Radiation dose reduction in perfusion CT imaging of the brain: A review of the literature
Perfusion CT (PCT) of the brain is widely used in the settings of acute ischemic stroke and
vasospasm monitoring. The high radiation dose associated with PCT is a central topic and …
vasospasm monitoring. The high radiation dose associated with PCT is a central topic and …
Convolutional neural network-based robust denoising of low-dose computed tomography perfusion maps
VS Kadimesetty, S Gutta, S Ganapathy… - … on Radiation and …, 2018 - ieeexplore.ieee.org
The low-dose computed tomography (CT) perfusion data has low signal-to-noise ratio
resulting in derived perfusion maps being noisy. These low-quality maps typically requires a …
resulting in derived perfusion maps being noisy. These low-quality maps typically requires a …
Basis and current state of computed tomography perfusion imaging: a review
D Zeng, C Zeng, Z Zeng, S Li, Z Deng… - Physics in Medicine …, 2022 - iopscience.iop.org
Computed tomography perfusion (CTP) is a functional imaging that allows for providing
capillary-level hemodynamics information of the desired tissue in clinics. In this paper, we …
capillary-level hemodynamics information of the desired tissue in clinics. In this paper, we …
An efficient iterative cerebral perfusion CT reconstruction via low-rank tensor decomposition with spatial–temporal total variation regularization
Cerebrovascular diseases, ie, acute stroke, are a common cause of serious long-term
disability. Cerebral perfusion computed tomography (CPCT) can provide rapid, high …
disability. Cerebral perfusion computed tomography (CPCT) can provide rapid, high …
Robust low-dose CT perfusion deconvolution via tensor total-variation regularization
Acute brain diseases such as acute strokes and transit ischemic attacks are the leading
causes of mortality and morbidity worldwide, responsible for 9% of total death every …
causes of mortality and morbidity worldwide, responsible for 9% of total death every …
[HTML][HTML] STIR-Net: Deep Spatial-Temporal Image Restoration Net for Radiation Reduction in CT Perfusion
Computed Tomography Perfusion (CTP) imaging is a cost-effective and fast approach to
provide diagnostic images for acute stroke treatment. Its cine scanning mode allows the …
provide diagnostic images for acute stroke treatment. Its cine scanning mode allows the …
[HTML][HTML] Decision criteria for large vessel occlusion using transcranial Doppler waveform morphology
Background: The current lack of effective tools for prehospital identification of Large Vessel
Occlusion (LVO) represents a significant barrier to efficient triage of stroke patients and …
Occlusion (LVO) represents a significant barrier to efficient triage of stroke patients and …
[HTML][HTML] Impact of Noise Level on the Accuracy of Automated Measurement of CT Number Linearity on ACR CT and Computational Phantoms
Background: Methods for segmentation, ie, Full-segmentation (FS) and Segmentation-
rotation (SR), are proposed for maintaining Computed Tomography (CT) number linearity …
rotation (SR), are proposed for maintaining Computed Tomography (CT) number linearity …
Improvement of image quality and radiation dose of CT perfusion of the brain by means of low-tube voltage (70 KV)
Z Li, H Li, K Zhang, W Li, X Chen, B Wu, B Song - European radiology, 2014 - Springer
Objectives To investigate the feasibility of 70 kV cerebral CT perfusion by comparing image
quality and radiation exposure to 80 kV. Methods Thirty patients with suspected cerebral …
quality and radiation exposure to 80 kV. Methods Thirty patients with suspected cerebral …
Effects of radiation dose reduction in Volume Perfusion CT imaging of acute ischemic stroke
Purpose To examine the influence of radiation dose reduction on image quality and
sensitivity of Volume Perfusion CT (VPCT) maps regarding the detection of ischemic brain …
sensitivity of Volume Perfusion CT (VPCT) maps regarding the detection of ischemic brain …