3D Spatial Resolution Evaluation for Helical CT According to ASTM E1695–95

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F20%3APU135417" target="_blank" >RIV/00216305:26620/20:PU135417 - isvavai.cz</a>
Result on the web
<a href="https://www.ndt.net/article/ctc2020/papers/ICT2020_paper_id155.pdf" target="_blank" >https://www.ndt.net/article/ctc2020/papers/ICT2020_paper_id155.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
3D Spatial Resolution Evaluation for Helical CT According to ASTM E1695–95
Original language description
Knowledge of valid spatial resolution is essential for qualitative analysis using X-ray computed tomography. Due to spatial resolution, it is possible to determine with what detectability the imaging system can measure an internal structure. Based on the spatial resolution knowledge, the smallest object size that can be distinguished in resulting images can be determined. Each component in the imaging system affects the value of spatial resolution, and the final value is defined as a product of all comprised components. In this paper, spatial resolution according to standard ASTM E1695–95 was calculated. This standard uses edge response function (ERF), point spread function (PSF) to modulation transfer function (MTF) approach for the calculation of spatial resolution in each plane. For the calculation was used a sphere phantom, which is convenient for the study of spatial resolution in all three orthogonal planes. Spatial resolution was tested on spheres from two different materials, to observe the ef
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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