Simulation Model for Evaluation of Nonmonoenergeticity and Scattering Artifacts in Computer Tomography

A simulation model is proposed for evaluating nonmonoergeticity and scattering artifacts in computed tomography in parallel beam geometry using the example of inhomogeneous objects with axial symmetry. The modeling algorithm consists of a block for generating projections and a block for reconstructi...

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Bibliographic Details
Published inRussian journal of nondestructive testing Vol. 57; no. 7; pp. 579 - 594
Main Authors Osipov, S. P., Mirzoev, Kh. D., Chakhlov, S. V., Osipov, O. S., Usachev, E. Yu
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.07.2021
Springer Nature B.V
Subjects
Algorithms
Attenuation coefficients
Characterization and Evaluation of Materials
Chemistry and Materials Science
Computed tomography
Image reconstruction
Materials Science
Multilayers
Radiation Methods
Scattering
Structural Materials
X-ray radiation
nonmonoenergeticity artifact
scattering artifact
X-ray computed tomography
simulation
linear attenuation coefficient
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Summary:A simulation model is proposed for evaluating nonmonoergeticity and scattering artifacts in computed tomography in parallel beam geometry using the example of inhomogeneous objects with axial symmetry. The modeling algorithm consists of a block for generating projections and a block for reconstructing images of sections of an object based on the inverse Abel transform. The developed algorithm is implemented as a MathCad program. The efficiency of the algorithm and software is demonstrated by the example of a multilayer sphere. The closeness of the model and experimental estimates of the radial distributions of the linear radiation attenuation coefficient is proved.
ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830921070111