsity regularization

D Zeng, Q Xie, W Cao, J Lin, H Zhang… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
Dynamic cerebral perfusion computed tomography (DCPCT) has the ability to evaluate the
hemodynamic information throughout the brain. However, due to multiple 3-D image volume …

Iterative reconstruction for low-dose cerebral perfusion computed tomography using prior image induced diffusion tensor

S Niu, H Liu, M Zhang, M Wang… - Physics in Medicine & …, 2021 - iopscience.iop.org
Cerebral perfusion computed tomography (CPCT) can depict the functional status of
cerebral circulation at the tissue level; hence, it has been increasingly used to diagnose …

Radiation dose reduction in cerebral CT perfusion imaging using iterative reconstruction

JM Niesten, IC van der Schaaf, AJ Riordan… - European …, 2014 - Springer
Objectives To investigate whether iterative reconstruction (IR) in cerebral CT perfusion
(CTP) allows for 50% dose reduction while maintaining image quality (IQ). Methods A total of …

Reconstruction of scalar and vectorial components in X-ray dark-field tomography

FL Bayer, S Hu, A Maier, T Weber… - Proceedings of the …, 2014 - National Acad Sciences
Grating-based X-ray dark-field imaging is a novel technique for obtaining image contrast for
object structures at size scales below setup resolution. Such an approach appears …

Cerebral perfusion computed tomography deconvolution via structure tensor total variation regularization

D Zeng, X Zhang, Z Bian, J Huang, H Zhang… - Medical …, 2016 - Wiley Online Library
Purpose: Cerebral perfusion computed tomography (PCT) imaging as an accurate and fast
acute ischemic stroke examination has been widely used in clinic. Meanwhile, a major …

Liver segmentation using Turbolift learning for CT and cone-beam C-arm perfusion imaging

H Haseljić, S Chatterjee, R Frysch, V Kulvait… - Computers in biology …, 2023 - Elsevier
Abstract Model-based reconstruction employing the time separation technique (TST) was
found to improve dynamic perfusion imaging of the liver using C-arm cone-beam computed …