Spectral Computed Tomography Based on Semi-Monochromatic Imaging

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F26%3A0201337" target="_blank" >RIV/00216305:26210/26:0201337 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.ndt.net/search/docs.php3?id=32594" target="_blank" >https://www.ndt.net/search/docs.php3?id=32594</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.58286/32594" target="_blank" >10.58286/32594</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Spectral Computed Tomography Based on Semi-Monochromatic Imaging

Popis výsledku v původním jazyce

Spectral computed tomography (CT) advances conventional CT by enabling material-specific imaging. This technique leverages the energy dependence of X-ray attenuation. However, the polychromatic spectra typical for laboratory and industrial CT limit the sensitivity of spectral CT methods. In this work, band-pass filtering of X-ray energies in a laboratory CT scanner is explored for the purpose of increasing spectral sensitivity. In the Rigaku nano3DX, X-ray generation is tuned to maximize the fraction of characteristic X-rays in the overall energy spectrum. This fraction is further enhanced by strategic filtering and processing of CT datasets to produce semi-monochromatic images centered on characteristic emission lines relevant to the analysis. Reconstructed CTdata can then be interpreted as linear attenuation coefficients for the given emission line in the scanned volume, with potential for further spectral and spectroscopic applications in a laboratory setting, particularly for low-Z materials.

Název v anglickém jazyce

Spectral Computed Tomography Based on Semi-Monochromatic Imaging

Popis výsledku anglicky

Spectral computed tomography (CT) advances conventional CT by enabling material-specific imaging. This technique leverages the energy dependence of X-ray attenuation. However, the polychromatic spectra typical for laboratory and industrial CT limit the sensitivity of spectral CT methods. In this work, band-pass filtering of X-ray energies in a laboratory CT scanner is explored for the purpose of increasing spectral sensitivity. In the Rigaku nano3DX, X-ray generation is tuned to maximize the fraction of characteristic X-rays in the overall energy spectrum. This fraction is further enhanced by strategic filtering and processing of CT datasets to produce semi-monochromatic images centered on characteristic emission lines relevant to the analysis. Reconstructed CTdata can then be interpreted as linear attenuation coefficients for the given emission line in the scanned volume, with potential for further spectral and spectroscopic applications in a laboratory setting, particularly for low-Z materials.

Druh

J_ost - Ostatní články v recenzovaných periodicích

CEP obor

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OECD FORD obor

21100 - Other engineering and technologies

Projekt

<a href="/cs/project/TQ15000217" target="_blank" >TQ15000217: Virtuální dekompozice materiálů s pomocí duálně-targetové rentgenové výpočetní tomografie</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2026

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

E-Journal of nondestructive testing

ISSN

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e-ISSN

1435-4934

Svazek periodika

31

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

9

Strana od-do

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Kód UT WoS článku

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EID výsledku v databázi Scopus

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