Results 1 to 10 of about 64,668 (161)

Hybrid spectral CT reconstruction. [PDF]

open access: yesPLoS ONE, 2017
Current photon counting x-ray detector (PCD) technology faces limitations associated with spectral fidelity and photon starvation. One strategy for addressing these limitations is to supplement PCD data with high-resolution, low-noise data acquired with ...
Darin P Clark, Cristian T Badea
doaj   +4 more sources

Spectral CT: Current Liver Applications

open access: yesDiagnostics, 2023
Using two different energy levels, dual-energy computed tomography (DECT) allows for material differentiation, improves image quality and iodine conspicuity, and allows researchers the opportunity to determine iodine contrast and radiation dose reduction.
Ana P. Borges   +2 more
doaj   +4 more sources

Spectral detector CT for cardiovascular applications [PDF]

open access: yesDiagnostic and Interventional Radiology, 2017
Spectral detector computed tomography (SDCT) is a novel technology that uses two layers of detectors to simultaneously collect low and high energy data.
Prabhakar Rajiah   +2 more
doaj   +3 more sources

Spectral CT imaging in colorectal cancer: current applications, limitations, and future perspectives [PDF]

open access: yesInsights into Imaging
Colorectal cancer (CRC) is the third most common malignancy worldwide, and early detection is vital to prevent metastasis and postoperative recurrence. This review summarizes current applications of spectral computed tomography (CT) in CRC, including its
Rémi Grange   +6 more
doaj   +2 more sources

A spectral CT-derived metrics-based radiomics model in differentiating de novo osteoblastic bone metastasis and bone islands in newly diagnosed cancer patients [PDF]

open access: yesFrontiers in Oncology
PurposeTo investigate the value of radiomics features extracted from plain and enhanced spectral CT-derived metrics in differentiating osteoblastic bone metastasis (OBM) and bone island (BI) in newly diagnosed cancer patients.MethodsFrom January to ...
Qian Yang   +7 more
doaj   +2 more sources

The accuracy of spectral CT with quantitative parameters in differentiating septic from aseptic periprosthetic complications [PDF]

open access: yesInsights into Imaging
Objectives To explore the accuracy of spectral CT, using quantitative parameters, in differentiating septic from aseptic periprosthetic complications.
Zhangyan Xu   +8 more
doaj   +2 more sources

Spectral CT in practice: insights from an International Atomic Energy Agency survey [PDF]

open access: yesInsights into Imaging
Introduction Spectral CT is an advanced imaging technique that distinguishes X-ray energies at the detector level to provide energy-resolved images for enhanced tissue characterization and quantitative capabilities.
Virginia Tsapaki   +7 more
doaj   +2 more sources

Comparison of Image Quality According To Application of CT Algorithms for Acquisition of Clinical Information: A Phantom Study [PDF]

open access: yesIranian Journal of Medical Physics, 2023
Introduction: While various algorithms are applied in acquiring diagnostic information during computed tomography, such algorithms may affect image quality.
gui chul Lee, Dongkyoon Han, Joowan Hong
doaj   +1 more source

Predicting EGFR gene mutation in lung adenocarcinoma using spectral CT combined with AI parameters: a diagnostic accuracy study [PDF]

open access: yesFrontiers in Oncology
PurposeEpidermal growth factor receptor(EGFR) mutation is one of the most critical biomarkers in non-small cell lung cancer (NSCLC), holding significant clinical implications for guiding targeted therapy selection and prognostic assessment in patients ...
Lilan She   +5 more
doaj   +2 more sources

Research on Image Analysis Method of Spectral CT Based on Principal Component Analysis

open access: yesCT Lilun yu yingyong yanjiu, 2022
Spectral computed tomography (CT) based on photon counting detector can simultaneously collect projection data of multiple spectral channels and obtain absorption characteristics of material within corresponding energy ranges, so it can be effectively ...
Yunxia DI, Huihua KONG, Xiaowei NIU
doaj   +1 more source

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